{"id":1903,"date":"2025-12-01T06:48:19","date_gmt":"2025-12-01T06:48:19","guid":{"rendered":"https:\/\/coatinglinekt.seott.net\/?p=1903"},"modified":"2025-12-01T06:48:20","modified_gmt":"2025-12-01T06:48:20","slug":"can-you-powder-coat-galvanized-steel","status":"publish","type":"post","link":"https:\/\/coatinglinekt.seott.net\/vi\/can-you-powder-coat-galvanized-steel\/","title":{"rendered":"B\u1ea1n c\u00f3 th\u1ec3 s\u01a1n b\u1ed9t l\u00ean th\u00e9p m\u1ea1 k\u1ebdm kh\u00f4ng?"},"content":{"rendered":"<p>Th\u00e9p m\u1ea1 k\u1ebdm l\u00e0 lo\u1ea1i th\u00e9p ch\u1eafc ch\u1eafn, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ngo\u00e0i tr\u1eddi. Nhi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc li\u1ec7u n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u01a1n b\u1ed9t hay kh\u00f4ng, v\u00ec l\u1edbp k\u1ebdm ho\u1ea1t \u0111\u1ed9ng kh\u00e1c bi\u1ec7t so v\u1edbi th\u00e9p th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<p><strong>V\u00e2ng, b\u1ea1n c\u00f3 th\u1ec3 s\u01a1n b\u1ed9t th\u00e9p m\u1ea1 k\u1ebdm \u2014 nh\u01b0ng ch\u1ec9 khi b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u00fang c\u00e1ch \u0111\u1ec3 lo\u1ea1i b\u1ecf d\u1ea7u, gi\u1ea3m oxit k\u1ebdm, v\u00e0 t\u1ea1o h\u1ed3 s\u01a1 \u0111\u1ec3 b\u1ed9t d\u00ednh v\u00e0o.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/pp\u7c89\u623f2-\u8f6c\u6362\u81ea-jpg-1-1024x682.webp\" class=\"wp-image-2319\" style=\"width:482px;height:auto\" srcset=\"\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-srcset=\"\" \/><\/figure>\n\n\n\n<p>T\u00f4i \u0111\u00e3 l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t h\u00e0ng r\u00e0o, n\u1ed9i th\u1ea5t ngo\u00e0i tr\u1eddi, tay v\u1ecbn v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u tr\u00fac l\u00e0m t\u1eeb th\u00e9p m\u1ea1 k\u1ebdm. Khi c\u00f4ng \u0111o\u1ea1n chu\u1ea9n b\u1ecb \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, th\u00e9p m\u1ea1 k\u1ebdm s\u01a1n b\u1ed9t \u0111\u1ea1t \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1eddi ti\u1ebft l\u00e2u d\u00e0i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea1n c\u00f3 th\u1ec3 s\u01a1n b\u1ed9t tr\u1ef1c ti\u1ebfp l\u00ean th\u00e9p m\u1ea1 k\u1ebdm kh\u00f4ng?<\/h2>\n\n\n\n<p>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, c\u00f3 \u2014 nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea3i chu\u1ea9n b\u1ecb nhi\u1ec1u h\u01a1n so v\u1edbi th\u00e9p th\u01b0\u1eddng.<\/p>\n\n\n\n<p><strong>Th\u00e9p m\u1ea1 k\u1ebdm c\u00f3 th\u1ec3 s\u01a1n b\u1ed9t n\u1ebfu b\u1ec1 m\u1eb7t k\u1ebdm \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch, kh\u1eed d\u1ea7u, etching nh\u1eb9 v\u00e0 \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 ng\u0103n kh\u00ed tho\u00e1t ra ngo\u00e0i.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ecm hi\u1ec3u s\u00e2u h\u01a1n: T\u1ea1i sao th\u00e9p m\u1ea1 k\u1ebdm kh\u00f3 s\u01a1n b\u1ed9t h\u01a1n (h\u01a1n 200 t\u1eeb)<\/h3>\n\n\n\n<p>Th\u00e9p m\u1ea1 k\u1ebdm c\u00f3 l\u1edbp k\u1ebdm b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c t\u1ea1o ra qua qu\u00e1 tr\u00ecnh m\u1ea1 n\u00f3ng ho\u1eb7c m\u1ea1 \u0111i\u1ec7n. L\u1edbp k\u1ebdm n\u00e0y r\u1ea5t t\u1ed1t cho kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, nh\u01b0ng g\u00e2y ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1eb7c bi\u1ec7t khi s\u01a1n b\u1ed9t:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>V\u1ea5n \u0111\u1ec1 1: Kh\u00ed tho\u00e1t ra ngo\u00e0i<\/strong><\/h3>\n\n\n\n<p>Nhi\u1ec7t t\u1eeb qu\u00e1 tr\u00ecnh curing (160\u2013200\u00b0C) c\u00f3 th\u1ec3 khi\u1ebfn kh\u00ed b\u1ecb m\u1eafc k\u1eb9t trong l\u1edbp k\u1ebdm tho\u00e1t ra ngo\u00e0i.