{"id":5656,"date":"2025-01-16T08:19:04","date_gmt":"2025-01-16T08:19:04","guid":{"rendered":"https:\/\/heatresistantfabric.com\/?p=5656"},"modified":"2025-01-16T08:24:13","modified_gmt":"2025-01-16T08:24:13","slug":"choosing-welding-blanket-for-different-welding-processes","status":"publish","type":"post","link":"https:\/\/heatresistantfabric.com\/vn\/choosing-welding-blanket-for-different-welding-processes\/","title":{"rendered":"Ch\u1ecdn ch\u0103n h\u00e0n ph\u00f9 h\u1ee3p cho c\u00e1c quy tr\u00ecnh h\u00e0n kh\u00e1c nhau: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n"},"content":{"rendered":"<p><\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><nav><ul><li class=\"\"><a href=\"#1-mig-metal-inert-gas-welding\">1. H\u00e0n MIG (Kh\u00ed tr\u01a1 kim lo\u1ea1i)<\/a><ul><li class=\"\"><a href=\"#requirements\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#2-tig-tungsten-inert-gas-welding\">2. H\u00e0n TIG (Kh\u00ed tr\u01a1 vonfram)<\/a><ul><li class=\"\"><a href=\"#requirements-1\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket-2\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#3-stick-welding-shielded-metal-arc-welding\">3. H\u00e0n que (H\u00e0n h\u1ed3 quang kim lo\u1ea1i c\u00f3 b\u1ea3o v\u1ec7)<\/a><ul><li class=\"\"><a href=\"#requirements-3\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket-4\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#4-flux-cored-arc-welding-fcaw\">4. H\u00e0n h\u1ed3 quang l\u00f5i thu\u1ed1c (FCAW)<\/a><ul><li class=\"\"><a href=\"#requirements-5\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket-6\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#5-oxy-acetylene-welding-cutting-oxy-fuel-welding\">5. H\u00e0n\/C\u1eaft Oxy-Axetilen (H\u00e0n Oxy-Nhi\u00ean li\u1ec7u)<\/a><ul><li class=\"\"><a href=\"#requirements-7\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket-8\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#6-plasma-cutting\">6. C\u1eaft Plasma<\/a><ul><li class=\"\"><a href=\"#requirements-9\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket-10\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#7-underwater-welding\">7. H\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc<\/a><ul><li class=\"\"><a href=\"#requirements-11\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket-12\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#8-heavy-duty-industrial-welding-e-g-structural-steel-or-large-scale-fabrication\">8. H\u00e0n c\u00f4ng nghi\u1ec7p n\u1eb7ng (v\u00ed d\u1ee5: k\u1ebft c\u1ea5u th\u00e9p ho\u1eb7c ch\u1ebf t\u1ea1o quy m\u00f4 l\u1edbn)<\/a><ul><li class=\"\"><a href=\"#requirements-13\">Y\u00eau c\u1ea7u<\/a><\/li><li class=\"\"><a href=\"#recommended-blanket-14\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#general-considerations-for-welding-blankets\">Nh\u1eefng c\u00e2n nh\u1eafc chung v\u1ec1 ch\u0103n h\u00e0n<\/a><ul><li class=\"\"><a href=\"#heat-resistance\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/a><\/li><li class=\"\"><a href=\"#durability\">\u0110\u1ed9 b\u1ec1n<\/a><\/li><li class=\"\"><a href=\"#size-and-coverage\">K\u00edch th\u01b0\u1edbc v\u00e0 ph\u1ea1m vi ph\u1ee7 s\u00f3ng<\/a><\/li><li class=\"\"><a href=\"#fire-resistance\">Ch\u1ed1ng ch\u00e1y<\/a><\/li><li class=\"\"><a href=\"#ease-of-handling\">D\u1ec5 d\u00e0ng x\u1eed l\u00fd<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>H\u00e0n l\u00e0 m\u1ed9t quy tr\u00ecnh quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, t\u1eeb s\u1ea3n xu\u1ea5t \u0111\u1ebfn x\u00e2y d\u1ef1ng. Tuy nhi\u00ean, n\u00f3 c\u0169ng \u0111i k\u00e8m v\u1edbi nhi\u1ec1u r\u1ee7i ro do nhi\u1ec7t, tia l\u1eeda v\u00e0 b\u1eafn t\u00f3e ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao <strong><a href=\"https:\/\/heatresistantfabric.com\/vn\/applications\/welding-blankets\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#fea500\" class=\"has-inline-color\">ch\u0103n h\u00e0n<\/mark><\/a><\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 kh\u00f4ng gian l\u00e0m vi\u1ec7c, ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb. Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u0103n h\u00e0n ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i quy tr\u00ecnh h\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u00ec m\u1ed7i quy tr\u00ecnh t\u1ea1o ra l\u01b0\u1ee3ng nhi\u1ec7t, tia l\u1eeda v\u00e0 b\u1eafn t\u00f3e kh\u00e1c nhau. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u chi ti\u1ebft c\u00e1c h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn ch\u0103n h\u00e0n cho c\u00e1c quy tr\u00ecnh h\u00e0n kh\u00e1c nhau, c\u00f9ng v\u1edbi m\u1ed9t s\u1ed1 l\u01b0u \u00fd chung c\u1ea7n ghi nh\u1edb.