{"id":1426,"date":"2025-12-14T00:34:22","date_gmt":"2025-12-13T17:34:22","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/bao-duong-va-phuc-hoi-inox-guong-xuoc-mo-quy-trinh-chuan\/"},"modified":"2025-12-14T00:34:22","modified_gmt":"2025-12-13T17:34:22","slug":"bao-duong-va-phuc-hoi-inox-guong-xuoc-mo-quy-trinh-chuan","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/bao-duong-va-phuc-hoi-inox-guong-xuoc-mo-quy-trinh-chuan\/","title":{"rendered":"B\u1ea3o d\u01b0\u1ee1ng v\u00e0 ph\u1ee5c h\u1ed3i Inox g\u01b0\u01a1ng, x\u01b0\u1edbc, m\u1edd: quy tr\u00ecnh chu\u1ea9n"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tong-quan-nhanh-be-mat-inox-va-rui-ro-dien-hinh\">T\u1ed5ng quan nhanh: b\u1ec1 m\u1eb7t Inox v\u00e0 r\u1ee7i ro \u0111i\u1ec3n h\u00ecnh<\/a><\/li>\n<li><a href=\"#toc-1-nguyen-tac-an-toan-ap-dung-cho-moi-be-mat\">Nguy\u00ean t\u1eafc an to\u00e0n \u00e1p d\u1ee5ng cho m\u1ecdi b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-2-lich-bao-duong-dinh-ky-theo-moi-truong\">L\u1ecbch b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 theo m\u00f4i tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-3-phuc-hoi-inox-guong-no8ba-quy-trinh-chuan\">Ph\u1ee5c h\u1ed3i Inox g\u01b0\u01a1ng (No.8\/BA): quy tr\u00ecnh chu\u1ea9n<\/a><\/li>\n<li><a href=\"#toc-4-phuc-hoi-inox-xuochairline-no4hl\">Ph\u1ee5c h\u1ed3i Inox x\u01b0\u1edbc\/hairline (No.4\/HL)<\/a><\/li>\n<li><a href=\"#toc-5-phuc-hoi-inox-mosatin-2b2d-non-woven\">Ph\u1ee5c h\u1ed3i Inox m\u1edd\/satin (2B\/2D, non-woven)<\/a><\/li>\n<li><a href=\"#toc-6-xu-ly-vet-han-o-vang-va-ri-tra\">X\u1eed l\u00fd v\u1ebft h\u00e0n, \u1ed1 v\u00e0ng v\u00e0 \u201cr\u1ec9 tr\u00e0\u201d<\/a><\/li>\n<li><a href=\"#toc-7-thi-cong-tai-cong-trinh-vs-tai-xuong\">Thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u00ecnh vs t\u1ea1i x\u01b0\u1edfng<\/a><\/li>\n<li><a href=\"#toc-8-dung-cu-vat-tu-khuyen-nghi\">D\u1ee5ng c\u1ee5, v\u1eadt t\u01b0 khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-9-kiem-tra-chat-luong-va-nghiem-thu\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 nghi\u1ec7m thu<\/a><\/li>\n<li><a href=\"#toc-10-khac-phuc-nhanh-theo-loi-thuong-gap\">Kh\u1eafc ph\u1ee5c nhanh theo l\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-11-chi-phi-va-nang-suat-tham-khao\">Chi ph\u00ed v\u00e0 n\u0103ng su\u1ea5t tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-12-goi-y-phong-ngua-sau-phuc-hoi\">G\u1ee3i \u00fd ph\u00f2ng ng\u1eeba sau ph\u1ee5c h\u1ed3i<\/a><\/li>\n<li><a href=\"#toc-13-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Inox b\u1ec1n nh\u01b0ng m\u1eb7t ngo\u00e0i d\u1ec5 \u201cxu\u1ed1ng c\u1ea5p\u201d n\u1ebfu ch\u1ecdn sai h\u00f3a