{"id":11670,"date":"2026-06-10T10:35:18","date_gmt":"2026-06-10T10:35:18","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=11670"},"modified":"2026-06-12T01:53:34","modified_gmt":"2026-06-12T01:53:34","slug":"anti-corrosion-coating-for-overhead-crane","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/vi\/posts\/anti-corrosion-coating-for-overhead-crane\/","title":{"rendered":"C\u00e1ch l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 cho c\u1ea7n c\u1ea9u tr\u00ean cao: So s\u00e1nh v\u00e0 ch\u1ea5p nh\u1eadn theo ti\u00eau chu\u1ea9n ISO 12944 C3-C5-M"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1448\" height=\"1086\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/crane-anti-corrosion-coating-iso12944-guide-v2.png\" alt=\"\" class=\"wp-image-11685\"\/><\/figure>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>M\u1ee5c l\u1ee5c<\/p><nav><ul><li><a href=\"#before-choosing-a-coating-for-overhead-crane-know-what-your-crane-faces\">Tr\u01b0\u1edbc khi ch\u1ecdn l\u1edbp ph\u1ee7 cho c\u1ea7n c\u1ea9u tr\u00ean cao, h\u00e3y t\u00ecm hi\u1ec3u xem c\u1ea7n c\u1ea9u c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng g\u00ec.<\/a><\/li><li><a href=\"#surface-preparation-60-of-coating-life-hinges-on-this\">Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t \u2014 Tu\u1ed5i th\u1ecd l\u1edbp ph\u1ee7 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u n\u00e0y.<\/a><ul><li><a href=\"#how-to-choose-blast-cleaning-grade\">C\u00e1ch ch\u1ecdn c\u1ea5p \u0111\u1ed9 l\u00e0m s\u1ea1ch b\u1eb1ng phun c\u00e1t<\/a><\/li><li><a href=\"#what-is-the-optimal-roughness-depth\">\u0110\u1ed9 nh\u00e1m t\u1ed1i \u01b0u l\u00e0 bao nhi\u00eau?<\/a><\/li><\/ul><\/li><li><a href=\"#core-comparison-how-to-choose-an-iso-12944-coating-scheme-for-environments-from-c-3-to-c-5-m-for-your-overhead-crane\">So s\u00e1nh c\u1ed1t l\u00f5i: C\u00e1ch ch\u1ecdn ph\u01b0\u01a1ng \u00e1n s\u01a1n ph\u1ee7 ISO 12944 cho m\u00f4i tr\u01b0\u1eddng t\u1eeb C3 \u0111\u1ebfn C5-M cho c\u1ea7n c\u1ea9u tr\u00ean cao c\u1ee7a b\u1ea1n<\/a><ul><li><a href=\"#c-3-environment-general-industry-the-standard-for-most-indoor-overhead-cranes\">M\u00f4i tr\u01b0\u1eddng C3 (C\u00f4ng nghi\u1ec7p chung) \u2013 Ti\u00eau chu\u1ea9n cho h\u1ea7u h\u1ebft c\u00e1c c\u1ea7n c\u1ea9u tr\u00ean cao trong nh\u00e0.<\/a><\/li><li><a href=\"#c-5-environment-extreme-corrosion-chemical-offshore-tropical-coastal\">M\u00f4i tr\u01b0\u1eddng C5 (\u0102n m\u00f2n c\u1ef1c \u0111\u1ed9) \u2013 H\u00f3a ch\u1ea5t, ngo\u00e0i kh\u01a1i, ven bi\u1ec3n nhi\u1ec7t \u0111\u1edbi<\/a><\/li><\/ul><\/li><li><a href=\"#special-working-conditions-high-temperature-chemical-food\">\u0110i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c \u0111\u1eb7c bi\u1ec7t \u2014 Nhi\u1ec7t \u0111\u1ed9 cao, h\u00f3a ch\u1ea5t, th\u1ef1c ph\u1ea9m<\/a><\/li><li><a href=\"#how-to-verify-if-the-coating-is-done-well-a-five-step-acceptance-checklist-for-procurement\">C\u00e1ch ki\u1ec3m tra xem l\u1edbp ph\u1ee7 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ed1t hay ch\u01b0a: Danh s\u00e1ch ki\u1ec3m tra ch\u1ea5p nh\u1eadn g\u1ed3m 5 b\u01b0\u1edbc d\u00e0nh cho quy tr\u00ecnh mua s\u1eafm<\/a><ul><li><a href=\"#step-1-surface-preparation-inspection\">B\u01b0\u1edbc 1: Ki\u1ec3m tra chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t<\/a><\/li><li><a href=\"#step-2-climatic-condition-check\">B\u01b0\u1edbc 2: Ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu<\/a><\/li><li><a href=\"#step-3-dry-film-thickness-dft\">B\u01b0\u1edbc 3: \u0110\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT)<\/a><\/li><li><a href=\"#step-4-electric-spark-holiday-detection\">B\u01b0\u1edbc 4: Ph\u00e1t hi\u1ec7n tia l\u1eeda \u0111i\u1ec7n (Ng\u00e0y l\u1ec5)<\/a><\/li><li><a href=\"#step-5-adhesion-test\">B\u01b0\u1edbc 5: Ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh<\/a><\/li><\/ul><\/li><li><a href=\"#common-coating-defects-judge-at-a-glance\">C\u00e1c khuy\u1ebft t\u1eadt th\u01b0\u1eddng g\u1eb7p c\u1ee7a l\u1edbp ph\u1ee7 - \u0110\u00e1nh gi\u00e1 nhanh ch\u00f3ng<\/a><\/li><li><a href=\"#what-we-have-done\">Nh\u1eefng vi\u1ec7c ch\u00fang ta \u0111\u00e3 l\u00e0m<\/a><\/li><li><a href=\"#faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><ul><li><a href=\"#faq-question-1781227688667\">L\u1edbp ph\u1ee7 ti\u00eau chu\u1ea9n cho c\u1ea7n c\u1ea9u tr\u00ean cao trong nh\u00e0 l\u00e0 g\u00ec?<\/a><\/li><li><a href=\"#faq-question-1781227696856\">T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng d\u00e0y nh\u1ea5t b\u1ea5t k\u1ec3 m\u00f4i tr\u01b0\u1eddng n\u00e0o kh\u00f4ng?<\/a><\/li><li><a href=\"#faq-question-1781227706026\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o t\u1ed1t h\u01a1n, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng hay s\u01a1n ph\u1ee7?<\/a><\/li><li><a href=\"#faq-question-1781227719733\">L\u00e0m th\u1ebf n\u00e0o t\u00f4i c\u00f3 th\u1ec3 x\u00e1c minh xem h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7 do nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a ra c\u00f3 \u0111\u00e1ng tin c\u1eady hay kh\u00f4ng?<\/a><\/li><li><a href=\"#faq-question-1781227734072\">L\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb g\u1ec9 s\u00e9t trong bao nhi\u00eau n\u0103m?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn \u0111i\u1ec1u n\u00e0y qu\u00e1 nhi\u1ec1u l\u1ea7n: m\u1ed9t c\u1ea7n c\u1ea9u tr\u00ean cao, ho\u1ea1t \u0111\u1ed9ng ch\u01b0a \u0111\u1ebfn n\u0103m n\u0103m, b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n r\u1ec9 s\u00e9t d\u1ecdc theo c\u00e1c m\u1ed1i h\u00e0n d\u1ea7m ch\u00ednh, l\u1edbp ph\u1ee7 b\u1ecb ph\u1ed3ng r\u1ed9p tr\u00ean m\u1eb7t b\u00edch d\u01b0\u1edbi c\u1ee7a gi\u00e1 \u0111\u1ee1 cu\u1ed1i, v\u00e0 c\u00e1c m\u1ea3ng s\u01a1n l\u1edbn b\u1ecb bong tr\u00f3c xung quanh c\u00e1c l\u1ed7 bu l\u00f4ng. Khi nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady x\u1ea3y ra, kh\u00e1ch h\u00e0ng lu\u00f4n t\u00ecm \u0111\u1ebfn ch\u00fang t\u00f4i \u0111\u1ec3 t\u00ecm hi\u1ec3u xem \u0111i\u1ec1u g\u00ec \u0111\u00e3 x\u1ea3y ra v\u1edbi l\u1edbp ph\u1ee7 d\u00e0nh cho c\u1ea7n c\u1ea9u tr\u00ean cao.<\/p>\n\n\n\n<p>\u0110i\u1ec1u tra cho th\u1ea5y c\u1ea7n c\u1ea9u c\u00f3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p\u2014t\u1ea3i tr\u1ecdng, kh\u1ea9u \u0111\u1ed9 v\u00e0 c\u1ea5p \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c. V\u1ea5n \u0111\u1ec1 duy nh\u1ea5t l\u00e0 l\u1edbp s\u01a1n ph\u1ee7. N\u00f3 \u0111\u01b0\u1ee3c thi c\u00f4ng b\u1eb1ng lo\u1ea1i \u201cs\u01a1n c\u00f4ng nghi\u1ec7p ti\u00eau chu\u1ea9n\u201d v\u1edbi h\u1ec7 th\u1ed1ng C3 v\u00e0 t\u1ed5ng \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) l\u00e0 160\u03bcm. Nh\u01b0ng m\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t th\u1ef1c t\u1ebf l\u00e0 m\u1ed9t nh\u00e0 m\u00e1y \u0111i\u1ec7n ven bi\u1ec3n\u2014r\u00f5 r\u00e0ng l\u00e0 thu\u1ed9c h\u1ec7 th\u1ed1ng C4.<\/p>\n\n\n\n<p>M\u00e0u s\u01a1n th\u00ec kh\u00f4ng sai. V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e0u.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m gi\u00fap b\u1ea1n tr\u00e1nh \u0111i\u1ec1u \u0111\u00f3. Ch\u00fang ta s\u1ebd kh\u00f4ng b\u00e0n v\u1ec1 c\u00e1c nh\u00e3n hi\u1ec7u s\u01a1n \u2013 \u0111\u00f3 l\u00e0 nhi\u1ec7m v\u1ee5 c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Ch\u00fang ta s\u1ebd n\u00f3i v\u1ec1 c\u00e1ch x\u00e1c \u0111\u1ecbnh lo\u1ea1i s\u01a1n ph\u1ee7 b\u1ea1n c\u1ea7n v\u00e0 c\u00e1ch ki\u1ec3m tra xem \u0111\u1ec1 xu\u1ea5t c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 ch\u00ednh x\u00e1c hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"before-choosing-a-coating-for-overhead-crane-know-what-your-crane-faces\">Tr\u01b0\u1edbc khi ch\u1ecdn l\u1edbp ph\u1ee7 cho c\u1ea7n c\u1ea9u tr\u00ean cao, h\u00e3y t\u00ecm hi\u1ec3u xem c\u1ea7n c\u1ea9u c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng g\u00ec.