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/heatresistantfabric.com\/wp-content\/uploads\/2024\/08\/Welding-Blankets-from-Suntex-600x600-1.webp\" alt=\"Ch\u0103n h\u00e0n t\u1eeb Suntex\" class=\"wp-image-2559\" srcset=\"https:\/\/heatresistantfabric.com\/wp-content\/uploads\/2024\/08\/Welding-Blankets-from-Suntex-600x600-1.webp 600w, https:\/\/heatresistantfabric.com\/wp-content\/uploads\/2024\/08\/Welding-Blankets-from-Suntex-600x600-1-300x300.webp 300w, https:\/\/heatresistantfabric.com\/wp-content\/uploads\/2024\/08\/Welding-Blankets-from-Suntex-600x600-1-150x150.webp 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-mig-metal-inert-gas-welding\">1. H\u00e0n MIG (Kh\u00ed tr\u01a1 kim lo\u1ea1i)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>H\u00e0n MIG \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1edd t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn tia l\u1eeda v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n cao. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u0103n h\u00e0n c\u1ea7n ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c kh\u00f4ng ch\u1ec9 c\u00e1c tia l\u1eeda b\u1eafn ra trong qu\u00e1 tr\u00ecnh h\u00e0n m\u00e0 c\u00f2n c\u1ea3 nhi\u1ec7t \u0111\u1ed9 tr\u1ef1c ti\u1ebfp. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u00fang c\u00e1ch, c\u00e1c khu v\u1ef1c xung quanh c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ea1i do tia l\u1eeda v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao, ti\u1ec1m \u1ea9n nguy c\u01a1 h\u1ecfa ho\u1ea1n ho\u1eb7c h\u01b0 h\u1ecfng c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: S\u1ee3i th\u1ee7y tinh ho\u1eb7c <a href=\"https:\/\/heatresistantfabric.com\/vn\/product-category\/silicone-coated-fiebrglass-fabric\/\">s\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon<\/a> \u0110\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng cho h\u00e0n MIG. S\u1ee3i th\u1ee7y tinh c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u01a1 b\u1ea3n t\u1ed1t, trong khi l\u1edbp ph\u1ee7 silicon b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7. L\u1edbp ph\u1ee7 silicon gi\u00fap ch\u0103n ch\u1ed1ng b\u00e1m d\u00ednh t\u1ed1t h\u01a1n, cho ph\u00e9p d\u1ec5 d\u00e0ng v\u1ec7 sinh v\u00e0 t\u00e1i s\u1eed d\u1ee5ng. N\u00f3 c\u0169ng n\u00e2ng cao \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3 c\u1ee7a ch\u0103n, \u0111\u1ea3m b\u1ea3o ch\u0103n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 kh\u1eafc nghi\u1ec7t c\u1ee7a h\u00e0n MIG theo th\u1eddi gian.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: \u0110\u1ed9 d\u00e0y l\u00fd t\u01b0\u1edfng t\u1eeb 0,5mm \u0111\u1ebfn 1mm. \u0110\u1ed9 d\u00e0y n\u00e0y c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 d\u1ebbo v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t. N\u00f3 \u0111\u1ee7 d\u00e0y \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi nhi\u1ec7t v\u00e0 b\u1eafn t\u00f3e do h\u00e0n MIG t\u1ea1o ra, nh\u01b0ng c\u0169ng \u0111\u1ee7 m\u1ecfng \u0111\u1ec3 d\u1ec5 d\u00e0ng thao t\u00e1c v\u00e0 \u0111\u1ecbnh v\u1ecb xung quanh khu v\u1ef1c h\u00e0n.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t l\u00ean \u0111\u1ebfn 1.000\u00b0F (538\u00b0C). M\u1ee9c nhi\u1ec7t \u0111\u1ed9 n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u0103n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh h\u00e0n MIG th\u00f4ng th\u01b0\u1eddng m\u00e0 kh\u00f4ng b\u1ecb n\u00f3ng ch\u1ea3y ho\u1eb7c ph\u00e2n h\u1ee7y. Ngo\u00e0i ra, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a ch\u0103n r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c tia l\u1eeda nh\u1ecf \u0111\u1eb7c tr\u01b0ng c\u1ee7a h\u00e0n MIG. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba m\u1ecdi nguy c\u01a1 b\u1eaft l\u1eeda t\u1eeb c\u00e1c v\u1eadt li\u1ec7u g\u1ea7n \u0111\u00f3, \u0111\u1ea3m b\u1ea3o an to\u00e0n cho khu v\u1ef1c l\u00e0m vi\u1ec7c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-tig-tungsten-inert-gas-welding\">2. H\u00e0n TIG (Kh\u00ed tr\u01a1 vonfram)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements-1\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>H\u00e0n TIG n\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u m\u1ed1i h\u00e0n s\u1ea1ch. So v\u1edbi h\u00e0n MIG, h\u00e0n TIG \u00edt b\u1eafn t\u00f3e h\u01a1n. Tuy nhi\u00ean, n\u00f3 v\u1eabn t\u1ecfa nhi\u1ec7t, v\u00e0 khu v\u1ef1c xung quanh c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi nhi\u1ec7t n\u00e0y c\u0169ng nh\u01b0 b\u1ea5t k\u1ef3 tia l\u1eeda \u0111i\u1ec7n ti\u1ec1m \u1ea9n ho\u1eb7c l\u01b0\u1ee3ng nh\u1ecf b\u1eafn t\u00f3e n\u00e0o c\u00f3 th\u1ec3 x\u1ea3y ra. Do \u0111\u00f3, m\u1ed9t t\u1ea5m ch\u0103n h\u00e0n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng xung quanh l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket-2\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: Ch\u0103n h\u00e0n s\u1ee3i th\u1ee7y tinh ho\u1eb7c g\u1ed1m l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho h\u00e0n TIG. S\u1ee3i th\u1ee7y tinh cung c\u1ea5p v\u1eadt li\u1ec7u n\u1ec1n \u0111\u00e1ng tin c\u1eady v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t. M\u1eb7t kh\u00e1c, ch\u0103n h\u00e0n g\u1ed1m c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n v\u00e0 \u0111\u1eb7c bi\u1ec7t t\u1ed1t trong vi\u1ec7c ch\u1ecbu nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh h\u00e0n TIG nh\u1edd th\u00e0nh ph\u1ea7n g\u1ed1m \u0111\u1ed9c \u0111\u00e1o. Ch\u00fang c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i v\u00e0 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3, gi\u1ea3m thi\u1ec3u nguy c\u01a1 h\u01b0 h\u1ecfng do nhi\u1ec7t g\u00e2y ra cho khu v\u1ef1c xung quanh.