{"id":100,"date":"2025-05-08T03:34:39","date_gmt":"2025-05-08T03:34:39","guid":{"rendered":"https:\/\/coatinglinekt.seott.net\/?p=100"},"modified":"2025-05-08T03:35:01","modified_gmt":"2025-05-08T03:35:01","slug":"do-people-need-to-sandblast-before-powder-coating-3","status":"publish","type":"post","link":"https:\/\/coatinglinekt.seott.net\/vi\/do-people-need-to-sandblast-before-powder-coating-3\/","title":{"rendered":"M\u1ecdi ng\u01b0\u1eddi c\u00f3 c\u1ea7n phun c\u00e1t tr\u01b0\u1edbc khi s\u01a1n b\u1ed9t kh\u00f4ng?"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/04\/Powder-Coating-LINE-scaled.jpeg\" alt=\"\" \/><\/p>\n<p><img decoding=\"async\" src=\"&quot;https:\/\/placehold.co\/600x400.jpg&quot;\" alt=\"Phun c\u00e1t tr\u01b0\u1edbc khi s\u01a1n t\u0129nh \u0111i\u1ec7n\" \/><\/p>\n<p>Ph\u1ee7 b\u1ed9t s\u01a1n mang l\u1ea1i l\u1edbp ho\u00e0n thi\u1ec7n b\u1ec1n \u0111\u1eb9p v\u00e0 h\u1ea5p d\u1eabn cho c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i, nh\u01b0ng li\u1ec7u c\u00f3 c\u1ea7n phun c\u00e1t tr\u01b0\u1edbc kh\u00f4ng?<\/p>\n<p><strong>V\u00e2ng, phun c\u00e1t l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng tr\u01b0\u1edbc khi s\u01a1n b\u1ed9t.<\/strong> N\u00f3 lo\u1ea1i b\u1ecf r\u1ec9 s\u00e9t, b\u1ee5i b\u1ea9n v\u00e0 l\u1edbp ph\u1ee7 c\u0169 trong khi t\u1ea1o ra b\u1ec1 m\u1eb7t th\u00f4 r\u00e1p gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh. B\u1ecf qua b\u01b0\u1edbc n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ed9 b\u00e1m d\u00ednh k\u00e9m, bong tr\u00f3c v\u00e0 gi\u1ea3m \u0111\u1ed9 b\u1ec1n. Hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a phun c\u00e1t s\u1ebd gi\u00fap \u0111\u1ea3m b\u1ea3o l\u1edbp ho\u00e0n thi\u1ec7n s\u01a1n b\u1ed9t b\u1ec1n \u0111\u1eb9p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n<hr \/>\n<h2>Phun c\u00e1t l\u00e0 g\u00ec?<\/h2>\n<p>Phun c\u00e1t l\u00e0 m\u1ed9t <strong>k\u1ef9 thu\u1eadt chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t<\/strong> s\u1eed d\u1ee5ng <strong>kh\u00ed n\u00e9n \u0111\u1ec3 \u0111\u1ea9y v\u1eadt li\u1ec7u m\u00e0i m\u00f2n<\/strong> ch\u1ed1ng l\u1ea1i b\u1ec1 m\u1eb7t kim lo\u1ea1i. Qu\u00e1 tr\u00ecnh n\u00e0y lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 r\u1ec9 s\u00e9t, b\u1ee5i b\u1ea9n, d\u1ea7u m\u1ee1 v\u00e0 l\u1edbp ph\u1ee7 c\u0169 \u0111\u1ed3ng th\u1eddi t\u1ea1o ra b\u1ec1 m\u1eb7t c\u00f3 k\u1ebft c\u1ea5u \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u00e1m d\u00ednh.<\/p>\n<p><strong>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u m\u00e0i m\u00f2n ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n<ul>\n<li>Oxit nh\u00f4m  <\/li>\n<li>H\u1ea1t th\u1ee7y tinh  <\/li>\n<li>H\u1ea1t th\u00e9p  <\/li>\n<\/ul>\n<p>Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u1ed3 s\u01a1 b\u1ec1 m\u1eb7t ph\u00f9 h\u1ee3p cho s\u01a1n b\u1ed9t.