<\/h2>\n\n\n\n<p>\u0110i\u1ec3m xu\u1ea5t ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea3n th\u00e2n l\u1edbp s\u01a1n, m\u00e0 l\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/p>\n\n\n\n<p>Ti\u00eau chu\u1ea9n ISO 12944-2 \u0111\u1ecbnh ngh\u0129a s\u00e1u c\u1ea5p \u0111\u1ed9 \u0103n m\u00f2n cho k\u1ebft c\u1ea5u th\u00e9p. \u0110\u1ed1i v\u1edbi c\u1ea7n c\u1ea9u, 90% tr\u01b0\u1eddng h\u1ee3p n\u1eb1m trong kho\u1ea3ng t\u1eeb C2 \u0111\u1ebfn C4. Theo kinh nghi\u1ec7m c\u1ee7a t\u00f4i, m\u00f4i tr\u01b0\u1eddng m\u00e0 b\u1ea1n \u0111\u00e1nh gi\u00e1 s\u01a1 b\u1ed9 l\u00e0 &quot;th\u00f4ng th\u01b0\u1eddng&quot; th\u00ec c\u00f3 kh\u1ea3 n\u0103ng cao nh\u1ea5t c\u0169ng \u1edf m\u1ee9c C3.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Lo\u1ea1i<\/th><th>M\u00f4 t\u1ea3 m\u00f4i tr\u01b0\u1eddng<\/th><th>V\u1ecb tr\u00ed \u0111i\u1ec3n h\u00ecnh<\/th><th>Ghi ch\u00fa<\/th><\/tr><\/thead><tbody><tr><td>C1<\/td><td>C\u00e1c t\u00f2a nh\u00e0 \u0111\u01b0\u1ee3c s\u01b0\u1edfi \u1ea5m v\u1edbi kh\u00f4ng kh\u00ed trong l\u00e0nh.<\/td><td>Trong nh\u00e0<\/td><td>H\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 (ph\u00f2ng th\u00ed nghi\u1ec7m, x\u01b0\u1edfng \u0111i\u1ec7n t\u1eed)<\/td><\/tr><tr><td>C2<\/td><td>Khu v\u1ef1c n\u00f4ng th\u00f4n \u00edt \u00f4 nhi\u1ec5m, \u0111\u1ed9 ng\u01b0ng t\u1ee5 nh\u1eb9.<\/td><td>Ch\u1ee7 y\u1ebfu l\u00e0 trong nh\u00e0<\/td><td>X\u01b0\u1edfng l\u1eafp r\u00e1p chung, kho kh\u00f4<\/td><\/tr><tr><td>C3<\/td><td>M\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p \u0111\u00f4 th\u1ecb, \u0111\u1ed9 \u1ea9m trung b\u00ecnh, c\u00f3 ph\u00e1t th\u1ea3i SO\u2082.<\/td><td>Trong nh\u00e0\/Ngo\u00e0i tr\u1eddi<\/td><td>H\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng c\u01a1 kh\u00ed, nh\u00e0 m\u00e1y n\u00f3i chung<\/td><\/tr><tr><td>C4<\/td><td>Khu v\u1ef1c ven bi\u1ec3n, g\u1ea7n c\u00e1c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, \u0111\u1ed9 \u1ea9m cao, h\u01a1i mu\u1ed1i.<\/td><td>Trong nh\u00e0\/Ngo\u00e0i tr\u1eddi<\/td><td>X\u01b0\u1edfng ven bi\u1ec3n, nh\u00e0 m\u00e1y \u0111i\u1ec7n, nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc, nh\u00e0 kho b\u1ebfn c\u1ea3ng.<\/td><\/tr><tr><td>C5-I<\/td><td>Ng\u01b0ng t\u1ee5 li\u00ean t\u1ee5c, ng\u00e0nh c\u00f4ng nghi\u1ec7p g\u00e2y \u00f4 nhi\u1ec5m cao<\/td><td>Ch\u1ee7 y\u1ebfu l\u00e0 trong nh\u00e0<\/td><td>N\u1ed9i th\u1ea5t nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, x\u01b0\u1edfng t\u1ea9y g\u1ec9, x\u01b0\u1edfng m\u1ea1 \u0111i\u1ec7n<\/td><\/tr><tr><td>C5-M<\/td><td>G\u1ea7n bi\u1ec3n, nhi\u1ec1u h\u01a1i mu\u1ed1i, ngo\u00e0i kh\u01a1i<\/td><td>Ngo\u00e0i tr\u1eddi<\/td><td>C\u00e1c b\u1ebfn c\u1ea3ng, gi\u00e0n khoan ngo\u00e0i kh\u01a1i, c\u1ea7n c\u1ea9u tr\u00ean boong t\u00e0u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>M\u1ed9t v\u00e0i \u0111i\u1ec3m th\u01b0\u1eddng b\u1ecb b\u1ecf qua:<\/p>\n\n\n\n<ul>\n<li><strong>&quot;L\u1eafp \u0111\u1eb7t trong nh\u00e0 = \u00edt b\u1ecb \u0103n m\u00f2n&quot; l\u00e0 m\u1ed9t quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn.<\/strong> H\u01a1i dung d\u1ecbch c\u1eaft g\u1ecdt trong c\u00e1c x\u01b0\u1edfng gia c\u00f4ng c\u01a1 kh\u00ed ch\u1ee9a l\u01b0u hu\u1ef3nh v\u00e0 clo. Trong c\u00e1c x\u01b0\u1edfng th\u00f4ng gi\u00f3 k\u00e9m, t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n tr\u00ean c\u00e1c k\u1ebft c\u1ea5u th\u00e9p c\u00f3 th\u1ec3 cao h\u01a1n so v\u1edbi ngo\u00e0i tr\u1eddi. S\u01b0\u01a1ng ki\u1ec1m trong qu\u00e1 tr\u00ecnh \u0111\u00f4ng c\u1ee9ng b\u00ea t\u00f4ng l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n th\u00e9p\u2014c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ea7u ti\u00ean b\u1ecb g\u1ec9 trong m\u1ed9t nh\u00e0 m\u00e1y m\u1edbi th\u01b0\u1eddng l\u00e0 c\u00e1c k\u1eb9p ray c\u1ea7n c\u1ea9u.<\/li>\n\n\n\n<li><strong>Kho\u1ea3ng c\u00e1ch t\u1eeb b\u1edd bi\u1ec3n \u0111\u1ebfn b\u1ec1 m\u1eb7t bi\u1ec3n \u0111\u01b0\u1ee3c coi l\u00e0 &quot;ven bi\u1ec3n&quot; l\u00e0 bao xa?<\/strong> Ti\u00eau chu\u1ea9n ISO kh\u00f4ng \u0111\u01b0a ra kho\u1ea3ng c\u00e1ch c\u1ee5 th\u1ec3. Kinh nghi\u1ec7m c\u1ee7a ch\u00fang t\u00f4i: trong ph\u1ea1m vi 5 km t\u00ednh t\u1eeb b\u1edd bi\u1ec3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf ph\u00eda \u0111\u00f3n gi\u00f3 (h\u01b0\u1edbng gi\u00f3 m\u00f9a), h\u00e3y coi \u0111\u00f3 l\u00e0 c\u1ea5p \u0111\u1ed9 C4. Gi\u00f3 m\u1eadu d\u1ecbch v\u00e0 c\u00e1c h\u1ea1t b\u1ee5i mu\u1ed1i bi\u1ec3n c\u00f3 th\u1ec3 di chuy\u1ec3n s\u00e2u h\u01a1n 10 km v\u00e0o \u0111\u1ea5t li\u1ec1n.<\/li>\n\n\n\n<li><strong>Tr\u01b0\u1edbc ti\u00ean h\u00e3y x\u00e1c \u0111\u1ecbnh lo\u1ea1i \u0103n m\u00f2n, sau \u0111\u00f3 m\u1edbi b\u00e0n v\u1ec1 c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7.<\/strong> N\u1ebfu b\u1ecf qua b\u01b0\u1edbc n\u00e0y, b\u1ea1n s\u1ebd m\u1eafc sai l\u1ea7m cho d\u00f9 sau n\u00e0y ch\u1ecdn lo\u1ea1i s\u01a1n n\u00e0o \u0111i ch\u0103ng n\u1eefa.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"surface-preparation-60-of-coating-life-hinges-on-this\">Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t \u2014 Tu\u1ed5i th\u1ecd l\u1edbp ph\u1ee7 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u n\u00e0y.<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 c\u00e2u quan tr\u1ecdng nh\u1ea5t m\u00e0 t\u00f4i mu\u1ed1n b\u1ea1n nh\u1edb t\u1eeb b\u00e0i b\u00e1o n\u00e0y: L\u1edbp ph\u1ee7 kh\u00f4ng ph\u1ea3i l\u00e0 &quot;d\u00e1n&quot; l\u00ean t\u1ea5m th\u00e9p; m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c kh\u00f3a ch\u1eb7t b\u1eb1ng l\u1ef1c neo c\u01a1 h\u1ecdc.<\/p>\n\n\n\n<p>Do \u0111\u00f3, vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t quan tr\u1ecdng h\u01a1n nhi\u1ec1u so v\u1edbi th\u01b0\u01a1ng hi\u1ec7u s\u01a1n. M\u1ed9t d\u1ef1 \u00e1n s\u1eed d\u1ee5ng s\u01a1n nh\u1eadp kh\u1ea9u cao c\u1ea5p nh\u01b0ng \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t k\u00e9m s\u1ebd c\u00f3 tu\u1ed5i th\u1ecd ch\u1ed1ng \u0103n m\u00f2n ng\u1eafn h\u01a1n so v\u1edbi d\u1ef1 \u00e1n s\u1eed d\u1ee5ng s\u01a1n epoxy th\u00f4ng th\u01b0\u1eddng trong n\u01b0\u1edbc nh\u01b0ng \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"how-to-choose-blast-cleaning-grade\">C\u00e1ch ch\u1ecdn c\u1ea5p \u0111\u1ed9 l\u00e0m s\u1ea1ch b\u1eb1ng phun c\u00e1t<\/h3>\n\n\n\n<p>Ti\u00eau chu\u1ea9n ISO 8501-1 quy \u0111\u1ecbnh b\u1ed1n c\u1ea5p \u0111\u1ed9. Ti\u00eau chu\u1ea9n c\u01a1 b\u1ea3n cho k\u1ebft c\u1ea5u th\u00e9p c\u1ea7n c\u1ea9u l\u00e0... <strong>Sa2.5\u2014L\u00e0m s\u1ea1ch b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p phun c\u00e1t kim lo\u1ea1i g\u1ea7n tr\u1eafng<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>C\u1ea5p<\/th><th>S\u1ef1 mi\u00eau t\u1ea3<\/th><th>Ch\u1ea5t l\u01b0\u1ee3ng<\/th><th>S\u1ef1 gi\u1edbi thi\u1ec7u<\/th><\/tr><\/thead><tbody><tr><td>Sa1<\/td><td>V\u1ee5 n\u1ed5 qu\u00e9t \u00e1nh s\u00e1ng<\/td><td>Ch\u1ec9 lo\u1ea1i b\u1ecf r\u1ec9 s\u00e9t bong tr\u00f3c v\u00e0 l\u1edbp s\u01a1n c\u0169.<\/td><td>\u274c Kh\u00f4ng \u00e1p d\u1ee5ng<\/td><\/tr><tr><td>Sa2<\/td><td>Qu\u1ea3ng c\u00e1o n\u1ed5<\/td><td>Lo\u1ea1i b\u1ecf h\u1ea7u h\u1ebft r\u1ec9 s\u00e9t v\u00e0 v\u1ea3y kim lo\u1ea1i; c\u1eb7n b\u1ea9n \u0111\u01b0\u1ee3c ph\u00e9p c\u00f2n s\u00f3t l\u1ea1i tr\u00ean t\u1ed1i \u0111a 1\/3 b\u1ec1 m\u1eb7t.<\/td><td>\u274c Kh\u00f4ng khuy\u1ebfn kh\u00edch<\/td><\/tr><tr><td>Sa2.5<\/td><td>V\u1ee5 n\u1ed5 g\u1ea7n nh\u01b0 tr\u1eafng<\/td><td>\u226595% b\u1ec1 m\u1eb7t cho th\u1ea5y kim lo\u1ea1i tr\u1ea7n; ch\u1ec9 c\u00f2n l\u1ea1i nh\u1eefng v\u1ebft m\u1edd nh\u1eb9.<\/td><td>\u2705 Ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u cho c\u1ea7n c\u1ea9u<\/td><\/tr><tr><td>Sa3<\/td><td>V\u1ee5 n\u1ed5 kim lo\u1ea1i tr\u1eafng<\/td><td>100% kim lo\u1ea1i tr\u1ea7n, b\u1ec1 ngo\u00e0i m\u00e0u tr\u1eafng b\u1ea1c \u0111\u1ed3ng nh\u1ea5t<\/td><td>Ch\u1ec9 s\u1eed d\u1ee5ng cho m\u00f4i tr\u01b0\u1eddng C5-M ho\u1eb7c m\u00f4i tr\u01b0\u1eddng ng\u00e2m.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Sa2.5 v\u00e0 Sa2 kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf \u201c\u0111\u1ed9 s\u1ea1ch\u201d; m\u00e0 c\u00f2n \u1edf\u2026 <strong>m\u1eabu neo<\/strong>\u2014 \u0110\u1ed9 nh\u00e1m vi m\u00f4.<\/p>\n\n\n\n<p>L\u1edbp s\u01a1n l\u00f3t th\u1ea5m s\u00e2u v\u00e0o c\u00e1c khe h\u1edf v\u00e0 r\u00e3nh nh\u1ecf li ti tr\u00ean b\u1ec1 m\u1eb7t th\u00e9p. Khi kh\u00f4, n\u00f3 s\u1ebd b\u00e1m ch\u1eafc nh\u01b0 ch\u00eca kh\u00f3a trong \u1ed5 kh\u00f3a. N\u1ebfu kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac b\u00e1m d\u00ednh n\u00e0y, l\u1edbp s\u01a1n ch\u1ec9 d\u1ef1a v\u00e0o l\u1ef1c ph\u00e2n t\u1eed \u0111\u1ec3 b\u00e1m v\u00e0o th\u00e9p. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c rung \u0111\u1ed9ng c\u1ee7a t\u1ea5m th\u00e9p c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 li\u00ean k\u1ebft \u0111\u00f3. <strong>M\u00e0i b\u1eb1ng tay (St2\/St3) kh\u00f4ng th\u1ec3 t\u1ea1o ra ki\u1ec3u neo n\u00e0y.<\/strong>\u2014B\u00e0n ch\u1ea3i s\u1eaft c\u00f3 th\u1ec3 l\u00e0m cho b\u1ec1 m\u1eb7t tr\u00f4ng s\u00e1ng b\u00f3ng, nh\u01b0ng th\u1ef1c ch\u1ea5t n\u00f3 t\u1ea1o ra m\u1ed9t b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng, nh\u1eb5n m\u1ecbn khi\u1ebfn s\u01a1n kh\u00f4ng th\u1ec3 b\u00e1m d\u00ednh hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-is-the-optimal-roughness-depth\">\u0110\u1ed9 nh\u00e1m t\u1ed1i \u01b0u l\u00e0 bao nhi\u00eau?<\/h3>\n\n\n\n<p>\u0110\u1ed9 s\u00e2u t\u1ed1i \u01b0u c\u1ee7a m\u00f4 h\u00ecnh neo l\u00e0 <strong>Rz 40-70\u03bcm<\/strong>N\u1ebfu qu\u00e1 th\u1ea5p (&lt;40\u03bcm), l\u1edbp s\u01a1n l\u00f3t s\u1ebd kh\u00f4ng b\u00e1m ch\u1eafc. N\u1ebfu qu\u00e1 cao (&gt;70\u03bcm), c\u00e1c &quot;\u0111\u1ec9nh&quot; c\u1ee7a hoa v\u0103n neo c\u00f3 th\u1ec3 nh\u00f4 ra kh\u1ecfi l\u1edbp s\u01a1n l\u00f3t, tr\u1edf th\u00e0nh \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho qu\u00e1 tr\u00ecnh \u0103n m\u00f2n.<\/p>\n\n\n\n<p>Tr\u00ean th\u1ef1c t\u1ebf, c\u00e1c nh\u00e0 m\u00e1y k\u1ebft c\u1ea5u th\u00e9p s\u1eed d\u1ee5ng h\u1ea1t th\u00e9p g\u00f3c c\u1ea1nh (Grit) \u0111\u1ec3 phun c\u00e1t th\u01b0\u1eddng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 nh\u00e1m trong kho\u1ea3ng Rz 50-65\u03bcm. S\u1eed d\u1ee5ng h\u1ea1t th\u00e9p tr\u00f2n (Shot) cho \u0111\u1ed9 nh\u00e1m th\u1ea5p h\u01a1n, v\u00ec v\u1eady ng\u01b0\u1eddi ta th\u01b0\u1eddng tr\u1ed9n th\u00eam m\u1ed9t t\u1ef7 l\u1ec7 h\u1ea1t th\u00e9p g\u00f3c c\u1ea1nh nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u00e1m.<\/p>\n\n\n\n<p>Theo quy tr\u00ecnh c\u1ee7a nh\u00e0 m\u00e1y ch\u00fang t\u00f4i: l\u1edbp s\u01a1n l\u00f3t ph\u1ea3i \u0111\u01b0\u1ee3c thi c\u00f4ng trong v\u00f2ng 4 gi\u1edd sau khi l\u00e0m s\u1ea1ch b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p phun c\u00e1t. Sau 4 gi\u1edd, b\u1ec1 m\u1eb7t th\u00e9p tr\u1ea7n v\u1eeba \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eaft \u0111\u1ea7u b\u1ecb oxy h\u00f3a \u2013 m\u1ed9t l\u1edbp oxit r\u1ea5t m\u1ecfng, v\u00f4 h\u00ecnh h\u00ecnh th\u00e0nh, v\u00e0 l\u1edbp oxit n\u00e0y \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u00e1m d\u00ednh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"core-comparison-how-to-choose-an-iso-12944-coating-scheme-for-environments-from-c-3-to-c-5-m-for-your-overhead-crane\">So s\u00e1nh c\u1ed1t l\u00f5i: C\u00e1ch ch\u1ecdn ph\u01b0\u01a1ng \u00e1n s\u01a1n ph\u1ee7 ISO 12944 cho m\u00f4i tr\u01b0\u1eddng t\u1eeb C3 \u0111\u1ebfn C5-M cho c\u1ea7n c\u1ea9u tr\u00ean cao c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y l\u00e0m r\u00f5 m\u1ed9t quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn: <strong>Ti\u00eau chu\u1ea9n ISO 12944-5 kh\u00f4ng quy \u0111\u1ecbnh m\u1ed9t \u201cc\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang\u201d duy nh\u1ea5t cho m\u1ed7i m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/strong> Tr\u00ean th\u1ef1c t\u1ebf, ti\u00eau chu\u1ea9n n\u00e0y li\u1ec7t k\u00ea nhi\u1ec1u h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7 tham chi\u1ebfu cho m\u1ed7i c\u1ea5p \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u00e0 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n\u2014c\u00f3 th\u1ec3 coi \u0111\u00f3 nh\u01b0 m\u1ed9t \u201cth\u1ef1c \u0111\u01a1n c\u00e1c l\u1ef1a ch\u1ecdn\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng, m\u1ed7i l\u1ef1a ch\u1ecdn \u0111\u1ec1u c\u00f3 m\u00e3 ri\u00eang (v\u00ed d\u1ee5: A3.08, A3.11, A4.14). C\u00e1c ph\u01b0\u01a1ng \u00e1n d\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng s\u1ef1 k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t, \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn t\u1eeb th\u1ef1c \u0111\u01a1n ISO d\u1ef1a tr\u00ean kinh nghi\u1ec7m th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c d\u1ef1 \u00e1n.<\/p>\n\n\n\n<p>Khi xem x\u00e9t b\u00e1o gi\u00e1, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean h\u1ecfi nh\u00e0 s\u1ea3n xu\u1ea5t hai c\u00e2u h\u1ecfi: \u201cB\u1ea1n \u0111ang tham chi\u1ebfu \u0111\u1ebfn ti\u00eau chu\u1ea9n s\u01a1n ph\u1ee7 ISO 12944-5 n\u00e0o? T\u1ea1i sao b\u1ea1n l\u1ea1i ch\u1ecdn ti\u00eau chu\u1ea9n n\u00e0y cho \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c c\u1ee7a t\u00f4i?\u201d M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ed1t s\u1ebd gi\u1ea3i th\u00edch l\u00fd do c\u1ee7a h\u1ecd; n\u1ebfu h\u1ecd kh\u00f4ng th\u1ec3, l\u1edbp s\u01a1n ph\u1ee7 cho c\u1ea7n c\u1ea9u tr\u00ean cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi c\u00f4ng \u201ctheo c\u1ea3m t\u00ednh\u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"c-3-environment-general-industry-the-standard-for-most-indoor-overhead-cranes\">M\u00f4i tr\u01b0\u1eddng C3 (C\u00f4ng nghi\u1ec7p chung) \u2013 Ti\u00eau chu\u1ea9n cho h\u1ea7u h\u1ebft c\u00e1c c\u1ea7n c\u1ea9u tr\u00ean cao trong nh\u00e0.<\/h3>\n\n\n\n<p>C3 l\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng th\u1ea5y trong ti\u00eau chu\u1ea9n 90% c\u1ee7a c\u00e1c x\u01b0\u1edfng gia c\u00f4ng c\u01a1 kh\u00ed, d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p v\u00e0 kho h\u00e0ng ti\u00eau chu\u1ea9n. Ti\u00eau chu\u1ea9n ISO 12944-5 li\u1ec7t k\u00ea m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7 t\u00f9y ch\u1ecdn cho m\u00f4i tr\u01b0\u1eddng C3, trong \u0111\u00f3 hai h\u1ec7 th\u1ed1ng d\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>M\u00e3 ch\u01b0\u01a1ng tr\u00ecnh<\/th><th>L\u1edbp<\/th><th>Lo\u1ea1i s\u01a1n<\/th><th>\u0110\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT)<\/th><th>S\u1ed1 l\u01b0\u1ee3ng \u00e1o kho\u00e1c<\/th><th>T\u1ed5ng DFT (T\u1ed1i thi\u1ec3u)<\/th><th>\u0110\u1ed9 b\u1ec1n<\/th><\/tr><\/thead><tbody><tr><td><strong>A3.08<\/strong><\/td><td>M\u1ed3i<\/td><td>S\u01a1n l\u00f3t Epoxy k\u1ebdm photphat<\/td><td>80\u03bcm<\/td><td>1<\/td><td>\u2265160\u03bcm<\/td><td><strong>Trung b\u00ecnh<\/strong> (5-15 tu\u1ed5i)<\/td><\/tr><tr><td><\/td><td>L\u1edbp ph\u1ee7 ngo\u00e0i<\/td><td>L\u1edbp ph\u1ee7 polyurethane aliphatic<\/td><td>40\u03bcm<\/td><td>2<\/td><td><\/td><td><\/td><\/tr><tr><td><strong>A3.11<\/strong><\/td><td>M\u1ed3i<\/td><td>S\u01a1n l\u00f3t gi\u00e0u k\u1ebdm epoxy<\/td><td>60\u03bcm<\/td><td>1<\/td><td>\u2265160\u03bcm<\/td><td><strong>Cao<\/strong> (T\u1eeb 15 tu\u1ed5i tr\u1edf l\u00ean)<\/td><\/tr><tr><td><\/td><td>Trung c\u1ea5p<\/td><td>L\u1edbp ph\u1ee7 trung gian Epoxy Micaocit S\u1eaft (MIO)<\/td><td>50\u03bcm<\/td><td>1<\/td><td><\/td><td><\/td><\/tr><tr><td><\/td><td>L\u1edbp ph\u1ee7 ngo\u00e0i<\/td><td>L\u1edbp ph\u1ee7 polyurethane cho m\u00e1y m\u00f3c k\u1ef9 thu\u1eadt<\/td><td>50\u03bcm<\/td><td>1<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Ti\u00eau chu\u1ea9n ISO 12944-5 c\u00f2n bao g\u1ed3m nh\u1eefng l\u01b0\u1ee3c \u0111\u1ed3 C3 n\u00e0o kh\u00e1c?<\/strong> Ngo\u00e0i b\u1ea3ng tr\u00ean, ti\u00eau chu\u1ea9n c\u00f2n bao g\u1ed3m c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf nh\u01b0 A3.02 (h\u1ec7 alkyd, ti\u1ebft ki\u1ec7m h\u01a1n v\u1edbi l\u1edbp m\u00e0ng m\u1ecfng h\u01a1n nh\u01b0ng th\u1eddi gian b\u1ea3o v\u1ec7 ng\u1eafn h\u01a1n) v\u00e0 A3.04 (h\u1ec7 acrylic g\u1ed1c n\u01b0\u1edbc). A3.08 v\u00e0 A3.11 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u1edf \u0111\u00e2y v\u00ec c\u1ea7n c\u1ea9u c\u00f4ng nghi\u1ec7p tr\u00ean cao c\u00f3 c\u00e1c y\u00eau c\u1ea7u ch\u1ed1ng \u0103n m\u00f2n c\u1ee5 th\u1ec3: chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i thi\u1ec3u 5 n\u0103m kh\u00f4ng c\u1ea7n s\u1eeda ch\u1eefa l\u1edbn v\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng v\u00e0 s\u01b0\u01a1ng d\u1ea7u. H\u1ec7 epoxy \u0111\u00e1ng tin c\u1eady h\u01a1n h\u1ec7 alkyd ho\u1eb7c h\u1ec7 g\u1ed1c n\u01b0\u1edbc trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y.