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u00e0n MIG, \u0111\u1ed9 d\u00e0y t\u1eeb 0,5mm \u0111\u1ebfn 1mm l\u00e0 ph\u00f9 h\u1ee3p. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p d\u1ec5 d\u00e0ng x\u1eed l\u00fd v\u00e0 l\u1eafp \u0111\u1eb7t ch\u0103n, \u0111\u1ed3ng th\u1eddi v\u1eabn \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u0111\u1ea7y \u0111\u1ee7 tr\u01b0\u1edbc m\u1ee9c nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i th\u01b0\u1eddng th\u1ea5y \u1edf h\u00e0n TIG.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb n\u00ean c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i l\u00ean \u0111\u1ebfn 1.200\u00b0F (649\u00b0C). Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u0103n c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh h\u00e0n TIG m\u00e0 kh\u00f4ng g\u1eb7p b\u1ea5t k\u1ef3 s\u1ef1 c\u1ed1 n\u00e0o, b\u1ea3o v\u1ec7 khu v\u1ef1c l\u00e0m vi\u1ec7c v\u00e0 c\u00e1c v\u1eadt th\u1ec3 xung quanh kh\u1ecfi nguy c\u01a1 h\u01b0 h\u1ecfng do nhi\u1ec7t ho\u1eb7c h\u1ecfa ho\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-stick-welding-shielded-metal-arc-welding\">3. H\u00e0n que (H\u00e0n h\u1ed3 quang kim lo\u1ea1i c\u00f3 b\u1ea3o v\u1ec7)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements-3\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>H\u00e0n que, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 H\u00e0n h\u1ed3 quang kim lo\u1ea1i c\u00f3 v\u1ecf b\u1ecdc (SMAW), l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u00e0n ph\u1ed5 bi\u1ebfn t\u1ea1o ra nhi\u1ec7t l\u01b0\u1ee3ng cao v\u00e0 l\u01b0\u1ee3ng l\u1edbn tia l\u1eeda h\u00e0n. Nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 l\u01b0\u1ee3ng l\u1edbn tia l\u1eeda h\u00e0n c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng cho khu v\u1ef1c l\u00e0m vi\u1ec7c xung quanh, bao g\u1ed3m thi\u1ebft b\u1ecb, v\u1eadt li\u1ec7u v\u00e0 th\u1eadm ch\u00ed c\u1ea3 c\u00f4ng nh\u00e2n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u00fang c\u00e1ch. Do \u0111\u00f3, m\u1ed9t t\u1ea5m ch\u0103n h\u00e0n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi lo\u1ea1i h\u00ecnh h\u00e0n n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket-4\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: S\u1ee3i th\u1ee7y tinh ch\u1ecbu l\u1ef1c, s\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon, ho\u1eb7c aramid l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho h\u00e0n que. S\u1ee3i th\u1ee7y tinh ch\u1ecbu l\u1ef1c d\u00e0y v\u00e0 ch\u1eafc ch\u1eafn, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a tia l\u1eeda h\u00e0n. S\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a s\u1ee3i th\u1ee7y tinh v\u1edbi nh\u1eefng l\u1ee3i \u00edch b\u1ed5 sung c\u1ee7a l\u1edbp ph\u1ee7 silicon, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng tia l\u1eeda h\u00e0n v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n. Aramid, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1eb7c t\u00ednh ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n cao, c\u0169ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n b\u1ea3o v\u1ec7 th\u00eam tr\u01b0\u1edbc \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a h\u00e0n que.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: \u0110\u1ed9 d\u00e0y c\u1ea7n thi\u1ebft t\u1eeb 1mm \u0111\u1ebfn 2mm. \u0110\u1ed9 d\u00e0y n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 l\u01b0\u1ee3ng l\u1edbn b\u1eafn t\u00f3e t\u1ea1o ra trong qu\u00e1 tr\u00ecnh h\u00e0n que. N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng li\u00ean t\u1ee5c c\u1ee7a b\u1eafn t\u00f3e v\u00e0 ti\u1ebfp x\u00fac li\u00ean t\u1ee5c v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao l\u00ean \u0111\u1ebfn 1.500\u00b0F (815\u00b0C) \u0111\u1ec3 ng\u0103n ng\u1eeba ch\u00e1y n\u1ed5 v\u1eadt li\u1ec7u g\u1ea7n \u0111\u00f3. M\u1ee9c ch\u1ecbu nhi\u1ec7t cao n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 khu v\u1ef1c l\u00e0m vi\u1ec7c kh\u1ecfi nhi\u1ec7t sinh ra t\u1eeb qu\u00e1 tr\u00ecnh h\u00e0n que. Ngo\u00e0i ra, ch\u0103n c\u00f2n cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 b\u1ed5 sung cho khu v\u1ef1c l\u00e0m vi\u1ec7c, che ch\u1eafn ch\u00fang kh\u1ecfi c\u00e1c tia l\u1eeda h\u00e0n v\u00e0 nhi\u1ec7t, do \u0111\u00f3 gi\u1ea3m nguy c\u01a1 h\u01b0 h\u1ecfng v\u00e0 duy tr\u00ec m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c an to\u00e0n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-flux-cored-arc-welding-fcaw\">4. H\u00e0n