ch\u1ea5t, c\u00f4ng c\u1ee5 ho\u1eb7c quy tr\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ph\u1ee5c h\u1ed3i ba ho\u00e0n thi\u1ec7n ph\u1ed5 bi\u1ebfn: g\u01b0\u01a1ng (No.8\/BA), x\u01b0\u1edbc (No.4\/HL) v\u00e0 m\u1edd\/satin (2B\/2D, Scotch-Brite). \u0110\u00e2y l\u00e0 m\u1ea3nh gh\u00e9p quan tr\u1ecdng trong ngh\u1ec7 thu\u1eadt ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t Inox, tr\u1ef1c ti\u1ebfp quy\u1ebft \u0111\u1ecbnh th\u1ea9m m\u1ef9, tu\u1ed5i th\u1ecd v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n<h2 id=\"toc-0-tong-quan-nhanh-be-mat-inox-va-rui-ro-dien-hinh\">T\u1ed5ng quan nhanh: b\u1ec1 m\u1eb7t Inox v\u00e0 r\u1ee7i ro \u0111i\u1ec3n h\u00ecnh<\/h2>\n<p>&#8211; Inox g\u01b0\u01a1ng (No.8\/BA): Ra ~ \u22640,05 \u03bcm, ph\u1ea3n x\u1ea1 cao. Nh\u1ea1y x\u01b0\u1edbc l\u00f4ng m\u00e8o, \u1ed1 n\u01b0\u1edbc, \u201cv\u1ecf cam\u201d n\u1ebfu \u0111\u00e1nh b\u00f3ng qu\u00e1 nhi\u1ec7t.<br \/>\n&#8211; Inox x\u01b0\u1edbc\/hairline (No.4\/HL): Ra ~0,3\u20130,6 \u03bcm. R\u1ee7i ro loang v\u00e2n, \u201c\u0111\u1ee9t h\u1ea1t\u201d khi pha h\u1ea1t nh\u00e1m sai ho\u1eb7c kh\u00f4ng theo h\u01b0\u1edbng v\u00e2n.<br \/>\n&#8211; Inox m\u1edd\/satin (2B\/2D, non-woven): Ra ~0,1\u20130,3 \u03bcm (2B), v\u00e2n m\u1ec1m. D\u1ec5 l\u1ed9 v\u1ec7t xo\u00e1y n\u1ebfu d\u00f9ng m\u00e1y qu\u1ef9 \u0111\u1ea1o kh\u00f4ng \u0111\u00fang \u0111\u0129a.  <\/p>\n<p>\u1ea2nh h\u01b0\u1edfng b\u1edfi m\u00e1c th\u00e9p v\u00e0 m\u00f4i tr\u01b0\u1eddng:<br \/>\n&#8211; 304 d\u00f9ng trong \u0111\u00f4 th\u1ecb\/xa bi\u1ec3n; 316\/316L khuy\u1ebfn ngh\u1ecb v\u00f9ng bi\u1ec3n, h\u1ed3 b\u01a1i (ion Cl- cao). 201 nh\u1ea1y \u201cr\u1ec9 tr\u00e0\u201d (tea staining) h\u01a1n, c\u1ea7n b\u1ea3o tr\u00ec d\u00e0y h\u01a1n.<br \/>\n&#8211; Kh\u00f4ng d\u00f9ng chung d\u1ee5ng c\u1ee5 v\u1edbi th\u00e9p carbon \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m s\u1eaft g\u00e2y ch\u1ea5m n\u00e2u.<\/p>\n<h2 id=\"toc-1-nguyen-tac-an-toan-ap-dung-cho-moi-be-mat\">Nguy\u00ean t\u1eafc an to\u00e0n \u00e1p d\u1ee5ng cho m\u1ecdi b\u1ec1 m\u1eb7t<\/h2>\n<p>&#8211; H\u00f3a ch\u1ea5t an to\u00e0n:<br \/>\n  &#8211; T\u1ea9y r\u1eeda pH trung t\u00ednh (6\u20138), n\u01b0\u1edbc \u1ea5m 40\u201350\u00b0C.<br \/>\n  &#8211; D\u1ea7u m\u1ee1\/d\u1ea5u tay: isopropyl alcohol (IPA) 70\u201399% ho\u1eb7c dung m\u00f4i nh\u1eb9 g\u1ed1c kho\u00e1ng\/d-limonene, sau \u0111\u00f3 r\u1eeda x\u00e0 ph\u00f2ng trung t\u00ednh.<br \/>\n  &#8211; C\u1eb7n kho\u00e1ng\/v\u1ec7t n\u01b0\u1edbc c\u1ee9ng: acid citric 5\u201310% ho\u1eb7c gi\u1ea5m 5% (ti\u1ebfp x\u00fac 5\u201310 ph\u00fat), ch\u00e0 m\u1ec1m, x\u1ea3 k\u1ef9.