<\/p>\n\n\n\n<p><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1eefa hai ph\u01b0\u01a1ng \u00e1n? H\u00e3y xem x\u00e9t hai \u0111i\u1ec1u sau:<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>A3.08 \u2014 L\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m.<\/strong> L\u1edbp s\u01a1n l\u00f3t k\u1ebdm photphat kh\u00f4ng ch\u1ee9a b\u1ed9t k\u1ebdm. N\u00f3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p &quot;th\u1ee5 \u0111\u1ed9ng h\u00f3a h\u00f3a h\u1ecdc&quot; - k\u1ebdm photphat ph\u1ea3n \u1ee9ng v\u1edbi b\u1ec1 m\u1eb7t th\u00e9p \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng th\u1ee5 \u0111\u1ed9ng, \u1ee9c ch\u1ebf s\u1ef1 lan r\u1ed9ng c\u1ee7a r\u1ec9 s\u00e9t. S\u1ea3n ph\u1ea9m n\u00e0y c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p v\u00e0 d\u1ec5 thi c\u00f4ng. <strong>\u0110i\u1ec1u b\u1ea5t l\u1ee3i:<\/strong> N\u1ebfu l\u1edbp s\u01a1n b\u1ecb h\u01b0 h\u1ea1i c\u1ee5c b\u1ed9, v\u1ecb tr\u00ed \u0111\u00f3 s\u1ebd ti\u1ebfp t\u1ee5c b\u1ecb r\u1ec9 s\u00e9t v\u00e0 lan r\u1ed9ng (&quot;\u0103n m\u00f2n d\u01b0\u1edbi l\u1edbp s\u01a1n&quot;).<\/li>\n\n\n\n<li><strong>A3.11 \u2014 L\u1ef1a ch\u1ecdn cho cu\u1ed9c s\u1ed1ng tr\u01b0\u1eddng th\u1ecd.<\/strong> L\u1edbp s\u01a1n l\u00f3t gi\u00e0u k\u1ebdm s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u201can\u1ed1t hy sinh\u201d \u2013 k\u1ebdm ph\u1ea3n \u1ee9ng m\u1ea1nh h\u01a1n s\u1eaft, b\u1ecb \u0103n m\u00f2n tr\u01b0\u1edbc \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00e9p. Ngay c\u1ea3 khi m\u00e0ng s\u01a1n b\u1ecb h\u01b0 h\u1ea1i, l\u1edbp b\u1ea3o v\u1ec7 \u0111i\u1ec7n h\u00f3a c\u1ee7a k\u1ebdm s\u1ebd l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh r\u1ec9 s\u00e9t lan r\u1ed9ng. L\u1edbp ph\u1ee7 trung gian epoxy MIO \u0111\u01b0\u1ee3c th\u00eam v\u00e0o c\u00f3 ch\u1ee9a oxit s\u1eaft mica d\u1ea1ng v\u1ea3y, ch\u1ed3ng l\u00ean nhau nh\u01b0 g\u1ea1ch l\u00e1t, bu\u1ed9c c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc v\u00e0 oxy ph\u1ea3i di chuy\u1ec3n xa h\u01a1n tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac v\u1edbi th\u00e9p, t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n v\u1eadt l\u00fd. Chi ph\u00ed v\u1eadt li\u1ec7u cho A3.11 v\u00e0o kho\u1ea3ng... <strong>20-30% cao h\u01a1n<\/strong> So v\u1edbi A3.08 [\u01af\u1edaC T\u00cdNH], n\u00f3 k\u00e9o d\u00e0i th\u1eddi gian b\u1ea3o v\u1ec7 t\u1eeb m\u1ee9c trung b\u00ecnh (&lt;15 n\u0103m) l\u00ean m\u1ee9c cao (tr\u00ean 15 n\u0103m).\n<ul>\n<li><strong>L\u1eddi khuy\u00ean \u0111\u01a1n gi\u1ea3n:<\/strong> N\u1ebfu x\u01b0\u1edfng c\u1ee7a b\u1ea1n c\u00f3 ch\u1ea5t l\u1ecfng c\u1eaft g\u1ecdt, ch\u1ea5t t\u1ea9y r\u1eeda, b\u1ea5t k\u1ef3 h\u01a1i h\u00f3a ch\u1ea5t n\u00e0o, ho\u1eb7c \u0111\u1ed9 \u1ea9m tr\u00ean 60% quanh n\u0103m, h\u00e3y ch\u1ecdn A3.11 ngay l\u1eadp t\u1ee9c. \u0110\u1eebng ti\u1ebft ki\u1ec7m 20% cho v\u1eadt li\u1ec7u s\u01a1n ph\u1ee7\u2014chi ph\u00ed nh\u00e2n c\u00f4ng \u0111\u1ec3 s\u01a1n l\u1ea1i trong v\u00f2ng n\u0103m n\u0103m s\u1ebd v\u01b0\u1ee3t xa con s\u1ed1 n\u00e0y.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"c-4-environment-coastal-high-corrosion-industrial-near-the-sea-and-chemical-plants\">M\u00f4i tr\u01b0\u1eddng C4 (V\u00f9ng ven bi\u1ec3n \/ C\u00f4ng nghi\u1ec7p c\u00f3 \u0111\u1ed9 \u0103n m\u00f2n cao) \u2013 G\u1ea7n bi\u1ec3n v\u00e0 c\u00e1c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t<\/h4>\n\n\n\n<p>N\u1ebfu c\u1ea7n c\u1ea9u tr\u00ean cao c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong ph\u1ea1m vi 5km t\u00ednh t\u1eeb b\u1edd bi\u1ec3n, g\u1ea7n nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, g\u1ea7n th\u00e1p gi\u1ea3i nhi\u1ec7t c\u1ee7a nh\u00e0 m\u00e1y \u0111i\u1ec7n, ho\u1eb7c trong b\u1ea5t k\u1ef3 khu v\u1ef1c n\u00e0o c\u00f3 \u0111\u1ed9 \u1ea9m cao\u2014b\u1ea1n c\u1ea7n m\u1ed9t h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n m\u00f4i tr\u01b0\u1eddng C4. Ti\u00eau chu\u1ea9n ISO 12944-5 \u0111\u01b0a ra nhi\u1ec1u h\u1ec7 th\u1ed1ng tham chi\u1ebfu cho C4, trong \u0111\u00f3 hai h\u1ec7 th\u1ed1ng sau \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>M\u00e3 ch\u01b0\u01a1ng tr\u00ecnh<\/th><th>L\u1edbp<\/th><th>Lo\u1ea1i s\u01a1n<\/th><th>\u0110\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT)<\/th><th>S\u1ed1 l\u01b0\u1ee3ng \u00e1o kho\u00e1c<\/th><th>T\u1ed5ng DFT (T\u1ed1i thi\u1ec3u)<\/th><th>\u0110\u1ed9 b\u1ec1n<\/th><\/tr><\/thead><tbody><tr><td><strong>A4.14<\/strong><\/td><td>M\u1ed3i<\/td><td>S\u01a1n l\u00f3t gi\u00e0u k\u1ebdm epoxy<\/td><td>60\u03bcm<\/td><td>1<\/td><td>\u2265200\u03bcm<\/td><td><strong>Trung b\u00ecnh<\/strong> (5-15 tu\u1ed5i)<\/td><\/tr><tr><td><strong>A4.14<\/strong><\/td><td>Trung c\u1ea5p<\/td><td>L\u1edbp ph\u1ee7 trung gian Epoxy Micaocit S\u1eaft (MIO)<\/td><td>90\u03bcm<\/td><td>1<\/td><td>&#8211;<\/td><td>&#8211;<\/td><\/tr><tr><td><strong>A4.14<\/strong><\/td><td>L\u1edbp ph\u1ee7 ngo\u00e0i<\/td><td>L\u1edbp ph\u1ee7 polyurethane aliphatic<\/td><td>50\u03bcm<\/td><td>1<\/td><td>&#8211;<\/td><td>&#8211;<\/td><\/tr><tr><td><strong>A4.09<\/strong><\/td><td>M\u1ed3i<\/td><td>S\u01a1n l\u00f3t Epoxy k\u1ebdm photphat<\/td><td>80\u03bcm<\/td><td>1<\/td><td>\u2265280\u03bcm<\/td><td><strong>Cao<\/strong> (T\u1eeb 15 tu\u1ed5i tr\u1edf l\u00ean)<\/td><\/tr><tr><td><strong>A4.09<\/strong><\/td><td>Trung c\u1ea5p<\/td><td>L\u1edbp ph\u1ee7 trung gian Epoxy Micaocit S\u1eaft (MIO)<\/td><td>75\u03bcm<\/td><td>2<\/td><td>&#8211;<\/td><td>&#8211;<\/td><\/tr><tr><td><strong>A4.09<\/strong><\/td><td>L\u1edbp ph\u1ee7 ngo\u00e0i<\/td><td>L\u1edbp ph\u1ee7 polyurethane cho m\u00e1y m\u00f3c k\u1ef9 thu\u1eadt<\/td><td>50\u03bcm<\/td><td>1<\/td><td>&#8211;<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>A4.14 v\u00e0 A4.09 \u0111\u1ea1i di\u1ec7n cho hai chi\u1ebfn l\u01b0\u1ee3c ch\u1ed1ng \u0103n m\u00f2n kh\u00e1c nhau.<\/strong> M\u1eabu A4.14 (trung h\u1ea1n) s\u1eed d\u1ee5ng l\u1edbp s\u01a1n l\u00f3t gi\u00e0u k\u1ebdm (ph\u01b0\u01a1ng ph\u00e1p c\u1ef1c d\u01b0\u01a1ng hy sinh) v\u1edbi t\u1ed5ng \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) l\u00e0 200\u03bcm v\u00e0 l\u1edbp ph\u1ee7 trung gian gia c\u01b0\u1eddng \u1edf \u0111\u1ed9 d\u00e0y 90\u03bcm. M\u1eabu A4.09 (cao h\u1ea1n) l\u00e0m ng\u01b0\u1ee3c l\u1ea1i: n\u00f3 s\u1eed d\u1ee5ng l\u1edbp s\u01a1n l\u00f3t k\u1ebdm photphat (ph\u01b0\u01a1ng ph\u00e1p th\u1ee5 \u0111\u1ed9ng h\u00f3a h\u00f3a h\u1ecdc) nh\u01b0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed5ng \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) l\u00e0... <strong>280\u03bcm<\/strong> V\u1edbi hai l\u1edbp ph\u1ee7 trung gian t\u1ed5ng c\u1ed9ng 150\u03bcm\u2014d\u1ef1a tr\u00ean \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u1edbp ch\u1eafn v\u1eadt l\u00fd. ISO li\u1ec7t k\u00ea c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u l\u00e0 l\u1ef1a ch\u1ecdn kh\u1ea3 thi cho C4. S\u1ef1 l\u1ef1a ch\u1ecdn kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p n\u00e0o &quot;ch\u00ednh x\u00e1c h\u01a1n&quot;\u2014m\u00e0 l\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa th\u1eddi gian b\u1ea3o v\u1ec7 v\u00e0 ng\u00e2n s\u00e1ch: &quot;l\u1edbp ph\u1ee7 m\u1ecfng gi\u00e0u k\u1ebdm&quot; r\u1ebb h\u01a1n v\u1ec1 chi ph\u00ed ban \u0111\u1ea7u nh\u01b0ng c\u1ea7n s\u1eeda ch\u1eefa l\u1edbn s\u1edbm h\u01a1n, trong khi &quot;l\u1edbp ch\u1eafn m\u00e0ng d\u00e0y&quot; c\u00f3 chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n nh\u01b0ng tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n.<\/p>\n\n\n\n<p><strong>S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i gi\u1eefa C4 v\u00e0 C3 kh\u00f4ng n\u1eb1m \u1edf lo\u1ea1i s\u01a1n l\u00f3t, m\u00e0 l\u00e0 t\u1ed5ng \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) v\u00e0 t\u1ef7 l\u1ec7 l\u1edbp s\u01a1n ph\u1ee7 trung gian.<\/strong><\/p>\n\n\n\n<ul>\n<li>A4.14 (trung h\u1ea1n) t\u1ed5ng DFT l\u00e0 200\u03bcm\u2014nhi\u1ec1u h\u01a1n 40\u03bcm so v\u1edbi ph\u01b0\u01a1ng \u00e1n C3, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1ed9ng v\u00e0o l\u1edbp ph\u1ee7 trung gian.