h\u1ed3 quang l\u00f5i thu\u1ed1c (FCAW)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements-5\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>H\u00e0n h\u1ed3 quang l\u00f5i thu\u1ed1c (FCAW) t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u00e0n MIG \u1edf ch\u1ed7 n\u00f3 t\u1ea1o ra nhi\u1ec1u tia l\u1eeda v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. L\u00f5i thu\u1ed1c trong d\u00e2y h\u00e0n g\u00f3p ph\u1ea7n t\u1ea1o ra nhi\u1ec1u tia l\u1eeda h\u01a1n, v\u00e0 b\u1ea3n th\u00e2n qu\u00e1 tr\u00ecnh h\u00e0n c\u0169ng t\u1ea1o ra l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u00e1ng k\u1ec3. Do \u0111\u00f3, c\u1ea7n c\u00f3 m\u1ed9t l\u1edbp ph\u1ee7 h\u00e0n c\u00f3 th\u1ec3 x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u1ec3 b\u1ea3o v\u1ec7 khu v\u1ef1c xung quanh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket-6\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: Khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u s\u1ee3i th\u1ee7y tinh ho\u1eb7c ph\u1ee7 g\u1ed1m ch\u1ecbu l\u1ef1c cao cho FCAW. S\u1ee3i th\u1ee7y tinh ch\u1ecbu l\u1ef1c cao t\u1ea1o n\u00ean l\u1edbp n\u1ec1n ch\u1eafc ch\u1eafn v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t v\u00e0 b\u1eafn t\u00f3e. V\u1eadt li\u1ec7u ph\u1ee7 g\u1ed1m mang l\u1ea1i l\u1edbp b\u1ea3o v\u1ec7 b\u1ed5 sung v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ed1ng b\u1eafn t\u00f3e. L\u1edbp ph\u1ee7 g\u1ed1m c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ng\u0103n kh\u00f4ng cho b\u1eafn t\u00f3e d\u00ednh v\u00e0o ch\u0103n, gi\u00fap vi\u1ec7c v\u1ec7 sinh v\u00e0 b\u1ea3o tr\u00ec d\u1ec5 d\u00e0ng h\u01a1n.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: N\u00ean s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 c\u00f3 \u0111\u1ed9 d\u00e0y t\u1eeb 1mm \u0111\u1ebfn 2mm. \u0110\u1ed9 d\u00e0y n\u00e0y \u0111\u1ea3m b\u1ea3o l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 b\u1eafn t\u00f3e do h\u00e0n FCAW t\u1ea1o ra m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i. L\u1edbp ph\u1ee7 n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ee7 \u0111\u1ec3 gi\u1eef cho khu v\u1ef1c xung quanh an to\u00e0n kh\u1ecfi t\u00e1c \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh h\u00e0n.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n ph\u1ea3i ch\u1ecbu nhi\u1ec7t \u0111\u1ebfn 1.500\u00b0F (815\u00b0C) ho\u1eb7c cao h\u01a1n v\u00e0 ch\u1ed1ng ch\u00e1y \u0111\u1ec3 ch\u1ed1ng l\u1ea1i tia l\u1eeda v\u00e0 b\u1eafn t\u00f3e. Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao cho ph\u00e9p ch\u0103n ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh h\u00e0n FCAW, \u0111\u1ed3ng th\u1eddi t\u00ednh n\u0103ng ch\u1ed1ng ch\u00e1y \u0111\u1ea3m b\u1ea3o ch\u0103n kh\u00f4ng d\u1ec5 b\u1eaft l\u1eeda khi ti\u1ebfp x\u00fac v\u1edbi tia l\u1eeda v\u00e0 b\u1eafn t\u00f3e, gi\u1ea3m thi\u1ec3u nguy c\u01a1 h\u1ecfa ho\u1ea1n t\u1ea1i khu v\u1ef1c l\u00e0m vi\u1ec7c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-oxy-acetylene-welding-cutting-oxy-fuel-welding\">5. H\u00e0n\/C\u1eaft Oxy-Axetilen (H\u00e0n Oxy-Nhi\u00ean li\u1ec7u)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements-7\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>H\u00e0n\/C\u1eaft Oxy-Axetilen, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 H\u00e0n Oxy-Nhi\u00ean li\u1ec7u, l\u00e0 m\u1ed9t quy tr\u00ecnh t\u1ea1o ra nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao v\u00e0 th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn ng\u1ecdn l\u1eeda d\u1eef d\u1ed9i. Nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 nguy c\u01a1 ch\u00e1y n\u1ed5 r\u1ea5t \u0111\u00e1ng k\u1ec3, khi\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn ch\u0103n h\u00e0n cho quy tr\u00ecnh n\u00e0y. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u00fang c\u00e1ch, khu v\u1ef1c xung quanh c\u00f3 th\u1ec3 nhanh ch\u00f3ng b\u1ecb nh\u1ea5n ch\u00ecm trong ng\u1ecdn l\u1eeda ho\u1eb7c b\u1ecb h\u01b0 h\u1ea1i nghi\u00eam tr\u1ecdng do nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket-8\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: G\u1ed1m, s\u1ee3i th\u1ee7y tinh ho\u1eb7c silica l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho h\u00e0n Oxy-Axetilen. V\u1eadt li\u1ec7u g\u1ed1m \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi ng\u1ecdn l\u1eeda. S\u1ee3i th\u1ee7y tinh c\u0169ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn linh ho\u1ea1t \u0111\u1ec3 ph\u1ee7 l\u00ean c\u00e1c khu v\u1ef1c kh\u00e1c nhau. Silica, v\u1edbi \u0111i\u1ec3m n\u00f3ng ch\u1ea3y cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao sinh ra t\u1eeb quy tr\u00ecnh h\u00e0n n\u00e0y.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: \u0110\u1ed9 d\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 t\u1eeb 1mm \u0111\u1ebfn 2mm. \u0110\u1ed9 d\u00e0y n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ea7n thi\u1ebft kh\u1ecfi nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi ng\u1ecdn l\u1eeda, \u0111\u1ed3ng th\u1eddi v\u1eabn d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed v\u00e0 thao t\u00e1c xung quanh khu v\u1ef1c h\u00e0n.