<br>\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>l\u1ed7 kim<\/li>\n\n\n\n<li>bong b\u00f3ng<\/li>\n\n\n\n<li>h\u1ed1 nh\u1ecf<\/li>\n\n\n\n<li>\u0111\u1ed9 b\u00e1m d\u00ednh k\u00e9m<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>V\u1ea5n \u0111\u1ec1 2: H\u00ecnh th\u00e0nh oxit k\u1ebdm<\/strong><\/h3>\n\n\n\n<p>Th\u00e9p m\u1ea1 k\u1ebdm nhanh ch\u00f3ng h\u00ecnh th\u00e0nh oxit k\u1ebdm tr\u00ean b\u1ec1 m\u1eb7t.<br>B\u1ed9t kh\u00f4ng li\u00ean k\u1ebft t\u1ed1t v\u1edbi l\u1edbp b\u1ed9t n\u00e0y, kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>V\u1ea5n \u0111\u1ec1 3: \u0110\u1ed9 m\u1ecbn c\u1ee7a b\u1ec1 m\u1eb7t<\/strong><\/h3>\n\n\n\n<p>Th\u00e9p m\u1ea1 k\u1ebdm th\u01b0\u1eddng qu\u00e1 m\u1ecbn, n\u00ean b\u1ed9t kh\u00f4ng th\u1ec3 b\u00e1m ch\u1eafc tr\u1eeb khi b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c l\u00e0m th\u00f4 r\u00e1p.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>V\u1ea5n \u0111\u1ec1 4: D\u1ea7u v\u00e0 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7<\/strong><\/h3>\n\n\n\n<p>Th\u00e9p m\u1ea1 k\u1ebdm m\u1edbi th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>d\u1ea7u b\u00f4i tr\u01a1n<\/li>\n\n\n\n<li>d\u1ea7u passivation<\/li>\n\n\n\n<li>ho\u00e1 ch\u1ea5t ch\u1ed1ng r\u1ec9<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng th\u1ee9 n\u00e0y ng\u0103n c\u1ea3n s\u1ef1 b\u00e1m d\u00ednh \u0111\u00fang c\u00e1ch tr\u1eeb khi \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Ngay c\u1ea3 v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, s\u01a1n b\u1ed9t l\u00ean th\u00e9p m\u1ea1 k\u1ebdm ho\u1ea1t \u0111\u1ed9ng r\u1ea5t t\u1ed1t khi c\u00e1c b\u01b0\u1edbc ti\u1ec1n x\u1eed l\u00fd ph\u00f9 h\u1ee3p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Th\u00e1ch th\u1ee9c<\/th><th>\u1ea2nh h\u01b0\u1edfng c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t<\/th><th>Gi\u1ea3i ph\u00e1p<\/th><\/tr><\/thead><tbody><tr><td>Ph\u00e1t kh\u00ed<\/td><td>L\u1ed7 kim, bong b\u00f3ng<\/td><td>H\u01a1 n\u00f3ng kim lo\u1ea1i tr\u01b0\u1edbc khi s\u01a1n<\/td><\/tr><tr><td>k\u1ebdm oxit<\/td><td>Ch\u1ea5t b\u00e1m d\u00ednh y\u1ebfu<\/td><td>Kh\u1eafc ho\u1eb7c phun c\u00e1t<\/td><\/tr><tr><td>B\u1ec1 m\u1eb7t m\u1ecbn<\/td><td>Li\u00ean k\u1ebft c\u01a1 h\u1ecdc k\u00e9m<\/td><td>Phun c\u00e1t nh\u1eb9<\/td><\/tr><tr><td>d\u1ea7u passivation<\/td><td>L\u1ed7i m\u1eaft c\u00e1 c\u00e1<\/td><td>T\u1ea9y d\u1ea7u m\u1ea1nh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u01a1n b\u1ed9t l\u00ean th\u00e9p m\u1ea1 k\u1ebdm \u0111\u00fang c\u00e1ch?<\/h2>\n\n\n\n<p>Ch\u00eca kh\u00f3a th\u00e0nh c\u00f4ng l\u00e0 chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n\n\n\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh x\u00e1c: t\u1ea9y d\u1ea7u \u2192 r\u1eeda s\u1ea1ch \u2192 kh\u1eafc ho\u1eb7c phun c\u00e1t \u2192 h\u01a1 n\u00f3ng tr\u01b0\u1edbc \u2192 s\u01a1n b\u1ed9t \u2192 nung ch\u00edn.