<\/li>\n\n\n\n<li>A4.09 (th\u1eddi gian d\u00e0i) t\u1ed5ng \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 kh\u00f4 (DFT) \u0111\u1ea1t 280\u03bcm, v\u1edbi l\u1edbp ph\u1ee7 trung gian \u0111\u01b0\u1ee3c ph\u1ee7 th\u00e0nh hai l\u1edbp c\u00f3 t\u1ed5ng \u0111\u1ed9 d\u00e0y 150\u03bcm\u2014hai l\u1edbp v\u1ea3y MIO x\u1ebfp ch\u1ed3ng l\u00ean nhau, l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u01b0\u1eddng d\u1eabn cho h\u01a1i n\u01b0\u1edbc.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 t\u1eeb d\u1ef1 \u00e1n c\u1ee7a ch\u00fang t\u00f4i t\u1ea1i Sri Lanka.<\/strong> C\u1ea7n c\u1ea9u tr\u1ee5c d\u1ea7m \u0111\u01a1n ki\u1ec3u ch\u00e2u \u00c2u HD7,5 t\u1ea5n \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i m\u1ed9t nh\u00e0 kho c\u1ee7a nh\u00e0 m\u00e1y \u0111i\u1ec7n ven bi\u1ec3n, c\u00e1ch \u1ea4n \u0110\u1ed9 D\u01b0\u01a1ng ch\u01b0a \u0111\u1ea7y 2km. Kh\u00e1ch h\u00e0ng y\u00eau c\u1ea7u t\u1ed5ng \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 l\u00e0... <strong>\u2265460\u03bcm<\/strong>\u2014Cao h\u01a1n 180\u03bcm so v\u1edbi ti\u00eau chu\u1ea9n ISO C4 d\u00e0i h\u1ea1n (280\u03bcm c\u1ee7a A4.09). T\u1ea1i sao? D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng k\u1ebft h\u1ee3p c\u1ee7a h\u01a1i mu\u1ed1i bi\u1ec3n \u1ea4n \u0110\u1ed9 D\u01b0\u01a1ng, nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh h\u00e0ng n\u0103m tr\u00ean 35\u00b0C v\u00e0 \u0111\u1ed9 \u1ea9m quanh n\u0103m tr\u00ean 80%, l\u1edbp ph\u1ee7 C3 s\u1ebd b\u1eaft \u0111\u1ea7u b\u1ecb ph\u1ed3ng r\u1ed9p trong v\u00f2ng ba n\u0103m. B\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng n\u00e0o c\u00f3 \u0111\u1ed9 d\u00e0y d\u01b0\u1edbi 300\u03bcm trong m\u00f4i tr\u01b0\u1eddng n\u00e0y s\u1ebd kh\u00f4ng b\u1ec1n \u0111\u01b0\u1ee3c b\u1ea3y n\u0103m. \u0110\u1ed1i v\u1edbi d\u1ef1 \u00e1n n\u00e0y, d\u1ef1a tr\u00ean h\u1ec7 th\u1ed1ng ba l\u1edbp ti\u00eau chu\u1ea9n (l\u1edbp s\u01a1n l\u00f3t gi\u00e0u k\u1ebdm epoxy + l\u1edbp ph\u1ee7 trung gian epoxy MIO + l\u1edbp ph\u1ee7 polyurethane), ch\u00fang t\u00f4i \u0111\u00e3 th\u00eam m\u1ed9t l\u1edbp ph\u1ee7 trung gian v\u00e0 m\u1ed9t l\u1edbp ph\u1ee7 polyurethane n\u1eefa, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) \u0111o \u0111\u01b0\u1ee3c cu\u1ed1i c\u00f9ng l\u00e0 478\u03bcm. <strong>Tr\u01b0\u1eddng h\u1ee3p n\u00e0y minh h\u1ecda r\u1eb1ng c\u00e1c s\u01a1 \u0111\u1ed3 tham chi\u1ebfu ISO l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn \u2014 c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t \u0111\u00f2i h\u1ecfi vi\u1ec7c l\u00e0m \u0111\u1eb7c v\u1eadt li\u1ec7u theo y\u00eau c\u1ea7u d\u1ef1a tr\u00ean c\u00e1c s\u01a1 \u0111\u1ed3 ti\u00eau chu\u1ea9n, ch\u1ee9 kh\u00f4ng ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t theo m\u1ed9t m\u00e3 s\u1ed1 c\u1ee5 th\u1ec3.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"c-5-environment-extreme-corrosion-chemical-offshore-tropical-coastal\">M\u00f4i tr\u01b0\u1eddng C5 (\u0102n m\u00f2n c\u1ef1c \u0111\u1ed9) \u2013 H\u00f3a ch\u1ea5t, ngo\u00e0i kh\u01a1i, ven bi\u1ec3n nhi\u1ec7t \u0111\u1edbi<\/h3>\n\n\n\n<p>C5 kh\u00f4ng c\u00f2n l\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng n\u1eefa. B\u1ebfn t\u00e0u ngo\u00e0i kh\u01a1i, gi\u00e0n khoan d\u1ea7u v\u00e0 nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t\u2014trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng n\u00e0y, s\u1ef1 h\u01b0 h\u1ecfng l\u1edbp ph\u1ee7 kh\u00f4ng ch\u1ec9 d\u1eabn \u0111\u1ebfn g\u1ec9 s\u00e9t m\u00e0 c\u00f2n g\u00e2y ra \u0103n m\u00f2n s\u00e2u, \u0111e d\u1ecda \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea5u tr\u00fac.<\/p>\n\n\n\n<p>Ti\u00eau chu\u1ea9n ISO 12944-5 cung c\u1ea5p c\u00e1c s\u01a1 \u0111\u1ed3 tham kh\u1ea3o cho C5 v\u1edbi 4-6 l\u1edbp s\u01a1n, b\u1eaft \u0111\u1ea7u t\u1eeb t\u1ed5ng \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) l\u00e0 300\u03bcm. L\u1edbp s\u01a1n l\u00f3t ph\u1ea3i c\u00f3 h\u00e0m l\u01b0\u1ee3ng k\u1ebdm cao (b\u1ed9t k\u1ebdm m\u00e0ng kh\u00f4 \u226580%). L\u1edbp s\u01a1n trung gian s\u1eed d\u1ee5ng epoxy MIO m\u00e0ng d\u00e0y ho\u1eb7c epoxy d\u1ea1ng v\u1ea3y th\u1ee7y tinh (150\u03bcm tr\u1edf l\u00ean). L\u1edbp s\u01a1n ph\u1ee7 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t. C\u00e1c l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n bao g\u1ed3m c\u1ea3 h\u1ec7 th\u1ed1ng s\u01a1n l\u00f3t epoxy gi\u00e0u k\u1ebdm v\u00e0 s\u01a1n l\u00f3t k\u1ebdm silicat v\u00f4 c\u01a1. S\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee5 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac (C5-I \u0103n m\u00f2n c\u00f4ng nghi\u1ec7p so v\u1edbi C5-M \u0103n m\u00f2n bi\u1ec3n) v\u00e0 kh\u1ea3 n\u0103ng thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng (k\u1ebdm silicat v\u00f4 c\u01a1 y\u00eau c\u1ea7u \u0111i\u1ec1u ki\u1ec7n chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t v\u00e0 \u0111\u00f3ng r\u1eafn nghi\u00eam ng\u1eb7t h\u01a1n).<\/p>\n\n\n\n<p><strong>\u0110\u1ed1i v\u1edbi l\u1edbp ph\u1ee7 ngo\u00e0i C5, c\u00f3 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i:<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>Polyurethane m\u1ea1ch h\u1edf (PU):<\/strong> Kh\u1ea3 n\u0103ng gi\u1eef m\u00e0u v\u00e0 \u0111\u1ed9 b\u00f3ng t\u1ed1t nh\u1ea5t ngo\u00e0i tr\u1eddi, kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV cao nh\u1ea5t, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi t\u00ednh th\u1ea9m m\u1ef9 cao.<\/li>\n\n\n\n<li><strong>Polysiloxan:<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi PU, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi \u0111\u1ebfn 15 n\u0103m m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda ch\u1eefa l\u1edbn, nh\u01b0ng gi\u00e1 th\u00e0nh cao h\u01a1n g\u1ea5p \u0111\u00f4i v\u00e0 \u0111\u00f2i h\u1ecfi \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng nghi\u00eam ng\u1eb7t.<\/li>\n\n\n\n<li><strong>Cao su clo h\u00f3a:<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng axit\/ki\u1ec1m t\u1ed1t v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng, nh\u01b0ng l\u1ef1a ch\u1ecdn m\u00e0u s\u1eafc h\u1ea1n ch\u1ebf v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng dung m\u00f4i h\u1eefu c\u01a1 th\u1ea5p.<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t y\u00eau c\u1ea7u kh\u00e1c d\u1ec5 b\u1ecb b\u1ecf qua \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng C5: <strong>L\u1edbp ph\u1ee7 d\u1ea1ng s\u1ecdc cho c\u00e1c m\u1ed1i h\u00e0n v\u00e0 c\u1ea1nh.<\/strong> Ng\u01b0\u1eddi th\u1ee3 d\u00f9ng c\u1ecd qu\u00e9t th\u1ee7 c\u00f4ng m\u1ed9t l\u1edbp s\u01a1n l\u00ean m\u1ecdi \u0111\u01b0\u1eddng h\u00e0n, m\u00e9p l\u1ed7 bu l\u00f4ng v\u00e0 g\u00f3c nh\u1ecdn. Nh\u1eefng ch\u1ed7 chuy\u1ec3n ti\u1ebfp h\u00ecnh h\u1ecdc n\u00e0y th\u01b0\u1eddng c\u00f3 l\u1edbp s\u01a1n m\u1ecfng h\u01a1n; n\u1ebfu kh\u00f4ng c\u00f3 l\u1edbp s\u01a1n b\u1ed5 sung n\u00e0y, ch\u00fang s\u1ebd tr\u1edf th\u00e0nh \u0111i\u1ec3m kh\u1edfi ph\u00e1t r\u1ec9 s\u00e9t. B\u01b0\u1edbc n\u00e0y m\u1ea5t ch\u01b0a \u0111\u1ebfn n\u1eeda gi\u1edd nh\u01b0ng th\u01b0\u1eddng b\u1ecb b\u1ecf qua.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"special-working-conditions-high-temperature-chemical-food\">\u0110i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c \u0111\u1eb7c bi\u1ec7t \u2014 Nhi\u1ec7t \u0111\u1ed9 cao, h\u00f3a ch\u1ea5t, th\u1ef1c ph\u1ea9m<\/h2>\n\n\n\n<p>C\u00e1c h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n ISO 12944 kh\u00f4ng bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p. Ba \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 y\u00eau c\u1ea7u c\u00e1c h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7 chuy\u00ean d\u1ee5ng.<\/p>\n\n\n\n<ul>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 cao (Nh\u00e0 m\u00e1y th\u00e9p\/X\u01b0\u1edfng \u0111\u00fac, l\u00e0m vi\u1ec7c l\u00e2u d\u00e0i tr\u00ean 120\u00b0C).