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n h\u00e0n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t l\u00ean \u0111\u1ebfn 2.000\u00b0F (1.093\u00b0C), c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c ng\u1ecdn l\u1eeda tr\u1ef1c ti\u1ebfp. Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u0103n h\u00e0n c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 khu v\u1ef1c xung quanh, thi\u1ebft b\u1ecb v\u00e0 ng\u01b0\u1eddi lao \u0111\u1ed9ng kh\u1ecfi nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 nguy c\u01a1 h\u1ecfa ho\u1ea1n li\u00ean quan \u0111\u1ebfn h\u00e0n Oxy-Axetilen.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-plasma-cutting\">6. C\u1eaft Plasma<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements-9\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>C\u1eaft plasma l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u1ea1o ra nhi\u1ec7t c\u1ee5c b\u1ed9 m\u1ea1nh v\u00e0 c\u00e1c m\u1ea3nh v\u1ee5n kim lo\u1ea1i nh\u1ecf. Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t xung quanh, v\u00e0 c\u00e1c m\u1ea3nh v\u1ee5n kim lo\u1ea1i c\u00f3 th\u1ec3 g\u00e2y tr\u1ea7y x\u01b0\u1edbc ho\u1eb7c c\u00e1c d\u1ea1ng h\u01b0 h\u1ecfng kh\u00e1c n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn \u0111\u00fang c\u00e1ch. Do \u0111\u00f3, c\u1ea7n c\u00f3 m\u1ed9t l\u1edbp ph\u1ee7 h\u00e0n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao n\u00e0y v\u00e0 b\u1ea3o v\u1ec7 khu v\u1ef1c xung quanh kh\u1ecfi c\u1ea3 nhi\u1ec7t v\u00e0 c\u00e1c m\u1ea3nh v\u1ee5n kim lo\u1ea1i bay ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket-10\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: S\u1ee3i th\u1ee7y tinh ho\u1eb7c silica l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t cho c\u1eaft plasma. S\u1ee3i th\u1ee7y tinh c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u00e1ng tin c\u1eady, t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9 v\u00e0 d\u1ec5 x\u1eed l\u00fd. Silica, v\u1edbi \u0111\u1eb7c t\u00ednh nhi\u1ec7t tuy\u1ec7t v\u1eddi, c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao sinh ra trong qu\u00e1 tr\u00ecnh c\u1eaft plasma v\u00e0 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn b\u1ec1n b\u1ec9 \u0111\u1ec3 b\u1ea3o v\u1ec7 khu v\u1ef1c l\u00e0m vi\u1ec7c.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: \u0110\u1ed9 d\u00e0y t\u1eeb 1mm \u0111\u1ebfn 1,5mm l\u00e0 ph\u00f9 h\u1ee3p. \u0110\u1ed9 d\u00e0y n\u00e0y c\u00e2n b\u1eb1ng gi\u1eefa kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 nhi\u1ec7t v\u00e0 \u0111\u1ed9 linh ho\u1ea1t \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u b\u1ec1 m\u1eb7t v\u00e0 khu v\u1ef1c kh\u00e1c nhau xung quanh qu\u00e1 tr\u00ecnh c\u1eaft plasma.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n ph\u1ea3i ch\u1ecbu nhi\u1ec7t \u0111\u1ebfn 1.500\u00b0F (815\u00b0C) ho\u1eb7c cao h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t kh\u1ecfi nhi\u1ec7t v\u00e0 tia l\u1eeda. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u0103n c\u00f3 th\u1ec3 che ch\u1eafn hi\u1ec7u qu\u1ea3 khu v\u1ef1c xung quanh kh\u1ecfi nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 c\u00e1c m\u1ea3nh v\u1ee5n kim lo\u1ea1i nh\u1ecf sinh ra trong qu\u00e1 tr\u00ecnh c\u1eaft plasma, duy tr\u00ec m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c an to\u00e0n v\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-underwater-welding\">7. H\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements-11\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>H\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc l\u00e0 m\u1ed9t quy tr\u00ecnh chuy\u00ean bi\u1ec7t v\u00e0 \u0111\u1ea7y th\u00e1ch th\u1ee9c, \u0111\u00f2i h\u1ecfi ch\u0103n h\u00e0n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt. M\u00f4i tr\u01b0\u1eddng d\u01b0\u1edbi n\u01b0\u1edbc c\u00e0ng l\u00e0m t\u0103ng th\u00eam \u0111\u1ed9 ph\u1ee9c t\u1ea1p, v\u00ec ch\u0103n h\u00e0n c\u1ea7n ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng t\u1ed1t d\u01b0\u1edbi \u00e1p su\u1ea5t cao v\u00e0 trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc. Vi\u1ec7c gia c\u1ed1 l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 v\u1eady.