<br \/>\n  &#8211; V\u1ec7t n\u00e2u nh\u1eb9\/tea staining s\u1edbm: ch\u1ea5t t\u1ea9y g\u1ed1c oxalic ho\u1eb7c phosphoric; x\u1ea3 n\u01b0\u1edbc DI.<br \/>\n&#8211; Tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh: ch\u1ea5t t\u1ea9y ch\u1ee9a chloride (Javen), HCl, len th\u00e9p (steel wool).<br \/>\n&#8211; N\u01b0\u1edbc r\u1eeda cu\u1ed1i: \u01b0u ti\u00ean n\u01b0\u1edbc DI\/RO ho\u1eb7c n\u01b0\u1edbc c\u00f3 Cl- th\u1ea5p, lau kh\u00f4 ngay \u0111\u1ec3 tr\u00e1nh v\u1ec7t mu\u1ed1i.<br \/>\n&#8211; D\u1ee5ng c\u1ee5: kh\u0103n microfiber, pad nylon tr\u1eafng\/xanh, b\u00e0n ch\u1ea3i nylon ho\u1eb7c Inox ri\u00eang.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 \u00e1p l\u1ef1c khi m\u00e0i\/\u0111\u00e1nh b\u00f3ng; l\u00e0m m\u00e1t \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 tr\u00e1nh bi\u1ebfn m\u00e0u.<br \/>\n&#8211; Lu\u00f4n th\u1eed \u1edf g\u00f3c khu\u1ea5t, \u0111\u1ecdc SDS c\u1ee7a h\u00f3a ch\u1ea5t, trang b\u1ecb PPE \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<h2 id=\"toc-2-lich-bao-duong-dinh-ky-theo-moi-truong\">L\u1ecbch b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 theo m\u00f4i tr\u01b0\u1eddng<\/h2>\n<p>&#8211; Trong nh\u00e0 (kh\u00f4ng b\u1ee5i d\u1ea7u): 1\u20133 th\u00e1ng\/l\u1ea7n, lau \u01b0\u1edbt x\u00e0 ph\u00f2ng trung t\u00ednh, x\u1ea3 v\u00e0 lau kh\u00f4.<br \/>\n&#8211; \u0110\u00f4 th\u1ecb\/ven \u0111\u01b0\u1eddng (b\u1ee5i, NOx): 1\u20132 th\u00e1ng\/l\u1ea7n.<br \/>\n&#8211; Ven bi\u1ec3n\/h\u1ed3 b\u01a1i (Cl- cao, C4\u2013C5 theo ISO 9223): 2\u20134 tu\u1ea7n\/l\u1ea7n; phun r\u1eeda n\u01b0\u1edbc ng\u1ecdt r\u1ed3i lau s\u1ea1ch.<br \/>\n&#8211; Sau m\u1ed7i 6\u201312 th\u00e1ng: t\u00e1i passivation nh\u1eb9 b\u1eb1ng dung d\u1ecbch citric theo khuy\u1ebfn c\u00e1o nh\u00e0 s\u1ea3n xu\u1ea5t (n\u1ebfu b\u1ec1 m\u1eb7t ch\u1ecbu t\u00e1c \u0111\u1ed9ng m\u1ea1nh).<\/p>\n<h2 id=\"toc-3-phuc-hoi-inox-guong-no8ba-quy-trinh-chuan\">Ph\u1ee5c h\u1ed3i Inox g\u01b0\u01a1ng (No.8\/BA): quy tr\u00ecnh chu\u1ea9n<\/h2>\n<h3>Khi n\u00e0o ch\u1ec9 c\u1ea7n v\u1ec7 sinh, khi n\u00e0o ph\u1ea3i m\u00e0i\u2013\u0111\u00e1nh b\u00f3ng<\/h3>\n<p>&#8211; Ch\u1ec9 v\u1ec7 sinh: \u1ed1 n\u01b0\u1edbc, d\u1ea5u tay, m\u1edd nh\u1eb9 do d\u1ea7u.<br \/>\n&#8211; C\u1ea7n m\u00e0i\/\u0111\u00e1nh b\u00f3ng: x\u01b0\u1edbc nh\u00ecn th\u1ea5y b\u1eb1ng m\u00f3ng tay, v\u1ec7t m\u00e0i xo\u00e1y, v\u1ebft h\u00e0n \u0111\u00e3 t\u1ea9y nhi\u1ec7t, \u201cv\u1ecf cam\u201d.<\/p>\n<h3>D\u1ee5ng c\u1ee5 v\u00e0 v\u1eadt t\u01b0<\/h3>\n<p>&#8211; Nh\u00e1m kh\u00f4\/\u01b0\u1edbt: P600, 800, 1200, 1500, 2000 (Al\u2082O\u2083\/silicon carbide).