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img alt=\"\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce-1-\u8f6c\u6362\u81ea-jpg-1-1024x682.webp\" class=\"wp-image-2320\" style=\"width:478px;height:auto\" srcset=\"https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce-1-\u8f6c\u6362\u81ea-jpg-1-1024x682.webp 1024w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce-1-\u8f6c\u6362\u81ea-jpg-1-300x200.webp 300w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce-1-\u8f6c\u6362\u81ea-jpg-1-768x511.webp 768w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce-1-\u8f6c\u6362\u81ea-jpg-1-18x12.webp 18w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce-1-\u8f6c\u6362\u81ea-jpg-1.webp 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i s\u00e2u h\u01a1n: Quy tr\u00ecnh s\u01a1n b\u1ed9t t\u1eebng b\u01b0\u1edbc (h\u01a1n 200 t\u1eeb)<\/h3>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh chu\u1ea9n x\u1eed l\u00fd c\u00f4ng nghi\u1ec7p:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. T\u1ea9y d\u1ea7u<\/strong><\/h3>\n\n\n\n<p>Lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 d\u1ea7u, b\u1ee5i b\u1ea9n, h\u00f3a ch\u1ea5t passivation v\u00e0 c\u1eb7n b\u00e3.<br>S\u1eed d\u1ee5ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ch\u1ea5t t\u1ea9y r\u1eeda ki\u1ec1m<\/li>\n\n\n\n<li>r\u1eeda b\u1eb1ng dung m\u00f4i<\/li>\n\n\n\n<li>l\u00e0m s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc n\u00f3ng<\/li>\n<\/ul>\n\n\n\n<p>B\u1ea5t k\u1ef3 c\u1eb7n b\u00e3 n\u00e0o c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 b\u00e1m d\u00ednh.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. R\u1eeda s\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng<\/strong><\/h3>\n\n\n\n<p>\u0110\u1ec3 lo\u1ea1i b\u1ecf dung d\u1ecbch l\u00e0m s\u1ea1ch h\u00f3a h\u1ecdc v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u0102n m\u00f2n ho\u1eb7c l\u00e0m nh\u00e1m b\u1ec1 m\u1eb7t<\/strong><\/h3>\n\n\n\n<p>Ph\u1ea5n b\u00e1m d\u00ednh t\u1ed1t h\u01a1n khi b\u1ec1 m\u1eb7t c\u00f3 m\u1ed9t ch\u00fat h\u1ed3 s\u01a1.<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p khuy\u1ebfn ngh\u1ecb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Phun c\u00e1t nh\u1eb9<\/li>\n\n\n\n<li>Phun c\u00e1t b\u1eb1ng \u00e1p l\u1ef1c th\u1ea5p<\/li>\n\n\n\n<li>\u0102n m\u00f2n b\u1eb1ng axit (axit phosphoric ho\u1eb7c axit chromic)<\/li>\n\n\n\n<li>M\u00e0i m\u00f2n c\u01a1 h\u1ecdc<\/li>\n<\/ul>\n\n\n\n<p>Tr\u00e1nh phun c\u00e1t m\u1ea1nh \u2014 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng l\u1edbp k\u1ebdm.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. S\u1ea5y tr\u01b0\u1edbc (gi\u1ea3m kh\u00ed tho\u00e1t ra)<\/strong><\/h3>\n\n\n\n<p>Gia nhi\u1ec7t kim lo\u1ea1i <strong>tr\u01b0\u1edbc khi<\/strong> \u00e1p d\u1ee5ng ph\u1ea5n \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00ed b\u1ecb m\u1eafc k\u1eb9t.<br>S\u1ea5y tr\u01b0\u1edbc \u0111i\u1ec3n h\u00ecnh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>170\u2013200\u00b0C<\/li>\n\n\n\n<li>20\u201330 ph\u00fat<\/li>\n<\/ul>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 c\u00e1c l\u1ed7 kim.