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket-12\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: Ch\u0103n s\u1ee3i th\u1ee7y tinh gia c\u01b0\u1eddng ho\u1eb7c ch\u0103n l\u00e0m t\u1eeb Kevlar \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng cho h\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc. S\u1ee3i th\u1ee7y tinh gia c\u01b0\u1eddng k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a s\u1ee3i th\u1ee7y tinh v\u1edbi \u0111\u1ed9 b\u1ec1n \u0111\u01b0\u1ee3c gia c\u01b0\u1eddng, cho ph\u00e9p ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao d\u01b0\u1edbi n\u01b0\u1edbc. Ch\u0103n l\u00e0m t\u1eeb Kevlar n\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u1eafc ch\u1eafn v\u01b0\u1ee3t tr\u1ed9i, ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a h\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc. Ch\u00fang c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n h\u00e0n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, ch\u1ed1ng ch\u00e1y v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 khu v\u1ef1c h\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ho\u1ea1t \u0111\u1ed9ng h\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc. T\u00ednh n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc gi\u00fap ng\u0103n n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a ch\u0103n h\u00e0n ho\u1eb7c g\u00e2y h\u01b0 h\u1ecfng cho ch\u0103n, trong khi t\u00ednh n\u0103ng ch\u1ed1ng ch\u00e1y v\u00e0 ch\u1ecbu nhi\u1ec7t b\u1ea3o v\u1ec7 kh\u1ecfi nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh h\u00e0n, gi\u1ea3m nguy c\u01a1 h\u1ecfa ho\u1ea1n v\u00e0 h\u01b0 h\u1ecfng cho c\u00e1c c\u00f4ng tr\u00ecnh d\u01b0\u1edbi n\u01b0\u1edbc.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"8-heavy-duty-industrial-welding-e-g-structural-steel-or-large-scale-fabrication\">8. H\u00e0n c\u00f4ng nghi\u1ec7p n\u1eb7ng (v\u00ed d\u1ee5: k\u1ebft c\u1ea5u th\u00e9p ho\u1eb7c ch\u1ebf t\u1ea1o quy m\u00f4 l\u1edbn)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"requirements-13\">Y\u00eau c\u1ea7u<\/h3>\n\n\n\n<p>Trong h\u00e0n c\u00f4ng nghi\u1ec7p n\u1eb7ng, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0n k\u1ebft c\u1ea5u th\u00e9p ho\u1eb7c ch\u1ebf t\u1ea1o quy m\u00f4 l\u1edbn, vi\u1ec7c b\u1ea3o v\u1ec7 ng\u01b0\u1eddi lao \u0111\u1ed9ng, thi\u1ebft b\u1ecb v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. B\u1ea3n ch\u1ea5t quy m\u00f4 l\u1edbn c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u00e0n n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi l\u01b0\u1ee3ng l\u1edbn tia l\u1eeda h\u00e0n v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. M\u1ed9t l\u1edbp ph\u1ee7 h\u00e0n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia l\u1eeda, nhi\u1ec7t v\u00e0 ng\u1ecdn l\u1eeda cao, \u0111\u1ed3ng th\u1eddi b\u1ec1n b\u1ec9 \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 v\u1eady l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"recommended-blanket-14\">Ch\u0103n \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u<\/strong>: S\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon ho\u1eb7c aramid \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng cho h\u00e0n c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng. S\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi, \u0111\u1ed3ng th\u1eddi l\u1edbp ph\u1ee7 silicon gi\u00fap ch\u1ed1ng b\u1eafn t\u00f3e v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi ng\u1ecdn l\u1eeda. V\u1edbi \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao, aramid r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a h\u00e0n c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: \u0110\u1ed9 d\u00e0y l\u00fd t\u01b0\u1edfng t\u1eeb 1,5mm \u0111\u1ebfn 2mm. L\u1edbp ph\u1ee7 d\u00e0y h\u01a1n n\u00e0y mang l\u1ea1i kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n tr\u01b0\u1edbc l\u01b0\u1ee3ng l\u1edbn tia l\u1eeda h\u00e0n v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao th\u01b0\u1eddng th\u1ea5y trong qu\u00e1 tr\u00ecnh h\u00e0n c\u00f4ng nghi\u1ec7p n\u1eb7ng. N\u00f3 \u0111\u1ea3m b\u1ea3o l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 kh\u1eafc nghi\u1ec7t c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t n\u00e0y m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng nhanh ch\u00f3ng.<\/li>\n\n\n\n<li><strong>\u0110\u1eb7c tr\u01b0ng<\/strong>: Ch\u0103n h\u00e0n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia l\u1eeda, nhi\u1ec7t v\u00e0 ng\u1ecdn l\u1eeda cao, \u0111\u1ed3ng th\u1eddi b\u1ec1n b\u1ec9 \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ch\u0103n h\u00e0n b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 khu v\u1ef1c l\u00e0m vi\u1ec7c, ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb kh\u1ecfi c\u00e1c m\u1ed1i nguy hi\u1ec3m kh\u00e1c nhau li\u00ean quan \u0111\u1ebfn h\u00e0n c\u00f4ng nghi\u1ec7p n\u1eb7ng, g\u00f3p ph\u1ea7n \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng h\u00e0n an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Quy tr\u00ecnh h\u00e0n<\/strong><\/td><td><strong>C\u00e1c lo\u1ea1i ch\u0103n h\u00e0n ph\u00f9 h\u1ee3p<\/strong><\/td><\/tr><tr><td><span style=\"color: rgba(0, 0, 0, 0.85); font-family: Inter, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;SF Pro SC&quot;, &quot;SF Pro Display&quot;, &quot;SF Pro Icons&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 16px; white-space-collapse: collapse;\">H\u00e0n MIG (Kim lo\u1ea1i kh\u00ed tr\u01a1)<\/span><\/td><td>V\u1eadt li\u1ec7u: S\u1ee3i th\u1ee7y tinh ho\u1eb7c s\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon.<br>\u0110\u1ed9 d\u00e0y: 0,5mm \u2013 1mm.<br>T\u00ednh n\u0103ng: Ch\u1ecbu nhi\u1ec7t l\u00ean \u0111\u1ebfn 1.000\u00b0F (538\u00b0C), c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c tia b\u1eafn nh\u1ecf.<\/td><\/tr><tr><td>H\u00e0n TIG (Kh\u00ed tr\u01a1 vonfram)<\/td><td>V\u1eadt li\u1ec7u: Ch\u0103n h\u00e0n l\u00e0m t\u1eeb s\u1ee3i th\u1ee7y tinh ho\u1eb7c g\u1ed1m.<br>\u0110\u1ed9 d\u00e0y: 0,5mm \u2013 1mm.<br>T\u00ednh n\u0103ng: Ch\u1ed1ng ch\u00e1y, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i l\u00ean t\u1edbi 1.200\u00b0F (649\u00b0C).<\/td><\/tr><tr><td>H\u00e0n que (H\u00e0n h\u1ed3 quang kim lo\u1ea1i c\u00f3 b\u1ea3o v\u1ec7)<\/td><td>V\u1eadt li\u1ec7u: S\u1ee3i th\u1ee7y tinh ch\u1ecbu l\u1ef1c, s\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon ho\u1eb7c aramid.<br>\u0110\u1ed9 d\u00e0y: 1mm \u2013 2mm.<br>T\u00ednh n\u0103ng: Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao l\u00ean \u0111\u1ebfn 1.500\u00b0F (815\u00b0C) \u0111\u1ec3 ng\u0103n ng\u1eeba ch\u00e1y n\u1ed5 v\u1eadt li\u1ec7u g\u1ea7n \u0111\u00f3. B\u1ea3o v\u1ec7 t\u1ed1i \u0111a cho khu v\u1ef1c l\u00e0m vi\u1ec7c.<\/td><\/tr><tr><td>H\u00e0n h\u1ed3 quang l\u00f5i thu\u1ed1c (FCAW)<\/td><td>V\u1eadt li\u1ec7u: S\u1ee3i th\u1ee7y tinh ch\u1ecbu l\u1ef1c ho\u1eb7c v\u1eadt li\u1ec7u ph\u1ee7 g\u1ed1m.<br>\u0110\u1ed9 d\u00e0y: 1mm \u2013 2mm.<br>T\u00ednh n\u0103ng: Ch\u1ecbu nhi\u1ec7t \u0111\u1ebfn 1.500\u00b0F (815\u00b0C) ho\u1eb7c cao h\u01a1n, ch\u1ed1ng ch\u00e1y \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tia l\u1eeda v\u00e0 tia b\u1eafn.<\/td><\/tr><tr><td>H\u00e0n\/C\u1eaft Oxy-Axetilen (H\u00e0n Oxy-Nhi\u00ean li\u1ec7u)<\/td><td>V\u1eadt li\u1ec7u: G\u1ed1m, s\u1ee3i th\u1ee7y tinh ho\u1eb7c silica.<br>\u0110\u1ed9 d\u00e0y: 1mm \u2013 2mm.<br>T\u00ednh n\u0103ng: Ch\u1ecbu nhi\u1ec7t l\u00ean \u0111\u1ebfn 2.000\u00b0F (1.093\u00b0C), c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c ng\u1ecdn l\u1eeda tr\u1ef1c ti\u1ebfp.<\/td><\/tr><tr><td>C\u1eaft Plasma<\/td><td>V\u1eadt li\u1ec7u: S\u1ee3i th\u1ee7y tinh ho\u1eb7c silica.<br>\u0110\u1ed9 d\u00e0y: 1mm \u2013 1,5mm.<br>T\u00ednh n\u0103ng: Ch\u1ecbu nhi\u1ec7t \u0111\u1ebfn 1.500\u00b0F (815\u00b0C) ho\u1eb7c cao h\u01a1n, c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t kh\u1ecfi nhi\u1ec7t v\u00e0 tia l\u1eeda.<\/td><\/tr><tr><td>H\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc<\/td><td>V\u1eadt li\u1ec7u: Ch\u0103n l\u00e0m t\u1eeb s\u1ee3i th\u1ee7y tinh gia c\u1ed1 ho\u1eb7c s\u1ee3i Kevlar.<br>T\u00ednh n\u0103ng: Ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, ch\u1ed1ng ch\u00e1y v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao.<\/td><\/tr><tr><td>H\u00e0n c\u00f4ng nghi\u1ec7p n\u1eb7ng (v\u00ed d\u1ee5, k\u1ebft c\u1ea5u th\u00e9p ho\u1eb7c ch\u1ebf t\u1ea1o quy m\u00f4 l\u1edbn)<\/td><td>V\u1eadt li\u1ec7u: S\u1ee3i th\u1ee7y tinh ph\u1ee7 silicon ho\u1eb7c aramid.<br>\u0110\u1ed9 d\u00e0y: 1,5mm \u2013 2mm.<br>T\u00ednh n\u0103ng: Kh\u1ea3 n\u0103ng ch\u1ed1ng tia l\u1eeda, nhi\u1ec7t v\u00e0 ng\u1ecdn l\u1eeda cao; b\u1ec1n b\u1ec9 khi s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"general-considerations-for-welding-blankets\">Nh\u1eefng c\u00e2n nh\u1eafc chung v\u1ec1 ch\u0103n h\u00e0n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heat-resistance\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/h3>\n\n\n\n<p>Lu\u00f4n ch\u1ecdn ch\u0103n ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n quy tr\u00ecnh h\u00e0n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t bi\u00ean \u0111\u1ed9 an to\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u0103n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh h\u00e0n m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i ho\u1eb7c kh\u00f4ng b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c khu v\u1ef1c xung quanh. V\u00ed d\u1ee5, n\u1ebfu quy tr\u00ecnh h\u00e0n th\u01b0\u1eddng t\u1ea1o ra nhi\u1ec7t l\u00ean \u0111\u1ebfn 1.000\u00b0F (538\u00b0C), vi\u1ec7c ch\u1ecdn ch\u0103n c\u00f3 m\u1ee9c ch\u1ecbu nhi\u1ec7t t\u1eeb 1.200\u00b0F (649\u00b0C) tr\u1edf l\u00ean s\u1ebd l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn th\u1eadn tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"durability\">\u0110\u1ed9 b\u1ec1n<\/h3>\n\n\n\n<p>H\u00e3y c\u00e2n nh\u1eafc t\u1ea7n su\u1ea5t v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 s\u1eed d\u1ee5ng. Trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n th\u01b0\u1eddng xuy\u00ean ho\u1eb7c li\u00ean quan \u0111\u1ebfn c\u00e1c quy tr\u00ecnh h\u00e0n c\u01b0\u1eddng \u0111\u1ed9 cao nh\u01b0 h\u00e0n c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng, c\u1ea7n c\u00f3 l\u1edbp ph\u1ee7 d\u00e0y h\u01a1n v\u00e0 b\u1ec1n h\u01a1n. L\u1edbp ph\u1ee7 d\u00e0y h\u01a1n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao, b\u1eafn