<br \/>\n&#8211; M\u00e1y m\u00e0i t\u1ed1c \u0111\u1ed9 bi\u1ebfn thi\u00ean v\u1edbi \u0111\u1ebf \u0111\u1ee1 ph\u1eb3ng; pad m\u00fat\/da c\u1eebu.<br \/>\n&#8211; B\u00e1nh gi\u1ebb\/b\u00e1nh sisal\u2013cotton; h\u1ee3p ch\u1ea5t \u0111\u00e1nh b\u00f3ng:<br \/>\n  &#8211; C\u1eaft m\u1ea1nh: h\u1ee3p ch\u1ea5t Cr\u2082O\u2083 (m\u00e0u xanh) ho\u1eb7c Al\u2082O\u2083 \u201ccutting\u201d.<br \/>\n  &#8211; Ho\u00e0n thi\u1ec7n: h\u1ee3p ch\u1ea5t tr\u1eafng \u201cfinishing\u201d.<br \/>\n&#8211; Dung d\u1ecbch l\u00e0m m\u00e1t, IPA, kh\u0103n microfiber, b\u0103ng che m\u00e9p, th\u01b0\u1edbc th\u1eb3ng ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng.<\/p>\n<h3>Tr\u00ecnh t\u1ef1 kh\u00f4i ph\u1ee5c<\/h3>\n<p>1) L\u00e0m s\u1ea1ch v\u00e0 kh\u1eed d\u1ea7u ho\u00e0n to\u00e0n; che m\u00e9p, tay n\u1eafm, khu v\u1ef1c kh\u00f4ng x\u1eed l\u00fd.<br \/>\n2) X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u x\u01b0\u1edbc:<br \/>\n   &#8211; X\u01b0\u1edbc n\u00f4ng: kh\u1edfi \u0111\u1ed9ng P800.<br \/>\n   &#8211; X\u01b0\u1edbc s\u00e2u: P400\u2013600 tr\u01b0\u1edbc, ch\u1ec9 c\u1eaft v\u1eeba \u0111\u1ee7 x\u00f3a v\u1ebft.<br \/>\n3) M\u00e0i ph\u1eb3ng theo qu\u1ef9 \u0111\u1ea1o th\u1eb3ng, ch\u1ed3ng l\u1eabn 30\u201350%, thay n\u01b0\u1edbc r\u1eeda b\u1ed9t m\u00e0i li\u00ean t\u1ee5c. Ti\u1ebfn d\u1ea7n: P800 \u2192 P1200 \u2192 P1500 \u2192 P2000.<br \/>\n4) \u0110\u00e1nh b\u00f3ng:<br \/>\n   &#8211; B\u01b0\u1edbc c\u1eaft: b\u00e1nh sisal\u2013cotton + h\u1ee3p ch\u1ea5t c\u1eaft, t\u1ed1c \u0111\u1ed9 1.800\u20132.800 rpm, \u00e1p l\u1ef1c nh\u1eb9\u2013trung b\u00ecnh.<br \/>\n   &#8211; B\u01b0\u1edbc ho\u00e0n thi\u1ec7n: b\u00e1nh b\u00f4ng m\u1ec1m + h\u1ee3p ch\u1ea5t tr\u1eafng \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u1ed9 soi g\u01b0\u01a1ng \u0111\u1ed3ng \u0111\u1ec1u.<br \/>\n5) T\u1ea9y c\u1eb7n h\u1ee3p ch\u1ea5t b\u1eb1ng IPA, r\u1eeda n\u01b0\u1edbc DI, lau kh\u00f4.<br \/>\n6) Passivation: dung d\u1ecbch citric 4\u201310% (theo ASTM A967) ti\u1ebfp x\u00fac \u0111\u1ee7 th\u1eddi gian nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb; x\u1ea3 DI, s\u1ea5y kh\u00f4.<br \/>\n7) B\u1ea3o v\u1ec7: ph\u1ee7 s\u00e1p vi tinh th\u1ec3 ho\u1eb7c sealant nano SiO\u2082 (t\u00f9y \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng).<\/p>\n<p>L\u01b0u \u00fd k\u1ef9 thu\u1eadt:<br \/>\n&#8211; Ki\u1ec3m so\u00e1t ph\u1eb3ng: lu\u00f4n d\u00f9ng \u0111\u1ebf c\u1ee9ng \u1edf c\u00e1c pass nh\u00e1m \u0111\u1ec3 tr\u00e1nh \u201cg\u1ee3n s\u00f3ng\u201d.<br \/>\n&#8211; Kh\u00f4ng t\u1ea1o nhi\u1ec7t v\u00f9ng c\u1ee5c b\u1ed9; n\u1ebfu \u1ea5m tay, d\u1eebng l\u00e0m m\u00e1t.