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. \u00c1p d\u1ee5ng l\u1edbp ph\u1ee7 b\u1ed9t<\/strong><\/h3>\n\n\n\n<p>S\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i b\u1ed9t d\u00e0nh cho th\u00e9p m\u1ea1 k\u1ebdm, \u0111\u1eb7c bi\u1ec7t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ed9t polyester (\u0111\u1ed9 b\u1ec1n ngo\u00e0i tr\u1eddi t\u1ed1t nh\u1ea5t)<\/li>\n\n\n\n<li>Polyester si\u00eau b\u1ec1n<\/li>\n\n\n\n<li>B\u1ed9t hybrid (d\u00e0nh cho s\u1eed d\u1ee5ng trong nh\u00e0)<\/li>\n<\/ul>\n\n\n\n<p>M\u0169i phun: S\u1eed d\u1ee5ng \u0111i\u1ec7n \u00e1p v\u1eeba ph\u1ea3i \u0111\u1ec3 tr\u00e1nh l\u1edbp ph\u1ee7 kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. S\u1ea5y kh\u00f4 \u0111\u00fang c\u00e1ch<\/strong><\/h3>\n\n\n\n<p>Th\u1eddi gian v\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u1ea5y ph\u1ea3i theo b\u1ea3ng nhi\u1ec7t \u0111\u1ed9 kim lo\u1ea1i c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9t.<\/p>\n\n\n\n<p>S\u1ea5y kh\u00f4ng \u0111\u00fang c\u00e1ch d\u1eabn \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>k\u1ebft d\u00ednh y\u1ebfu<\/li>\n\n\n\n<li>kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n k\u00e9m<\/li>\n\n\n\n<li>khuy\u1ebft \u0111i\u1ec3m b\u1ec1 m\u1eb7t<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao l\u1ea1i ph\u1ee7 b\u1ed9t l\u00ean th\u00e9p m\u1ea1 k\u1ebdm?<\/h2>\n\n\n\n<p>Khi th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, l\u1edbp ph\u1ee7 b\u1ed9t c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p m\u1ea1 k\u1ebdm.<\/p>\n\n\n\n<p><strong>L\u1edbp ph\u1ee7 b\u1ed9t th\u00eam m\u00e0u s\u1eafc, \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc v\u00e0 \u1ed5n \u0111\u1ecbnh UV tr\u00ean l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a k\u1ebdm.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img alt=\"\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce3-\u8f6c\u6362\u81ea-jpg-1024x682.webp\" class=\"wp-image-2321\" style=\"width:472px;height:auto\" srcset=\"https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce3-\u8f6c\u6362\u81ea-jpg-1024x682.webp 1024w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce3-\u8f6c\u6362\u81ea-jpg-300x200.webp 300w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce3-\u8f6c\u6362\u81ea-jpg-768x511.webp 768w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce3-\u8f6c\u6362\u81ea-jpg-18x12.webp 18w, https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/11\/\u5927\u65cb\u98ce3-\u8f6c\u6362\u81ea-jpg.webp 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i s\u00e2u h\u01a1n: L\u1ee3i \u00edch k\u1ebft h\u1ee3p c\u1ee7a k\u1ebdm + l\u1edbp ph\u1ee7 b\u1ed9t (h\u01a1n 200 t\u1eeb)<\/h3>\n\n\n\n<p>L\u1edbp ph\u1ee7 b\u1ed9t v\u00e0 m\u1ea1 k\u1ebdm c\u00f9ng nhau t\u1ea1o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng g\u1ecdi l\u00e0 <strong>l\u1edbp ph\u1ee7 k\u00e9p<\/strong>.