<\/p>\n<hr \/>\n<p><img decoding=\"async\" src=\"https:\/\/coatinglinekt.seott.net\/wp-content\/uploads\/2025\/04\/Powder-Surface-Coating-LINE-scaled.jpeg\" alt=\"\" \/><\/p>\n<h2>T\u1ea1i sao vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ph\u1ee7 b\u1ed9t s\u01a1n?<\/h2>\n<h3>1. C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh<\/h3>\n<ul>\n<li>Phun c\u00e1t t\u1ea1o ra <strong>v\u1ebft tr\u1ea7y x\u01b0\u1edbc vi m\u00f4<\/strong> gi\u00fap s\u01a1n b\u1ed9t li\u00ean k\u1ebft hi\u1ec7u qu\u1ea3.  <\/li>\n<li>Kh\u00f4ng c\u00f3 k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t, l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 <strong>bong tr\u00f3c ho\u1eb7c n\u1ee9t v\u1ee1<\/strong> theo th\u1eddi gian.<\/li>\n<\/ul>\n<h3>2. Lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t<\/h3>\n<ul>\n<li>Lo\u1ea1i b\u1ecf <strong>r\u1ec9 s\u00e9t, d\u1ea7u m\u1ee1 v\u00e0 l\u1edbp ph\u1ee7 c\u0169<\/strong>.  <\/li>\n<li>\u0110\u1ea3m b\u1ea3o m\u1ed9t <strong>b\u1ec1 m\u1eb7t s\u1ea1ch s\u1ebd v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u<\/strong> \u0111\u1ec3 \u1ee9ng d\u1ee5ng t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<h3>3. T\u0103ng \u0111\u1ed9 b\u1ec1n<\/h3>\n<ul>\n<li>M\u1ed9t b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb t\u1ed1t k\u00e9o d\u00e0i <strong>tu\u1ed5i th\u1ecd c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t<\/strong>.  <\/li>\n<li>Ng\u0103n ng\u1eeba bong b\u00f3ng, n\u1ee9t, v\u00e0 m\u00e0i m\u00f2n s\u1edbm.<\/li>\n<\/ul>\n<hr \/>\n<h2>Khi n\u00e0o c\u1ea7n phun c\u00e1t tr\u01b0\u1edbc khi ph\u1ee7 b\u1ed9t s\u01a1n?<\/h2>\n<h3>1. Kim lo\u1ea1i b\u1ecb r\u1ec9 s\u00e9t ho\u1eb7c \u0103n m\u00f2n<\/h3>\n<ul>\n<li>G\u1ec9 s\u00e9t c\u00f3 th\u1ec3 lan r\u1ed9ng d\u01b0\u1edbi l\u1edbp ph\u1ee7 v\u00e0 g\u00e2y h\u1ecfng h\u00f3c.  <\/li>\n<li>Phun c\u00e1t lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 g\u1ec9 s\u00e9t v\u00e0 ph\u01a1i b\u00e0y kim lo\u1ea1i s\u1ea1ch.<\/li>\n<\/ul>\n<h3>2. C\u00e1c v\u1eadt d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c s\u01a1n ho\u1eb7c ph\u1ee7 l\u1edbp tr\u01b0\u1edbc \u0111\u00f3<\/h3>\n<ul>\n<li>L\u1edbp ph\u1ee7 c\u0169 ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.  <\/li>\n<li>Phun c\u00e1t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp ho\u00e0n thi\u1ec7n c\u0169.<\/li>\n<\/ul>\n<h3>3. B\u1ec1 m\u1eb7t d\u1ea7u m\u1ee1 ho\u1eb7c nh\u1eddn<\/h3>\n<ul>\n<li>D\u1ea7u m\u1ee1 v\u00e0 d\u1ea7u c\u1ea3n tr\u1edf l\u1edbp b\u1ed9t b\u00e1m d\u00ednh.  <\/li>\n<li>Phun c\u00e1t \u0111\u1ea3m b\u1ea3o m\u1ed9t <strong>b\u1ec1 m\u1eb7t kh\u00f4ng ch\u1ee9a t\u1ea1p ch\u1ea5t<\/strong>.