<br \/>\n&#8211; M\u1ee5c ti\u00eau tham kh\u1ea3o: Ra ~\u22640,05 \u03bcm; \u0111\u1ed9 b\u00f3ng 60\u00b0 c\u00f3 th\u1ec3 >90 GU (tham kh\u1ea3o theo thi\u1ebft b\u1ecb \u0111o).<\/p>\n<h2 id=\"toc-4-phuc-hoi-inox-xuochairline-no4hl\">Ph\u1ee5c h\u1ed3i Inox x\u01b0\u1edbc\/hairline (No.4\/HL)<\/h2>\n<h3>Nguy\u00ean t\u1eafc v\u00e0ng: lu\u00f4n theo h\u01b0\u1edbng v\u00e2n<\/h3>\n<p>&#8211; X\u00e1c \u0111\u1ecbnh chi\u1ec1u v\u00e2n hi\u1ec7n h\u1eefu. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng xoay v\u00f2ng\/c\u1eaft ch\u00e9o.<\/p>\n<h3>D\u1ee5ng c\u1ee5 v\u00e0 chu\u1ed7i h\u1ea1t nh\u00e1m<\/h3>\n<p>&#8211; M\u00e1y ch\u00e0 tuy\u1ebfn t\u00ednh\/b\u0103ng, pad linear.<br \/>\n&#8211; Nh\u00e1m 120\/150 \u2192 180 \u2192 240 \u2192 320 (t\u00f9y \u0111\u1ed9 th\u00f4 v\u00e2n g\u1ed1c).<br \/>\n&#8211; T\u1ea5m non-woven (Scotch-Brite) Medium \u2192 Very Fine \u0111\u1ec3 \u201cl\u00e0m m\u1ec1m\u201d v\u00e2n.<br \/>\n&#8211; N\u1eb9p d\u1eabn h\u01b0\u1edbng \u0111\u1ec3 gi\u1eef \u0111\u01b0\u1eddng v\u00e2n th\u1eb3ng tr\u00ean m\u1ea3ng l\u1edbn.<\/p>\n<h3>Quy tr\u00ecnh<\/h3>\n<p>1) V\u1ec7 sinh v\u00e0 kh\u1eed d\u1ea7u.<br \/>\n2) \u0110\u00e1nh lo\u1ea1i b\u1ecf khuy\u1ebft t\u1eadt b\u1eb1ng h\u1ea1t nh\u00e1m th\u1ea5p nh\u1ea5t \u0111\u1ee7 x\u00f3a x\u01b0\u1edbc.<br \/>\n3) T\u1ea1o l\u1ea1i v\u00e2n: t\u0103ng d\u1ea7n t\u1edbi 240\/320 cho No.4 ph\u1ed5 th\u00f4ng; m\u1ed7i c\u1ea5p \u0111i \u0111\u1ee7 s\u1ed1 pass \u0111\u1ec3 x\u00f3a to\u00e0n b\u1ed9 v\u1ebft c\u1ea5p tr\u01b0\u1edbc.<br \/>\n4) K\u1ebft th\u00fac b\u1eb1ng non-woven Very Fine \u0111\u1ec3 \u0111\u1ed3ng \u0111\u1ec1u \u00e1nh m\u1edd.<br \/>\n5) R\u1eeda s\u1ea1ch b\u1ee5i m\u00e0i, lau kh\u00f4; passivation nh\u1eb9 (citric) n\u1ebfu l\u00e0m ngo\u00e0i tr\u1eddi\/ven bi\u1ec3n.<\/p>\n<p>M\u1eb9o \u0111\u1ed3ng \u0111\u1ec1u m\u00e0u:<br \/>\n&#8211; L\u00e0m tr\u1ecdn t\u1ea5m\/\u00f4 panel thay v\u00ec v\u00e1 \u0111\u1ed1m nh\u1ecf \u0111\u1ec3 tr\u00e1nh \u201c\u00f4 k\u00ednh\u201d.<br \/>\n&#8211; \u0110\u00e1nh l\u1ea5n m\u00e9p 5\u201310 cm \u0111\u1ec3 h\u00f2a tr\u1ed9n v\u00f9ng c\u0169\u2013m\u1edbi.<\/p>\n<h2 id=\"toc-5-phuc-hoi-inox-mosatin-2b2d-non-woven\">Ph\u1ee5c h\u1ed3i Inox m\u1edd\/satin (2B\/2D, non-woven)<\/h2>\n<p>&#8211; Tr\u01b0\u1eddng h\u1ee3p nh\u1eb9: ch\u1ec9 c\u1ea7n t\u1ea9y d\u1ea7u, t\u1ea9y c\u1eb7n kho\u00e1ng b\u1eb1ng citric\/gi\u1ea5m, r\u1eeda DI.<br \/>\n&#8211; N\u1ebfu c\u00f3 x\u01b0\u1edbc l\u00f4ng m\u00e8o: d\u00f9ng non-woven Fine\/Very Fine theo chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng m\u1ed9t chi\u1ec1u ho\u1eb7c qu\u1ef9 \u0111\u1ea1o r\u1ed9ng, \u00e1p l\u1ef1c r\u1ea5t nh\u1eb9, sau \u0111\u00f3 l\u00e0m \u0111\u1ec1u to\u00e0n t\u1ea5m.