<br>H\u1ec7 th\u1ed1ng n\u00e0y cung c\u1ea5p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u00e1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i<\/li>\n\n\n\n<li>T\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu va \u0111\u1eadp<\/li>\n\n\n\n<li>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1eddi ti\u1ebft<\/li>\n\n\n\n<li>N\u00e2ng cao v\u1ebb ngo\u00e0i<\/li>\n<\/ul>\n\n\n\n<p>Hai l\u1edbp b\u1ea3o v\u1ec7 l\u1eabn nhau:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>K\u1ebdm b\u1ea3o v\u1ec7 th\u00e9p<\/strong> kh\u1ecfi r\u1ec9 s\u00e9t.<\/li>\n\n\n\n<li><strong>S\u01a1n b\u1ed9t b\u1ea3o v\u1ec7 k\u1ebdm<\/strong> kh\u1ecfi ph\u00e2n h\u1ee7y UV v\u00e0 oxy h\u00f3a.<\/li>\n<\/ol>\n\n\n\n<p>Tu\u1ed5i th\u1ecd k\u1ebft h\u1ee3p l\u00e2u h\u01a1n nhi\u1ec1u so v\u1edbi t\u1eebng l\u1edbp ri\u00eang l\u1ebb.<br>Trong m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi, h\u1ec7 th\u1ed1ng \u0111\u00f4i th\u01b0\u1eddng k\u00e9o d\u00e0i <strong>25\u201330+ n\u0103m<\/strong>.<\/p>\n\n\n\n<p>C\u00e1c l\u1ee3i \u00edch kh\u00e1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00f9y ch\u1ec9nh m\u00e0u s\u1eafc<\/li>\n\n\n\n<li>L\u1ef1a ch\u1ecdn k\u1ebft c\u1ea5u (m\u1edd, b\u00f3ng, nh\u0103n)<\/li>\n\n\n\n<li>Ch\u1ecbu m\u00e0i m\u00f2n t\u1ed1t h\u01a1n<\/li>\n\n\n\n<li>Gi\u1ea3m b\u1ea3o tr\u00ec<\/li>\n\n\n\n<li>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ho\u00e1 ch\u1ea5t v\u00e0 phun mu\u1ed1i<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u00fd do th\u00e9p m\u1ea1 k\u1ebdm ph\u1ee7 s\u01a1n b\u1ed9t ph\u1ed5 bi\u1ebfn trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e0ng r\u00e0o<\/li>\n\n\n\n<li>C\u1ed5ng<\/li>\n\n\n\n<li>K\u1ebft c\u1ea5u ngo\u00e0i tr\u1eddi<\/li>\n\n\n\n<li>C\u1ed9t \u0111\u00e8n chi\u1ebfu s\u00e1ng<\/li>\n\n\n\n<li>Lan can ban c\u00f4ng<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb ch\u01a1i ngo\u00e0i tr\u1eddi<\/li>\n\n\n\n<li>Khung th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p<\/li>\n<\/ul>\n\n\n\n<p>H\u1ec7 th\u1ed1ng duplex v\u01b0\u1ee3t tr\u1ed9i trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o b\u1ea1n KH\u00d4NG n\u00ean s\u01a1n t\u0129nh \u0111i\u1ec7n th\u00e9p m\u1ea1 k\u1ebdm?<\/h2>\n\n\n\n<p>Vi\u1ec7c s\u01a1n t\u0129nh \u0111i\u1ec7n th\u00e9p m\u1ea1 k\u1ebdm c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i n\u1ebfu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ec1 m\u1eb7t k\u1ebdm c\u00f2n qu\u00e1 m\u1edbi (\u00edt h\u01a1n 24 gi\u1edd tu\u1ed5i)<\/li>\n\n\n\n<li>Ch\u1ea5t h\u00f3a h\u1ecdc passivation kh\u00f4ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t qu\u00e1 b\u00f3ng ho\u1eb7c m\u1ecbn<\/li>\n\n\n\n<li>Ch\u01b0a th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh nung tr\u01b0\u1edbc<\/li>\n\n\n\n<li>Ph\u1ea7n ch\u1ee9a \u0111\u1ed9 \u1ea9m<\/li>\n\n\n\n<li>Xu\u1ea5t hi\u1ec7n r\u1ec9 s\u00e9t n\u1eb7ng quanh c\u00e1c m\u1ed1i h\u00e0n<\/li>\n\n\n\n<li>C\u00e1c c\u1ee5c k\u1ebdm \u01b0\u1edbt d\u00e0y (gi\u1ecdt ch\u1ea3y) c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y<\/li>\n<\/ul>\n\n\n\n<p>Th\u00e9p m\u1ea1 k\u1ebdm b\u00f3ng s\u00e1ng \u201ck\u1ebft th\u00fac spangle\u201d th\u01b0\u1eddng c\u1ea7n x\u1eed l\u00fd th\u00f4 h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u00e1m d\u00ednh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i s\u00e2u h\u01a1n: C\u00e1c t\u00ecnh hu\u1ed1ng g\u00e2y ra s\u1ef1 c\u1ed1 (h\u01a1n 200 