t\u00f3e v\u00e0 c\u00e1c m\u1ed1i nguy hi\u1ec3m h\u00e0n kh\u00e1c, \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 l\u00e2u d\u00e0i v\u00e0 gi\u1ea3m nhu c\u1ea7u thay th\u1ebf th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"size-and-coverage\">K\u00edch th\u01b0\u1edbc v\u00e0 ph\u1ea1m vi ph\u1ee7 s\u00f3ng<\/h3>\n\n\n\n<p>\u0110\u1ea3m b\u1ea3o ch\u0103n \u0111\u1ee7 l\u1edbn \u0111\u1ec3 che ph\u1ee7 khu v\u1ef1c xung quanh m\u1ed1i h\u00e0n, bao g\u1ed3m c\u1ea3 nh\u1eefng khu v\u1ef1c c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi tia l\u1eeda h\u00e0n ho\u1eb7c nhi\u1ec7t. M\u1ed9t t\u1ea5m ch\u0103n c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p ph\u1ea3i ph\u1ee7 r\u1ed9ng ra ngo\u00e0i khu v\u1ef1c h\u00e0n \u0111\u1ec3 tr\u00e1nh s\u1ef1 lan truy\u1ec1n c\u1ee7a tia l\u1eeda h\u00e0n v\u00e0 nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng cho thi\u1ebft b\u1ecb, v\u1eadt li\u1ec7u ho\u1eb7c c\u00e1c v\u1eadt d\u1ee5ng kh\u00e1c trong khu v\u1ef1c l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fire-resistance\">Ch\u1ed1ng ch\u00e1y<\/h3>\n\n\n\n<p>T\u1ea5t c\u1ea3 ch\u0103n h\u00e0n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y ho\u1eb7c ch\u1ed1ng n\u1ed5 \u0111\u1ec3 ng\u0103n ng\u1eeba nguy c\u01a1 h\u1ecfa ho\u1ea1n. \u0110\u00e2y l\u00e0 m\u1ed9t t\u00ednh n\u0103ng an to\u00e0n quan tr\u1ecdng v\u00ec quy tr\u00ecnh h\u00e0n v\u1ed1n d\u0129 li\u00ean quan \u0111\u1ebfn nhi\u1ec7t v\u00e0 tia l\u1eeda, c\u00f3 th\u1ec3 \u0111\u1ed1t ch\u00e1y c\u00e1c v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y trong khu v\u1ef1c xung quanh. Ch\u0103n ch\u1ed1ng ch\u00e1y ho\u1eb7c ch\u1ed1ng n\u1ed5 c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ch\u1eb7n m\u1ecdi \u0111\u00e1m ch\u00e1y ti\u1ec1m \u1ea9n v\u00e0 b\u1ea3o v\u1ec7 khu v\u1ef1c l\u00e0m vi\u1ec7c kh\u1ecfi thi\u1ec7t h\u1ea1i \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ease-of-handling\">D\u1ec5 d\u00e0ng x\u1eed l\u00fd<\/h3>\n\n\n\n<p>Ch\u0103n h\u00e0n nh\u1eb9 v\u00e0 linh ho\u1ea1t d\u1ec5 d\u00e0ng x\u1eed l\u00fd v\u00e0 l\u1eafp \u0111\u1eb7t. Ch\u00fang c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed xung quanh khu v\u1ef1c h\u00e0n, \u0111i\u1ec1u ch\u1ec9nh khi c\u1ea7n thi\u1ebft v\u00e0 c\u1ea5t gi\u1eef khi kh\u00f4ng s\u1eed d\u1ee5ng. S\u1ef1 ti\u1ec7n l\u1ee3i n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o ch\u0103n h\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng li\u00ean t\u1ee5c, t\u1ed1i \u0111a h\u00f3a l\u1ee3i \u00edch b\u1ea3o v\u1ec7.<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p lo\u1ea1i h\u00e0n v\u1edbi ch\u0103n h\u00e0n ph\u00f9 h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, b\u1ea3o v\u1ec7 v\u00e0 hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh h\u00e0n. Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u0103n h\u00e0n ph\u00f9 h\u1ee3p l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec m\u00f4i tr\u01b0\u1eddng h\u00e0n an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3, d\u00f9 l\u00e0 d\u1ef1 \u00e1n t\u1ef1 l\u00e0m nh\u1ecf hay ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn.<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u00e0n l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, t\u1eeb s\u1ea3n xu\u1ea5t \u0111\u1ebfn x\u00e2y d\u1ef1ng. Tuy nhi\u00ean, n\u00f3 \u0111i k\u00e8m v\u1edbi nhi\u1ec1u r\u1ee7i ro do nhi\u1ec7t, tia l\u1eeda v\u00e0 b\u1eafn t\u00f3e t\u1ea1o ra trong qu\u00e1 tr\u00ecnh h\u00e0n. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u0103n h\u00e0n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 kh\u00f4ng gian l\u00e0m vi\u1ec7c, ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb. Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u0103n h\u00e0n ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o [\u2026]<\/p>","protected":false},"author":1,"featured_media":5658,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[45],"tags":[50,51,57,56],"class_list":["post-5656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-fireproof-blanket","tag-welding-blanket","tag-welding-fire-blankets","tag-welding-protection"],"acf":[],"_links":{"self":[{"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/posts\/5656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/comments?post=5656"}],"version-history":[{"count":3,"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/posts\/5656\/revisions"}],"predecessor-version":[{"id":5661,"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/posts\/5656\/revisions\/5661"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/media\/5658"}],"wp:attachment":[{"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/media?parent=5656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/categories?post=5656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/heatresistantfabric.com\/vn\/wp-json\/wp\/v2\/tags?post=5656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}