<\/strong> Nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh c\u1ee7a epoxy ti\u00eau chu\u1ea9n l\u00e0 100-120\u00b0C. V\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 n\u00e0y, l\u1edbp ph\u1ee7 b\u1eaft \u0111\u1ea7u m\u1ec1m ra v\u00e0 b\u1ecb ph\u00e2n h\u1ee7y. M\u1eb7t b\u00edch d\u01b0\u1edbi c\u1ee7a d\u1ea7m ch\u00ednh cho c\u1ea7n c\u1ea9u tr\u00ean cao trong luy\u1ec7n kim, \u0111\u1ed1i di\u1ec7n v\u1edbi b\u1ee9c x\u1ea1 t\u1eeb n\u1ed3i n\u1ea5u th\u00e9p, c\u00f3 th\u1ec3 \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1eeb 180-250\u00b0C. M\u00f4i tr\u01b0\u1eddng n\u00e0y \u0111\u00f2i h\u1ecfi h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7 g\u1ed1c nh\u1ef1a silicon: l\u1edbp s\u01a1n l\u00f3t k\u1ebdm silicat v\u00f4 c\u01a1 ch\u1ecbu \u0111\u01b0\u1ee3c 400\u00b0C, v\u00e0 l\u1edbp ph\u1ee7 silicon nh\u00f4m ch\u1ecbu \u0111\u01b0\u1ee3c 200-300\u00b0C. Tr\u00e1nh s\u1eed d\u1ee5ng nh\u1ef1a h\u1eefu c\u01a1 \u2013 ch\u00fang s\u1ebd b\u1ecb cacbon h\u00f3a v\u00e0 bong tr\u00f3c \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n\n\n\n<li><strong>\u0102n m\u00f2n h\u00f3a h\u1ecdc nghi\u00eam tr\u1ecdng (C\u00e1c h\u1ed9i th\u1ea3o v\u1ec1 t\u1ea9y g\u1ec9\/m\u1ea1 \u0111i\u1ec7n\/x\u1eed l\u00fd b\u1ec1 m\u1eb7t).<\/strong> S\u01b0\u01a1ng m\u00f9 axit v\u00e0 ki\u1ec1m trong kh\u00f4ng kh\u00ed t\u1ea5n c\u00f4ng l\u1edbp ph\u1ee7 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc\u2014n\u00f3 kh\u00f4ng g\u00e2y g\u1ec9 s\u00e9t, m\u00e0 tr\u1ef1c ti\u1ebfp l\u00e0m tan ch\u1ea3y m\u00e0ng s\u01a1n. H\u1ec7 th\u1ed1ng C5 ch\u1ec9 c\u00f3 th\u1ec3 \u201cl\u00e0m ch\u1eadm\u201d qu\u00e1 tr\u00ecnh n\u00e0y; n\u00f3 kh\u00f4ng th\u1ec3 cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 l\u00e2u d\u00e0i. Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb <strong>L\u1edbp ph\u1ee7 epoxy phenolic d\u00e0y<\/strong>Thi c\u00f4ng m\u1ed9t l\u1edbp duy nh\u1ea5t v\u1edbi \u0111\u1ed9 d\u00e0y l\u00ean \u0111\u1ebfn 150\u03bcm, ho\u1eb7c 3-4 l\u1edbp, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed5ng \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) tr\u00ean 400\u03bcm. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn \u2013 nh\u1ef1a epoxy phenolic \u0111\u00f3ng r\u1eafn r\u1ea5t ch\u1eadm \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c nung ho\u1eb7c th\u00f4ng gi\u00f3 c\u01b0\u1ee1ng b\u1ee9c.<\/li>\n\n\n\n<li><strong>Ng\u00e0nh th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c ph\u1ea9m (X\u01b0\u1edfng s\u1ea3n xu\u1ea5t s\u1ea1ch).<\/strong> N\u1ebfu c\u1ea7n c\u1ea9u \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong ph\u00f2ng s\u1ea1ch GMP, m\u1ed1i quan t\u00e2m ch\u00ednh kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ed1ng \u0103n m\u00f2n m\u00e0 l\u00e0 l\u1edbp s\u01a1n ph\u1ee7 kh\u00f4ng \u0111\u01b0\u1ee3c bong tr\u00f3c v\u00e0 l\u00e0m \u00f4 nhi\u1ec5m s\u1ea3n ph\u1ea9m. L\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u l\u00e0 k\u1ebft c\u1ea5u th\u00e9p kh\u00f4ng g\u1ec9, n\u1ebfu ng\u00e2n s\u00e1ch cho ph\u00e9p. N\u1ebfu s\u1eed d\u1ee5ng k\u1ebft c\u1ea5u th\u00e9p carbon + l\u1edbp ph\u1ee7, th\u00ec c\u1ea7n ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau: <strong>Nh\u1ef1a epoxy tr\u1eafng d\u00f9ng trong th\u1ef1c ph\u1ea9m (\u0111\u01b0\u1ee3c FDA ch\u1ee9ng nh\u1eadn)<\/strong>B\u1ec1 m\u1eb7t s\u01a1n ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u00f3ng nh\u01b0 g\u01b0\u01a1ng \u0111\u1ec3 d\u1ec5 d\u00e0ng lau ch\u00f9i. Kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 polyurethane \u2013 sau th\u1eddi gian d\u00e0i ti\u1ebfp x\u00fac v\u1edbi tia c\u1ef1c t\u00edm, ch\u00fang c\u00f3 th\u1ec3 b\u1ecb ph\u1ea5n h\u00f3a v\u00e0 bong tr\u00f3c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-verify-if-the-coating-is-done-well-a-five-step-acceptance-checklist-for-procurement\">C\u00e1ch ki\u1ec3m tra xem l\u1edbp ph\u1ee7 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ed1t hay ch\u01b0a: Danh s\u00e1ch ki\u1ec3m tra ch\u1ea5p nh\u1eadn g\u1ed3m 5 b\u01b0\u1edbc d\u00e0nh cho quy tr\u00ecnh mua s\u1eafm<\/h2>\n\n\n\n<p>B\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n c\u1ea9u \u0111\u00e1ng tin c\u1eady, h\u1ecd \u0111\u1ec1 xu\u1ea5t m\u1ed9t h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7, v\u00e0 s\u1ed1 hi\u1ec7u h\u1ec7 th\u1ed1ng l\u00e0 ch\u00ednh x\u00e1c\u2014nh\u01b0ng sau khi thi c\u00f4ng, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n x\u00e1c minh h\u1ecd \u0111\u00e3 tu\u00e2n th\u1ee7 h\u1ec7 th\u1ed1ng \u0111\u00f3? Ch\u1ec9 nh\u00ecn v\u00e0o m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 b\u00f3ng b\u1ec1 m\u1eb7t l\u00e0 v\u00f4 \u00edch. H\u00e3y l\u00e0m theo n\u0103m b\u01b0\u1edbc sau. \u0110\u1ed1i v\u1edbi b\u1ed1n b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean, h\u00e3y y\u00eau c\u1ea7u nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p h\u1ed3 s\u01a1 ki\u1ec3m tra c\u1ee7a h\u1ecd. \u0110\u1ed1i v\u1edbi b\u01b0\u1edbc th\u1ee9 n\u0103m, b\u1ea1n c\u00f3 th\u1ec3 thu\u00ea b\u00ean th\u1ee9 ba.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-1-surface-preparation-inspection\">B\u01b0\u1edbc 1: Ki\u1ec3m tra chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t<\/h3>\n\n\n\n<p>\u0110\u1ee9ng c\u1ea1nh chi ti\u1ebft c\u1ea5u tr\u00fac tr\u01b0\u1edbc khi s\u01a1n. So s\u00e1nh b\u1ec1 m\u1eb7t v\u1edbi \u1ea3nh ti\u00eau chu\u1ea9n ISO 8501-1 (b\u1ea3n in ho\u1eb7c file PDF tr\u00ean \u0111i\u1ec7n tho\u1ea1i) \u0111\u1ec3 x\u00e1c nh\u1eadn \u0111\u1ea1t ti\u00eau chu\u1ea9n Sa2.5. C\u00e1c b\u01b0\u1edbc ki\u1ec3m tra ch\u00ednh: C\u00f3 c\u00f2n s\u00f3t l\u1ea1i v\u1ea3y th\u00e9p (v\u1ebft s\u1eabm m\u00e0u, bong tr\u00f3c) kh\u00f4ng? C\u00f3 b\u1ecb nhi\u1ec5m d\u1ea7u kh\u00f4ng (th\u1eed nghi\u1ec7m nh\u1ecf gi\u1ecdt n\u01b0\u1edbc \u2013 phun n\u01b0\u1edbc l\u00ean b\u1ec1 m\u1eb7t; n\u1ebfu gi\u1ecdt n\u01b0\u1edbc kh\u00f4ng lan ra, ngh\u0129a l\u00e0 c\u00f3 d\u1ea7u)?<\/p>\n\n\n\n<p>\u0110o \u0111\u1ed9 nh\u00e1m b\u1eb1ng b\u0103ng d\u00ednh Testex ho\u1eb7c th\u01b0\u1edbc \u0111o \u0111\u1ed9 nh\u00e1m, \u0111\u1ea3m b\u1ea3o n\u1eb1m trong kho\u1ea3ng Rz 40-70\u03bcm. Ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng b\u0103ng d\u00ednh c\u00f3 chi ph\u00ed r\u1ea5t th\u1ea5p, kho\u1ea3ng m\u01b0\u1eddi m\u1ea5y \u0111\u00f4 la M\u1ef9 m\u1ed7i cu\u1ed9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-2-climatic-condition-check\">B\u01b0\u1edbc 2: Ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu<\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc khi s\u01a1n, c\u1ea7n \u0111o nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t th\u00e9p, nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed, \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 \u0111i\u1ec3m s\u01b0\u01a1ng. Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t th\u00e9p ph\u1ea3i cao h\u01a1n \u0111i\u1ec3m s\u01b0\u01a1ng \u00edt nh\u1ea5t 3\u00b0C \u2013 n\u1ebfu kh\u00f4ng, h\u01a1i n\u01b0\u1edbc s\u1ebd ng\u01b0ng t\u1ee5 tr\u00ean th\u00e9p, v\u00e0 vi\u1ec7c s\u01a1n l\u00f3t tr\u00ean l\u1edbp m\u00e0ng n\u01b0\u1edbc s\u1ebd v\u00f4 \u00edch. \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i tr\u00ean 85% kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p khi thi c\u00f4ng (qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn epoxy b\u1ecb \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u b\u1edfi \u0111\u1ed9 \u1ea9m).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-3-dry-film-thickness-dft\">B\u01b0\u1edbc 3: \u0110\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT)<\/h3>\n\n\n\n<p>Theo ti\u00eau chu\u1ea9n SSPC-PA2: l\u1ea5y 5 \u0111i\u1ec3m \u0111o tr\u00ean m\u1ed7i 10m\u00b2, \u0111o 3 l\u1ea7n t\u1ea1i m\u1ed7i \u0111i\u1ec3m v\u00e0 l\u1ea5y gi\u00e1 tr\u1ecb trung b\u00ecnh. Quy t\u1eafc ch\u1ea5p nh\u1eadn:<\/p>\n\n\n\n<ul>\n<li>M\u1ed7i l\u1ea7n \u0111o kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 80% so v\u1edbi gi\u00e1 tr\u1ecb quy \u0111\u1ecbnh.