t\u1eeb)<\/h3>\n\n\n\n<p>N\u1ebfu th\u00e9p m\u1ea1 k\u1ebdm m\u1edbi ra kh\u1ecfi b\u1ec3 nh\u00fang n\u00f3ng, d\u1ea7u tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 k\u1ebdm ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 g\u00e2y ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>s\u1ef1 th\u1ea5t b\u1ea1i trong \u0111\u1ed9 b\u00e1m d\u00ednh<\/li>\n\n\n\n<li>L\u1ed7i m\u1eaft c\u00e1<\/li>\n\n\n\n<li>bong b\u00f3ng<\/li>\n\n\n\n<li>B\u1ed9t tr\u00f3c ra theo th\u1eddi gian<\/li>\n<\/ul>\n\n\n\n<p>T\u1ed1t h\u01a1n n\u00ean \u0111\u1ec3 l\u1edbp m\u1ea1 k\u1ebdm m\u1edbi gi\u00e0 \u0111i (\u201cth\u1eddi ti\u1ebft\u201d) trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>t\u1ed1i thi\u1ec3u 24\u201348 gi\u1edd<\/strong><\/li>\n\n\n\n<li><strong>2\u20134 tu\u1ea7n<\/strong> l\u00e0 l\u00fd t\u01b0\u1edfng<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu l\u1edbp m\u1ea1 k\u1ebdm c\u00f3 gi\u1ecdt d\u00e0y ho\u1eb7c v\u1ebft s\u1ea7n s\u00f9i, c\u1ea7n ch\u00e0 nh\u00e1m ho\u1eb7c m\u00e0i tr\u01b0\u1edbc khi ph\u1ee7 l\u1edbp s\u01a1n.<\/p>\n\n\n\n<p>Tr\u00e1nh s\u01a1n b\u1ed9t l\u00ean th\u00e9p m\u1ea1 k\u1ebdm b\u1ecb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>h\u00e0n kh\u00f4ng ch\u1eafc ch\u1eafn<\/li>\n\n\n\n<li>\u00f4 nhi\u1ec5m v\u1edbi flux<\/li>\n\n\n\n<li>g\u1ec9 s\u00e9t s\u00e2u tr\u01b0\u1edbc khi m\u1ea1 k\u1ebdm<\/li>\n\n\n\n<li>qu\u00e1 kh\u00f4ng \u0111\u1ec1u<\/li>\n<\/ul>\n\n\n\n<p>T\u1ea5t c\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 truy\u1ec1n qua l\u1edbp s\u01a1n b\u1ed9t v\u00e0 g\u00e2y ra h\u1ecfng h\u00f3c l\u00e2u d\u00e0i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u01a1n b\u1ed9t l\u00ean th\u00e9p m\u1ea1 k\u1ebdm, nh\u01b0ng vi\u1ec7c chu\u1ea9n b\u1ecb \u0111\u00fang c\u00e1ch l\u00e0 r\u1ea5t quan tr\u1ecdng. Khi \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch, etching, s\u1ea5y tr\u01b0\u1edbc v\u00e0 s\u01a1n b\u1ed9t \u0111\u00fang quy tr\u00ecnh, th\u00e9p m\u1ea1 k\u1ebdm tr\u1edf n\u00ean v\u00f4 c\u00f9ng b\u1ec1n v\u00e0 l\u00e2u d\u00e0i. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa l\u1edbp b\u1ea3o v\u1ec7 k\u1ebdm + s\u01a1n b\u1ed9t t\u1ea1o th\u00e0nh m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh nh\u1ea5t hi\u1ec7n c\u00f3.<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p m\u1ea1 k\u1ebdm ch\u1eafc ch\u1eafn, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ngo\u00e0i tr\u1eddi. Nhi\u1ec1u ng\u01b0\u1eddi th\u1eafc m\u1eafc li\u1ec7u n\u00f3 c\u00f3 th\u1ec3 [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1903","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/posts\/1903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/comments?post=1903"}],"version-history":[{"count":2,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/posts\/1903\/revisions"}],"predecessor-version":[{"id":2322,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/posts\/1903\/revisions\/2322"}],"wp:attachment":[{"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/media?parent=1903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/categories?post=1903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/tags?post=1903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}