<\/li>\n<\/ul>\n<h3>4. Ph\u1ea7n v\u1ea3y mill tr\u00ean th\u00e9p<\/h3>\n<ul>\n<li>Ph\u1ea7n v\u1ea3y mill t\u1eeb s\u1ea3n xu\u1ea5t trong nh\u00e0 m\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.  <\/li>\n<li>Phun c\u00e1t th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng kim lo\u1ea1i.<\/li>\n<\/ul>\n<hr \/>\n<h2>C\u00f3 ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf n\u00e0o cho phun c\u00e1t kh\u00f4ng?<\/h2>\n<h3>1. T\u1ea9y r\u1eeda b\u1eb1ng h\u00f3a ch\u1ea5t<\/h3>\n<ul>\n<li>S\u1eed d\u1ee5ng dung m\u00f4i \u0111\u1ec3 h\u00f2a tan s\u01a1n ho\u1eb7c l\u1edbp ph\u1ee7 c\u0169.  <\/li>\n<li>\u00cdt hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u1ed1i v\u1edbi r\u1ec9 s\u00e9t ho\u1eb7c b\u1ec1 m\u1eb7t b\u1ecb \u00f4 nhi\u1ec5m n\u1eb7ng.<\/li>\n<\/ul>\n<h3>2. Kh\u1eafc axit<\/h3>\n<ul>\n<li>Ph\u1ed5 bi\u1ebfn cho nh\u00f4m ho\u1eb7c kim lo\u1ea1i phi ferrous.  <\/li>\n<li>C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng <strong>c\u00f9ng v\u1edbi phun c\u00e1t<\/strong> \u0111\u1ec3 \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<h3>3. Ch\u00e0 tay ho\u1eb7c ch\u00e0 c\u01a1 kh\u00ed<\/h3>\n<ul>\n<li>Ph\u00f9 h\u1ee3p cho <strong>c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf ho\u1eb7c m\u1ecfng manh<\/strong>.  <\/li>\n<li>Kh\u00f4ng hi\u1ec7u qu\u1ea3 cho c\u00e1c b\u1ec1 m\u1eb7t l\u1edbn ho\u1eb7c ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<hr \/>\n<h2>\u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu b\u1ea1n b\u1ecf qua qu\u00e1 tr\u00ecnh phun c\u00e1t?<\/h2>\n<h3>1. \u0110\u1ed9 b\u00e1m d\u00ednh k\u00e9m<\/h3>\n<ul>\n<li>S\u01a1n ph\u1ee7 b\u1ed9t c\u00f3 th\u1ec3 <strong>kh\u00f4ng b\u00e1m d\u00ednh \u0111\u00fang c\u00e1ch<\/strong>, d\u1eabn \u0111\u1ebfn bong tr\u00f3c v\u00e0 n\u1ee9t v\u1ee1.<\/li>\n<\/ul>\n<h3>2. B\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ec1u<\/h3>\n<ul>\n<li>Ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m g\u00e2y ra <strong>bong b\u00f3ng, nh\u00e1m ho\u1eb7c k\u1ebft c\u1ea5u kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t<\/strong>.<\/li>\n<\/ul>\n<h3>3. Tu\u1ed5i th\u1ecd gi\u1ea3m<\/h3>\n<ul>\n<li>L\u1edbp ph\u1ee7 b\u1ecb h\u1ecfng s\u1edbm h\u01a1n, l\u00e0m t\u0103ng <strong>chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa<\/strong>.<\/li>\n<\/ul>\n<hr \/>\n<h2>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t tr\u01b0\u1edbc khi phun c\u00e1t \u0111\u1ec3 s\u01a1n b\u1ed9t<\/h2>\n<h3>1. Ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u phun ph\u00f9 h\u1ee3p<\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i v\u1eadt li\u1ec7u<\/th>\n<th>\u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Oxide Nh\u00f4m<\/td>\n<td>R\u1ec9 s\u00e9t n\u1eb7ng v\u00e0 l\u1edbp ph\u1ee7 c\u0169<\/td>\n<\/tr>\n<tr>\n<td>H\u1ea1t th\u1ee7y tinh<\/td>\n<td>B\u1ec1 m\u1eb7t nh\u1ea1y c\u1ea3m, l\u00e0m s\u1ea1ch nh\u1eb9<\/td>\n<\/tr>\n<tr>\n<td>H\u1ea1t th\u00e9p grit<\/td>\n<td>L\u1edbp ph\u1ee7 d\u00e0y v\u00e0 \u0103n m\u00f2n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. \u0110\u1ea3m b\u1ea3o ph\u1ee7 \u0111\u1ec1u<\/h3>\n<ul>\n<li>Tr\u00e1nh b\u1ecf s\u00f3t ho\u1eb7c qu\u00e1 m\u1ee9c trong qu\u00e1 tr\u00ecnh phun.  <\/li>\n<li>Duy tr\u00ec <strong>\u00e1p l\u1ef1c v\u00e0 kho\u1ea3ng c\u00e1ch nh\u1ea5t qu\u00e1n<\/strong> khi phun.<\/li>\n<\/ul>\n<h3>3. V\u1ec7 sinh sau khi phun c\u00e1t<\/h3>\n<ul>\n<li>S\u1eed d\u1ee5ng <strong>kh\u00ed n\u00e9n ho\u1eb7c v\u1ea3i s\u1ea1ch<\/strong> \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n b\u1ea9n.  <\/li>\n<li>\u0110\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t ho\u00e0n to\u00e0n <strong>s\u1ea1ch v\u00e0 kh\u00f4<\/strong> tr\u01b0\u1edbc khi ph\u1ee7 l\u1edbp.<\/li>\n<\/ul>\n<hr \/>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Phun c\u00e1t l\u00e0 m\u1ed9t <strong>b\u01b0\u1edbc quan tr\u1ecdng<\/strong> trong qu\u00e1 tr\u00ecnh ph\u1ee7 b\u1ed9t, \u0111\u1ea3m b\u1ea3o <strong>s\u1ef1 b\u00e1m d\u00ednh ch\u1eafc ch\u1eafn, \u0111\u1ed9 b\u1ec1n v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n h\u1ea3o<\/strong>. Trong khi c\u00f3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf, phun c\u00e1t v\u1eabn l\u00e0 <strong>ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/strong> \u0111\u1ec3 chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t kim lo\u1ea1i cho l\u1edbp ph\u1ee7.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u1edbp ph\u1ee7 b\u1ed9t mang l\u1ea1i l\u1edbp ho\u00e0n thi\u1ec7n b\u1ec1n \u0111\u1eb9p v\u00e0 h\u1ea5p d\u1eabn cho c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i, nh\u01b0ng c\u00f3 c\u1ea7n phun c\u00e1t tr\u01b0\u1edbc kh\u00f4ng? C\u00f3, phun c\u00e1t l\u00e0 [\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":"","_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-100","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/posts\/100","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=100"}],"version-history":[{"count":4,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/posts\/100\/revisions"}],"predecessor-version":[{"id":170,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/posts\/100\/revisions\/170"}],"wp:attachment":[{"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/media?parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/categories?post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coatinglinekt.seott.net\/vi\/wp-json\/wp\/v2\/tags?post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}