<\/li>\n\n\n\n<li>Gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n gi\u00e1 tr\u1ecb quy \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n y\u00eau c\u1ea7u t\u1ed5ng DFT l\u00e0 200\u03bcm cho H\u1ec7 th\u1ed1ng A4.14, th\u00ec kh\u00f4ng \u0111i\u1ec3m \u0111o n\u00e0o \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 160\u03bcm, v\u00e0 gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m ph\u1ea3i l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 200\u03bcm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-4-electric-spark-holiday-detection\">B\u01b0\u1edbc 4: Ph\u00e1t hi\u1ec7n tia l\u1eeda \u0111i\u1ec7n (Ng\u00e0y l\u1ec5)<\/h3>\n\n\n\n<p>Sau khi l\u1edbp ph\u1ee7 \u0111\u00e3 kh\u00f4 ho\u00e0n to\u00e0n (th\u01b0\u1eddng l\u00e0 24-48 gi\u1edd sau khi thi c\u00f4ng), h\u00e3y s\u1eed d\u1ee5ng m\u00e1y d\u00f2 l\u1ed7 h\u1ed5ng \u0111\u1ec3 qu\u00e9t to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t. T\u00ednh to\u00e1n \u0111i\u1ec7n \u00e1p d\u00f2 b\u1eb1ng c\u00f4ng th\u1ee9c: <strong>5V\/\u03bcm \u00d7 T\u1ed5ng DFT (\u03bcm)<\/strong>.<\/p>\n\n\n\n<p>N\u1ebfu t\u1ed5ng \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 (DFT) l\u00e0 200\u03bcm, \u0111i\u1ec7n \u00e1p d\u00f2 s\u1ebd l\u00e0 5 \u00d7 200 = 1000V. Khi \u0111\u1ea7u d\u00f2 qu\u00e9t qua l\u1edbp ph\u1ee7, b\u1ea5t k\u1ef3 \u0111i\u1ec3m nh\u1ecf n\u00e0o (l\u1ed7 h\u1ed5ng) s\u1ebd t\u1ea1o ra tia l\u1eeda \u0111i\u1ec7n\u2014v\u1ecb tr\u00ed tia l\u1eeda \u0111i\u1ec7n l\u00e0 \u0111i\u1ec3m th\u00e9p tr\u1ea7n, n\u01a1i ch\u1eafc ch\u1eafn s\u1ebd b\u1eaft \u0111\u1ea7u r\u1ec9 s\u00e9t. C\u00e1c l\u1ed7 h\u1ed5ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf ch\u00e2n m\u1ed1i h\u00e0n, g\u00f3c c\u1ea1nh v\u00e0 c\u00e1c khu v\u1ef1c c\u00f3 \u0111\u1ed9 nh\u00e1m qu\u00e1 cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-5-adhesion-test\">B\u01b0\u1edbc 5: Ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi DFT \u2264250\u03bcm, h\u00e3y s\u1eed d\u1ee5ng <strong>th\u1eed nghi\u1ec7m c\u1eaft ngang (ISO 2409)<\/strong> D\u00f9ng dao kh\u00eda m\u1ed9t l\u01b0\u1edbi 6\u00d76, d\u00e1n b\u0103ng keo, b\u00f3c ra v\u00e0 \u0111\u1ebfm xem c\u00f3 bao nhi\u00eau \u00f4 vu\u00f4ng b\u1ecb bong ra. \u0110\u1ed1i v\u1edbi DFT &gt;250\u03bcm, h\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sau: <strong>th\u1eed nghi\u1ec7m k\u00e9o \u0111\u1ee9t (ISO 4624)<\/strong> : G\u1eafn m\u1ed9t con l\u0103n kim lo\u1ea1i v\u00e0o l\u1edbp ph\u1ee7 b\u1eb1ng m\u1ed9t lo\u1ea1i keo epoxy \u0111\u1eb7c bi\u1ec7t, l\u00e0m kh\u00f4 keo, v\u00e0 \u0111o l\u1ef1c c\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00e9o n\u00f3 ra. Y\u00eau c\u1ea7u l\u00e0 <strong>\u22655MPa<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-coating-defects-judge-at-a-glance\">C\u00e1c khuy\u1ebft t\u1eadt th\u01b0\u1eddng g\u1eb7p c\u1ee7a l\u1edbp ph\u1ee7 - \u0110\u00e1nh gi\u00e1 nhanh ch\u00f3ng<\/h2>\n\n\n\n<p>C\u00e1c l\u1ed7i l\u1edbp ph\u1ee7 kh\u00f4ng ph\u1ea3i l\u00e0 &quot;v\u1eadn r\u1ee7i&quot;. Lu\u00f4n ch\u1ec9 c\u00f3 hai nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5: chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn l\u1edbp ph\u1ee7 kh\u00f4ng \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Khuy\u1ebft \u0111i\u1ec3m<\/th><th>S\u1ef1 mi\u00eau t\u1ea3<\/th><th>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5<\/th><th>Khi n\u00f3 xu\u1ea5t hi\u1ec7n<\/th><\/tr><\/thead><tbody><tr><td><strong>ph\u1ed3ng r\u1ed9p<\/strong><\/td><td>Nh\u1eefng v\u1ebft l\u1ed3i nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t l\u1edbp ph\u1ee7, \u0111\u01b0\u1eddng k\u00ednh 1-5mm; khi c\u1eaft ch\u00fang ra s\u1ebd th\u1ea5y n\u01b0\u1edbc ho\u1eb7c kh\u00f4ng kh\u00ed.<\/td><td>C\u00e1c mu\u1ed1i h\u00f2a tan c\u00f2n s\u00f3t l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t th\u00e9p (th\u01b0\u1eddng g\u1eb7p nh\u1ea5t v\u1edbi c\u00e1t bi\u1ec3n d\u00f9ng \u0111\u1ec3 phun c\u00e1t m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch \u0111\u00fang c\u00e1ch); \u00e1p su\u1ea5t th\u1ea9m th\u1ea5u h\u00fat n\u01b0\u1edbc v\u00e0o l\u1edbp ph\u1ee7.<\/td><td>Th\u01b0\u1eddng g\u1eb7p nh\u1ea5t sau v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng bi\u1ec3n; xu\u1ea5t hi\u1ec7n theo t\u1eebng \u0111\u1ee3t sau 3-6 th\u00e1ng.<\/td><\/tr><tr><td><strong>L\u1ed7 kim<\/strong><\/td><td>C\u00e1c l\u1ed7 nh\u1ecf li ti c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y tr\u00ean b\u1ec1 m\u1eb7t l\u1edbp ph\u1ee7, \u0111\u01b0\u1eddng k\u00ednh 0,1-0,5mm; tr\u00f4ng gi\u1ed1ng nh\u01b0 nh\u1eefng ch\u1ea5m tr\u1eafng nh\u1ecf d\u01b0\u1edbi \u00e1nh s\u00e1ng.<\/td><td>C\u00e1c b\u1ecdt kh\u00ed xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh pha s\u01a1n kh\u00f4ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf tr\u01b0\u1edbc khi thi c\u00f4ng, ho\u1eb7c s\u00fang phun s\u01a1n qu\u00e1 xa khi\u1ebfn s\u01a1n b\u1eaft \u0111\u1ea7u \u0111\u00f4ng c\u1ee9ng gi\u1eefa kh\u00f4ng trung.<\/td><td>C\u00f3 th\u1ec3 t\u00ecm th\u1ea5y t\u1ea1i trang \u1ee9ng d\u1ee5ng; d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n b\u1eb1ng m\u00e1y d\u00f2 ng\u00e0y l\u1ec5.<\/td><\/tr><tr><td><strong>V\u1ecf cam<\/strong><\/td><td>B\u1ec1 m\u1eb7t s\u01a1n b\u1ecb nh\u0103n nheo, tr\u00f4ng gi\u1ed1ng nh\u01b0 v\u1ecf cam.<\/td><td>S\u00fang phun s\u01a1n qu\u00e1 xa, \u0111\u1ed9 nh\u1edbt c\u1ee7a s\u01a1n qu\u00e1 cao, ho\u1eb7c l\u01b0\u1ee3ng ch\u1ea5t pha lo\u00e3ng kh\u00f4ng \u0111\u1ee7. Dung m\u00f4i bay h\u01a1i qu\u00e1 nhanh; s\u01a1n kh\u00f4ng c\u00f3 \u0111\u1ee7 th\u1eddi gian \u0111\u1ec3 t\u1ef1 d\u00e0n \u0111\u1ec1u tr\u01b0\u1edbc khi kh\u00f4.<\/td><td>Hi\u1ec3n th\u1ecb ngay t\u1ea1i trang \u1ee9ng d\u1ee5ng.<\/td><\/tr><tr><td><strong>Ph\u00e1 v\u1ee1<\/strong><\/td><td>C\u00e1c v\u1ebft n\u1ee9t kh\u00f4ng \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t l\u1edbp ph\u1ee7; c\u00e1c v\u1ebft n\u1ee9t s\u00e2u c\u00f3 th\u1ec3 lan \u0111\u1ebfn l\u1edbp ph\u1ee7 trung gian.<\/td><td>S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch gi\u1eefa l\u1edbp s\u01a1n ph\u1ee7 v\u00e0 l\u1edbp s\u01a1n trung gian (v\u00ed d\u1ee5: s\u01a1n ph\u1ee7 l\u1edbp s\u01a1n alkyd kh\u00f4 nhanh l\u00ean tr\u00ean l\u1edbp epoxy MIO), ho\u1eb7c l\u1edbp s\u01a1n \u0111\u01b0\u1ee3c thi c\u00f4ng qu\u00e1 d\u00e0y trong m\u1ed9t l\u1ea7n.<\/td><td>V\u00e0i tu\u1ea7n \u0111\u1ebfn v\u00e0i th\u00e1ng sau khi n\u1ed9p \u0111\u01a1n<\/td><\/tr><tr><td><strong>T\u00e1ch l\u1edbp<\/strong><\/td><td>To\u00e0n b\u1ed9 l\u1edbp s\u01a1n ph\u1ee7 b\u1ecb bong tr\u00f3c; \u0111i\u1ec3m t\u00e1ch r\u1eddi n\u1eb1m gi\u1eefa l\u1edbp s\u01a1n l\u00f3t v\u00e0 t\u1ea5m th\u00e9p.<\/td><td>Vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u \u2014 qu\u00e1 tr\u00ecnh t\u1ea9y d\u1ea7u m\u1ee1 ho\u1eb7c l\u00e0m s\u1ea1ch b\u1eb1ng phun c\u00e1t kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n Sa2.5.<\/td><td>B\u1ea5t c\u1ee9 l\u00fac n\u00e0o, \u0111\u1eb7c bi\u1ec7t l\u00e0 sau khi c\u1ea5u tr\u00fac b\u1ecb bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1ea3i tr\u1ecdng.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>M\u1ed9t l\u1eddi khuy\u00ean h\u1eefu \u00edch:<\/strong> Hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed3ng r\u1ed9p v\u00e0 bong tr\u00f3c th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n sau khi h\u00e0ng h\u00f3a \u0111\u1ebfn c\u1ea3ng \u0111\u00edch, ch\u1ee9 kh\u00f4ng ph\u1ea3i trong x\u01b0\u1edfng s\u1ea3n xu\u1ea5t. Nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 m\u00f4i tr\u01b0\u1eddng h\u01a1i mu\u1ed1i b\u00ean trong container v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng bi\u1ec3n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t bu\u1ed3ng \u0103n m\u00f2n t\u0103ng t\u1ed1c. Do \u0111\u00f3, ch\u00fang t\u00f4i y\u00eau c\u1ea7u ki\u1ec3m tra hai l\u1ea7n: m\u1ed9t l\u1ea7n sau 48 gi\u1edd k\u1ec3 t\u1eeb khi ho\u00e0n th\u00e0nh l\u1edbp ph\u1ee7 v\u00e0 m\u1ed9t l\u1ea7n n\u1eefa tr\u01b0\u1edbc khi \u0111\u00f3ng g\u00f3i. N\u1ebfu l\u1edbp ph\u1ee7 \u0111\u1ea1t c\u1ea3 hai l\u1ea7n ki\u1ec3m tra, kh\u1ea3 n\u0103ng x\u1ea3y ra s\u1ef1 c\u1ed1 sau khi h\u00e0ng \u0111\u1ebfn n\u01a1i l\u00e0 r\u1ea5t th\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-we-have-done\">Nh\u1eefng vi\u1ec7c ch\u00fang ta \u0111\u00e3 l\u00e0m<\/h2>\n\n\n\n<p>T\u1eeb c\u1ea7n c\u1ea9u tr\u00ean cao ti\u00eau chu\u1ea9n C3 d\u00f9ng trong nh\u00e0 x\u01b0\u1edfng, \u0111\u1ebfn c\u1ea7n c\u1ea9u tr\u00ean cao d\u1ea7m \u0111\u01a1n ch\u1ed1ng \u0103n m\u00f2n C4 d\u00e0y 460\u03bcm \u1edf v\u00f9ng bi\u1ec3n Sri Lanka, cho \u0111\u1ebfn