<br \/>\n&#8211; Tr\u00e1nh nh\u00e1m qu\u00e1 th\u00f4 (\u2264P240) v\u00ec s\u1ebd t\u1ea1o v\u00e2n r\u00f5, l\u00e0m m\u1ea5t hi\u1ec7u \u1ee9ng satin g\u1ed1c.<\/p>\n<h2 id=\"toc-6-xu-ly-vet-han-o-vang-va-ri-tra\">X\u1eed l\u00fd v\u1ebft h\u00e0n, \u1ed1 v\u00e0ng v\u00e0 \u201cr\u1ec9 tr\u00e0\u201d<\/h2>\n<p>&#8211; V\u1ec7t nhi\u1ec7t (heat tint) sau h\u00e0n:<br \/>\n  &#8211; C\u01a1 h\u1ecdc: m\u00e0i tinh + non-woven, sau \u0111\u00f3 passivation.<br \/>\n  &#8211; H\u00f3a h\u1ecdc: pickling paste (th\u01b0\u1eddng HNO\u2083 + HF) b\u00f3c oxide n\u1eb7ng. Ch\u1ec9 th\u1ee3 \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n s\u1eed d\u1ee5ng, tu\u00e2n th\u1ee7 SDS, trung h\u00f2a v\u00e0 x\u1ea3 r\u1eeda theo quy \u0111\u1ecbnh.<br \/>\n&#8211; R\u1ec9 tr\u00e0 do Cl- v\u00e0 b\u1ee5i s\u1eaft: t\u1ea9y b\u1eb1ng oxalic\/phosphoric; sau \u0111\u00f3 passivation citric ho\u1eb7c nitric theo ASTM A967; c\u1ea3i thi\u1ec7n l\u1ecbch r\u1eeda n\u01b0\u1edbc ng\u1ecdt \u1edf c\u00f4ng tr\u00ecnh ven bi\u1ec3n.<br \/>\n&#8211; Electropolishing (n\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n x\u01b0\u1edfng): cho b\u1ec1 m\u1eb7t b\u00f3ng h\u01a1n, s\u1ea1ch, t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n (ASTM B912).<\/p>\n<h2 id=\"toc-7-thi-cong-tai-cong-trinh-vs-tai-xuong\">Thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u00ecnh vs t\u1ea1i x\u01b0\u1edfng<\/h2>\n<p>&#8211; C\u00f4ng tr\u00ecnh: \u01b0u ti\u00ean gi\u1ea3i ph\u00e1p \u00edt b\u1ee5i, \u00edt ti\u1ebfng \u1ed3n, t\u1ea5m che b\u1ee5i, h\u00fat b\u1ee5i HEPA. Gi\u1edbi h\u1ea1n nhi\u1ec7t, ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh.<br \/>\n&#8211; X\u01b0\u1edfng: ki\u1ec3m so\u00e1t ph\u1eb3ng, b\u1ee5i v\u00e0 tu\u1ea7n t\u1ef1 h\u1ea1t nh\u00e1m t\u1ed1t h\u01a1n; c\u00f3 th\u1ec3 \u0111\u1ea1t g\u01b0\u01a1ng cao, electropolish, \u0111o ki\u1ec3m Ra ch\u00ednh x\u00e1c.<\/p>\n<h2 id=\"toc-8-dung-cu-vat-tu-khuyen-nghi\">D\u1ee5ng c\u1ee5, v\u1eadt t\u01b0 khuy\u1ebfn ngh\u1ecb<\/h2>\n<p>&#8211; Nh\u00e1m kh\u00f4\/\u01b0\u1edbt P400\u2013P2000; non-woven Medium\/Fine\/Very Fine.<br \/>\n&#8211; M\u00e1y ch\u00e0 tuy\u1ebfn t\u00ednh, ch\u00e0 qu\u1ef9 \u0111\u1ea1o 2,5\u20135 mm; b\u00e1nh sisal\u2013cotton, b\u00e1nh b\u00f4ng.<br \/>\n&#8211; H\u1ee3p ch\u1ea5t \u0111\u00e1nh b\u00f3ng Al\u2082O\u2083\/Cr\u2082O\u2083 cho Inox.<br \/>\n&#8211; H\u00f3a ch\u1ea5t: x\u00e0 ph\u00f2ng pH trung t\u00ednh; IPA; citric 5\u201310%; oxalic\/phosphoric; gel passivation \u0111\u1ea1t ASTM A967; tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng Javen.