l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho Trung t\u00e2m ph\u00f3ng v\u1ec7 tinh Jiuquan\u2014trong nhi\u1ec1u n\u0103m qua, ch\u00fang t\u00f4i \u0111\u00e3 tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7 cho nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n kh\u00e1c nhau, bao g\u1ed3m h\u1ea7u h\u1ebft c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang mua c\u1ea7n c\u1ea9u ho\u1eb7c c\u00f3 thi\u1ebft b\u1ecb c\u1ea7n b\u1ea3o tr\u00ec ch\u1ed1ng \u0103n m\u00f2n \u0111\u1ecbnh k\u1ef3, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 cung c\u1ea5p khuy\u1ebfn ngh\u1ecb l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 v\u00e0 b\u00e1o gi\u00e1 t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u1ec1 xu\u1ea5t c\u1ee7a ch\u00fang t\u00f4i v\u1edbi b\u1ea5t k\u1ef3 nh\u00e0 s\u1ea3n xu\u1ea5t n\u00e0o kh\u00e1c m\u00e0 b\u1ea1n \u0111ang tham kh\u1ea3o gi\u00e1 \u2013 v\u00e0 h\u00e3y tho\u1ea3i m\u00e1i s\u1eed d\u1ee5ng danh s\u00e1ch ki\u1ec3m tra ch\u1ea5p nh\u1eadn trong b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 x\u00e1c minh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1781227688667\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>L\u1edbp ph\u1ee7 ti\u00eau chu\u1ea9n cho c\u1ea7n c\u1ea9u tr\u00ean cao trong nh\u00e0 l\u00e0 g\u00ec?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>M\u00f4i tr\u01b0\u1eddng C3, H\u1ec7 th\u1ed1ng A3.08 (S\u01a1n l\u00f3t Epoxy Zinc Phosphate 80\u03bcm + S\u01a1n ph\u1ee7 Polyurethane 40\u03bcm x 2 l\u1edbp), t\u1ed5ng \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (DFT) \u2265160\u03bcm, th\u1eddi gian b\u1ea3o v\u1ec7 5-15 n\u0103m.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781227696856\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng d\u00e0y nh\u1ea5t b\u1ea5t k\u1ec3 m\u00f4i tr\u01b0\u1eddng n\u00e0o kh\u00f4ng?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt th\u00ec kh\u1ea3 thi, nh\u01b0ng v\u1ec1 m\u1eb7t kinh t\u1ebf th\u00ec l\u00e3ng ph\u00ed. S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng C5 trong m\u00f4i tr\u01b0\u1eddng C3 gi\u1ed1ng nh\u01b0 d\u00f9ng b\u00faa t\u1ea1 \u0111\u1ec3 \u0111\u1eadp v\u1ee1 m\u1ed9t h\u1ea1t \u0111\u1eadu. Chi ph\u00ed s\u01a1n t\u0103ng g\u1ea5p \u0111\u00f4i, th\u1eddi gian thi c\u00f4ng k\u00e9o d\u00e0i h\u01a1n v\u00e0 l\u01b0\u1ee3ng kh\u00ed th\u1ea3i t\u0103ng l\u00ean, nh\u01b0ng hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 g\u1ea7n nh\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi H\u1ec7 th\u1ed1ng A3.11 (C3 d\u00e0i h\u1ea1n). L\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng l\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00fang \u0111\u1eafn.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781227706026\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o t\u1ed1t h\u01a1n, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng hay s\u01a1n ph\u1ee7?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 nh\u1eefng k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng ri\u00eang. M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng c\u00f3 tu\u1ed5i th\u1ecd ch\u1ed1ng \u0103n m\u00f2n l\u00e2u h\u01a1n (20-25 n\u0103m), ph\u1ee7 k\u00edn to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t (bao g\u1ed3m c\u1ea3 b\u00ean trong \u1ed1ng v\u00e0 c\u00e1c khe h\u1edf), nh\u01b0ng quy tr\u00ecnh ph\u1ee9c t\u1ea1p, m\u00e0u s\u1eafc ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf m\u00e0u x\u00e1m b\u1ea1c, v\u00e0 kh\u00f4ng th\u1ec3 s\u1eeda ch\u1eefa t\u1ea1i ch\u1ed7. S\u01a1n ph\u1ee7 cung c\u1ea5p nhi\u1ec1u l\u1ef1a ch\u1ecdn m\u00e0u s\u1eafc, c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa t\u1ea1i ch\u1ed7 v\u00e0 c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n, nh\u01b0ng c\u1ea7n b\u1ea3o tr\u00ec l\u1edbn sau m\u1ed7i 7-15 n\u0103m. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c c\u1ea7n c\u1ea9u c\u00f4ng nghi\u1ec7p tr\u00ean cao, s\u01a1n ph\u1ee7 l\u00e0 \u0111\u1ee7 v\u00e0 linh ho\u1ea1t h\u01a1n.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781227719733\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>L\u00e0m th\u1ebf n\u00e0o t\u00f4i c\u00f3 th\u1ec3 x\u00e1c minh xem h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7 do nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a ra c\u00f3 \u0111\u00e1ng tin c\u1eady hay kh\u00f4ng?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>H\u00e3y y\u00eau c\u1ea7u h\u1ecd cung c\u1ea5p n\u0103m th\u00f4ng tin sau: 1) H\u1ed3 s\u01a1 l\u00e0m s\u1ea1ch b\u1eb1ng phun c\u00e1t + \u1ea3nh so s\u00e1nh ti\u00eau chu\u1ea9n Sa2.5; 2) Nh\u00e3n hi\u1ec7u, m\u1eabu m\u00e3 v\u00e0 s\u1ed1 l\u00f4 c\u1ee7a t\u1eebng l\u1edbp s\u01a1n; 3) H\u1ed3 s\u01a1 \u0111o \u0111\u1ed9 d\u00e0y m\u00e0ng kh\u00f4 (\u0111o theo ti\u00eau chu\u1ea9n SSPC-PA2); 4) B\u00e1o c\u00e1o th\u1eed nghi\u1ec7m phun mu\u1ed1i (\u2265720 gi\u1edd kh\u00f4ng b\u1ecb r\u1ec9 s\u00e9t \u0111\u1ecf \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng epoxy); 5) Gi\u1ea5y ch\u1ee9ng nh\u1eadn tr\u00ecnh \u0111\u1ed9 c\u1ee7a ng\u01b0\u1eddi thi c\u00f4ng v\u00e0 h\u1ed3 s\u01a1 kh\u00ed h\u1eadu h\u00e0ng ng\u00e0y trong qu\u00e1 tr\u00ecnh s\u01a1n.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1781227734072\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>L\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb g\u1ec9 s\u00e9t trong bao nhi\u00eau n\u0103m?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u201cTh\u1eddi gian b\u1ea3o v\u1ec7\u201d \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong ti\u00eau chu\u1ea9n ISO 12944 kh\u00f4ng ph\u1ea3i l\u00e0 \u201cth\u1eddi gian cho \u0111\u1ebfn khi r\u1ec9 s\u00e9t b\u1eaft \u0111\u1ea7u\u201d, m\u00e0 l\u00e0 th\u1eddi gian cho \u0111\u1ebfn khi\u2026 <em>C\u1ea7n s\u01a1n s\u1eeda ch\u1eefa l\u1edbn l\u1ea7n \u0111\u1ea7u ti\u00ean.<\/em>\u1ede giai \u0111o\u1ea1n n\u00e0y, l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n c\u00e1c \u0111\u1ed1m r\u1ec9 s\u00e9t c\u1ee5c b\u1ed9, nh\u01b0ng c\u1ea5u tr\u00fac th\u00e9p b\u00ean trong v\u1eabn c\u00f2n nguy\u00ean v\u1eb9n. Th\u1eddi gian s\u1eed d\u1ee5ng ng\u1eafn: &gt;5 n\u0103m (ng\u1eebng r\u1ec9 s\u00e9t). Th\u1eddi gian s\u1eed d\u1ee5ng trung b\u00ecnh: 7-15 n\u0103m. Th\u1eddi gian s\u1eed d\u1ee5ng d\u00e0i: 15-25 n\u0103m. L\u01b0u \u00fd: \u201cTh\u1eddi gian s\u1eed d\u1ee5ng d\u00e0i\u201d kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u201cm\u00e3i m\u00e3i\u201d. Vi\u1ec7c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u00e0 s\u1eeda ch\u1eefa nh\u1ecf (ph\u1ee7 l\u1ea1i l\u1edbp ph\u1ee7) l\u00e0 \u0111i\u1ec1u b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn \u0111i\u1ec1u n\u00e0y qu\u00e1 nhi\u1ec1u l\u1ea7n: m\u1ed9t c\u1ea7n c\u1ea9u tr\u00ean cao, m\u1edbi ho\u1ea1t \u0111\u1ed9ng ch\u01b0a \u0111\u1ebfn n\u0103m n\u0103m, b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n r\u1ec9 s\u00e9t d\u1ecdc theo c\u00e1c m\u1ed1i h\u00e0n d\u1ea7m ch\u00ednh, l\u1edbp ph\u1ee7 b\u1ecb ph\u1ed3ng r\u1ed9p tr\u00ean m\u1eb7t b\u00edch d\u01b0\u1edbi c\u1ee7a gi\u00e1 \u0111\u1ee1 cu\u1ed1i, v\u00e0 c\u00e1c m\u1ea3ng s\u01a1n l\u1edbn b\u1ecb bong tr\u00f3c xung quanh c\u00e1c l\u1ed7 bu l\u00f4ng. Khi nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady xu\u1ea5t hi\u1ec7n, kh\u00e1ch h\u00e0ng lu\u00f4n t\u00ecm \u0111\u1ebfn ch\u00fang t\u00f4i \u0111\u1ec3 t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n [\u2026]","protected":false},"featured_media":11685,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[781],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/11670"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":8,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/11670\/revisions"}],"predecessor-version":[{"id":11734,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/11670\/revisions\/11734"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media\/11685"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media?parent=11670"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_category?post=11670"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=11670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}