<br \/>\n&#8211; D\u1ee5ng c\u1ee5 \u0111o: glossmeter 60\u00b0, m\u00e1y \u0111o \u0111\u1ed9 nh\u00e1m (profilometer), th\u01b0\u1edbc th\u1eb3ng, \u0111\u00e8n r\u1ecdi 5.000\u20136.500 K.<\/p>\n<h2 id=\"toc-9-kiem-tra-chat-luong-va-nghiem-thu\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 nghi\u1ec7m thu<\/h2>\n<p>&#8211; Quan s\u00e1t \u00e1nh xi\u00ean 30\u201345\u00b0, ki\u1ec3m tra \u0111\u1ed3ng \u0111\u1ec1u v\u00e2n v\u00e0 ph\u1ea3n x\u1ea1.<br \/>\n&#8211; \u0110o Ra theo y\u00eau c\u1ea7u ho\u00e0n thi\u1ec7n; \u0111o \u0111\u1ed9 b\u00f3ng v\u1edbi g\u00f3c chu\u1ea9n 60\u00b0.<br \/>\n&#8211; Ki\u1ec3m tra \u0111\u1ed3ng nh\u1ea5t m\u00e0u s\u1eafc gi\u1eefa c\u00e1c panel; th\u1eed n\u01b0\u1edbc: phun s\u01b0\u01a1ng v\u00e0 quan s\u00e1t v\u1ec7t b\u00e1m.<br \/>\n&#8211; Bi\u00ean b\u1ea3n h\u00f3a ch\u1ea5t \u0111\u00e3 d\u00f9ng, th\u1eddi gian ti\u1ebfp x\u00fac, quy tr\u00ecnh x\u1ea3 r\u1eeda.<\/p>\n<h2 id=\"toc-10-khac-phuc-nhanh-theo-loi-thuong-gap\">Kh\u1eafc ph\u1ee5c nhanh theo l\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; V\u1ec7t n\u01b0\u1edbc tr\u1eafng: lau l\u1ea1i v\u1edbi citric 5% trong 5 ph\u00fat, x\u1ea3 DI, lau kh\u00f4.<br \/>\n&#8211; D\u1ea5u tay d\u1ea7u: IPA, sau \u0111\u00f3 x\u00e0 ph\u00f2ng trung t\u00ednh.<br \/>\n&#8211; V\u1ebft keo\/nh\u1ef1a: dung m\u00f4i d-limonene ho\u1eb7c kho\u00e1ng; r\u1eeda l\u1ea1i x\u00e0 ph\u00f2ng.<br \/>\n&#8211; Ch\u1ea5m n\u00e2u li ti: oxalic nh\u1eb9 + pad nylon, x\u1ea3 k\u1ef9 v\u00e0 passivation.<br \/>\n&#8211; V\u1ebft xo\u00e1y do m\u00e1y: quay l\u1ea1i c\u1ea5p nh\u00e1m tr\u01b0\u1edbc \u0111\u00f3, d\u00f9ng \u0111\u1ebf ph\u1eb3ng v\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2 id=\"toc-11-chi-phi-va-nang-suat-tham-khao\">Chi ph\u00ed v\u00e0 n\u0103ng su\u1ea5t tham kh\u1ea3o<\/h2>\n<p>&#8211; G\u01b0\u01a1ng: 0,8\u20131,5 m\u00b2\/gi\u1edd (ph\u1ee5 thu\u1ed9c \u0111\u1ed9 x\u01b0\u1edbc, ph\u1ea3i \u0111\u00e1nh nhi\u1ec1u c\u1ea5p).<br \/>\n&#8211; X\u01b0\u1edbc: 2\u20134 m\u00b2\/gi\u1edd v\u1edbi m\u00e1y tuy\u1ebfn t\u00ednh v\u00e0 chu\u1ed7i 180\u2192240\u2192320.<br \/>\n&#8211; M\u1edd\/satin: 3\u20135 m\u00b2\/gi\u1edd n\u1ebfu ch\u1ee7 y\u1ebfu v\u1ec7 sinh v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u h\u00f3a b\u1eb1ng non-woven.<br \/>\nL\u01b0u \u00fd: \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf, tay ngh\u1ec1 v\u00e0 y\u00eau c\u1ea7u nghi\u1ec7m thu s\u1ebd l\u00e0m thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3.<\/p>\n<h2 id=\"toc-12-goi-y-phong-ngua-sau-phuc-hoi\">G\u1ee3i \u00fd ph\u00f2ng ng\u1eeba sau ph\u1ee5c h\u1ed3i<\/h2>\n<p>&#8211; R\u1eeda \u0111\u1ecbnh k\u1ef3 v\u00e0 lau kh\u00f4, nh\u1ea5t l\u00e0 ven bi\u1ec3n.<br \/>\n&#8211; B\u1ecbt k\u00edn khe h\u1edf \u0111\u1ecdng mu\u1ed1i\/n\u01b0\u1edbc (crevice).<br \/>\n&#8211; Tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi mu\u1ed1i, axit clohydric, ch\u1ea5t t\u1ea9y b\u1ed3n v\u1ec7 sinh.<br \/>\n&#8211; Ph\u1ee7 s\u00e1p\/ceramic m\u1ecfng 6\u201312 th\u00e1ng\/l\u1ea7n cho khu v\u1ef1c kh\u1eafc nghi\u1ec7t.<\/p>\n<h2 id=\"toc-13-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A967\/A967M \u2013 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts.<br \/>\n&#8211; ASTM A380 \u2013 Cleaning, Descaling, and Passivation of Stainless Steel Parts.<br \/>\n&#8211; ASTM B912 \u2013 Passivation of Stainless Steels Using Electropolishing.<br \/>\n&#8211; EN 10088-2 \u2013 Stainless steels \u2013 Technical delivery conditions; \u0111\u1ecbnh ngh\u0129a ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t (2B, 2D, BA, No.4, No.8).<br \/>\n&#8211; Nickel Institute &#038; ISSF: Care and Cleaning of Stainless Steel.<br \/>\n&#8211; ASSDA Technical Bulletin: Preventing Tea Staining on Stainless Steel.<br \/>\n&#8211; Outokumpu: Practical Guidelines for the Fabrication of Stainless Steel.<\/p>\n<p>K\u1ebft lu\u1eadn<br \/>\nB\u1ea3o d\u01b0\u1ee1ng \u0111\u00fang v\u00e0 ph\u1ee5c h\u1ed3i chu\u1ea9n k\u1ef9 thu\u1eadt gi\u00fap b\u1ec1 m\u1eb7t Inox g\u01b0\u01a1ng, x\u01b0\u1edbc, m\u1edd duy tr\u00ec th\u1ea9m m\u1ef9 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n l\u00e2u d\u00e0i. H\u00e3y tu\u00e2n th\u1ee7 nguy\u00ean t\u1eafc h\u00f3a ch\u1ea5t an to\u00e0n, chu\u1ed7i nh\u00e1m\u2013\u0111\u00e1nh b\u00f3ng ph\u00f9 h\u1ee3p t\u1eebng ho\u00e0n thi\u1ec7n, r\u1eeda\u2013passivation k\u1ef9 v\u00e0 thi\u1ebft l\u1eadp l\u1ecbch b\u1ea3o tr\u00ec theo m\u00f4i tr\u01b0\u1eddng. V\u1edbi c\u00f4ng tr\u00ecnh y\u00eau c\u1ea7u cao, n\u00ean chu\u1ea9n h\u00f3a ki\u1ec3m tra Ra\/\u0111\u1ed9 b\u00f3ng v\u00e0 l\u01b0u h\u1ed3 s\u01a1 quy tr\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nghi\u1ec7m thu \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n quy tr\u00ecnh ph\u00f9 h\u1ee3p v\u1eadt li\u1ec7u v\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn chu\u1ea9n \u0111\u1ec3 v\u1ec7 sinh, ph\u1ee5c h\u1ed3i Inox g\u01b0\u01a1ng, x\u01b0\u1edbc, m\u1edd: h\u00f3a ch\u1ea5t an to\u00e0n, chu\u1ed7i nh\u00e1m, \u0111\u00e1nh b\u00f3ng, passivation v\u00e0 l\u1ecbch b\u1ea3o tr\u00ec theo m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"author":7,"featured_media":1059,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1426"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1426\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1059"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}