{"id":1453,"date":"2025-12-20T12:33:16","date_gmt":"2025-12-20T05:33:16","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/tieu-chuan-inox-an-toan-thuc-pham-huong-dan-chuan-fda-nsf\/"},"modified":"2025-12-20T12:33:16","modified_gmt":"2025-12-20T05:33:16","slug":"tieu-chuan-inox-an-toan-thuc-pham-huong-dan-chuan-fda-nsf","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/tieu-chuan-inox-an-toan-thuc-pham-huong-dan-chuan-fda-nsf\/","title":{"rendered":"Ti\u00eau chu\u1ea9n inox an to\u00e0n th\u1ef1c ph\u1ea9m: H\u01b0\u1edbng d\u1eabn chu\u1ea9n FDA, NSF"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-khung-tieu-chuan-inox-an-toan-thuc-pham-ai-quy-din\">Khung ti\u00eau chu\u1ea9n inox an to\u00e0n th\u1ef1c ph\u1ea9m: ai quy \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec?<\/a><\/li>\n<li><a href=\"#toc-1-fda-compliant-khac-nsf-certified-nhu-the-nao\">\u201cFDA compliant\u201d kh\u00e1c \u201cNSF certified\u201d nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li>\n<li><a href=\"#toc-2-mac-inox-dung-cho-thuc-pham-304-316-430-chon-sao-c\">M\u00e1c inox d\u00f9ng cho th\u1ef1c ph\u1ea9m: 304, 316, 430\u2026 ch\u1ecdn sao cho \u0111\u00fang?<\/a><\/li>\n<li><a href=\"#toc-3-yeu-cau-be-mat-va-thiet-ke-ve-sinh\">Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t v\u00e0 thi\u1ebft k\u1ebf v\u1ec7 sinh<\/a><\/li>\n<li><a href=\"#toc-4-lam-ro-pham-vi-thu-nghiem-va-gioi-han-di-tru\">L\u00e0m r\u00f5 ph\u1ea1m vi th\u1eed nghi\u1ec7m v\u00e0 gi\u1edbi h\u1ea1n di tr\u00fa<\/a><\/li>\n<li><a href=\"#toc-5-hoa-chat-ve-sinh-va-tuong-thich-vat-lieu\">H\u00f3a ch\u1ea5t v\u1ec7 sinh v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u<\/a><\/li>\n<li><a href=\"#toc-6-ho-so-va-chung-tu-can-gi-de-dat-chuan-khi-mua-inox\">H\u1ed3 s\u01a1 v\u00e0 ch\u1ee9ng t\u1eeb: c\u1ea7n g\u00ec \u0111\u1ec3 \u201c\u0111\u1ea1t chu\u1ea9n\u201d khi mua inox?<\/a><\/li>\n<li><a href=\"#toc-7-checklist-ky-thuat-khi-dat-mua-inox-cho-thuc-pham\">Checklist k\u1ef9 thu\u1eadt khi \u0111\u1eb7t mua inox cho th\u1ef1c ph\u1ea9m<\/a><\/li>\n<li><a href=\"#toc-8-nhung-hieu-lam-pho-bien-can-tranh\">Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-9-vi-du-chon-vat-lieu-nhanh-theo-ung-dung\">V\u00ed d\u1ee5 ch\u1ecdn v\u1eadt li\u1ec7u nhanh theo \u1ee9ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-10-quy-trinh-xac-nhan-tuan-thu-cho-du-an\">Quy tr\u00ecnh x\u00e1c nh\u1eadn tu\u00e2n th\u1ee7 cho d\u1ef1 \u00e1n<\/a><\/li>\n<li><a href=\"#toc-11-nguon-tham-khao-ky-thuat\">Ngu\u1ed3n tham kh\u1ea3o k\u1ef9 thu\u1eadt<\/a><\/li>\n<li><a href=\"#toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>C\u00e1c nh\u00e0 x\u01b0\u1edfng ch\u1ebf bi\u1ebfn, b\u1ebfp c\u00f4ng nghi\u1ec7p v\u00e0 OEM thi\u1ebft b\u1ecb F&#038;B th\u01b0\u1eddng y\u00eau c\u1ea7u \u201cinox \u0111\u1ea1t chu\u1ea9n th\u1ef1c ph\u1ea9m\u201d. Nh\u01b0ng \u201cchu\u1ea9n FDA\u201d hay \u201cNSF\u201d th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a g\u00ec? B\u00e0i vi\u1ebft n\u00e0y h\u1ec7 th\u1ed1ng h\u00f3a to\u00e0n di\u1ec7n ti\u00eau chu\u1ea9n inox an to\u00e0n khi ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m, c\u00e1ch l\u1ef1a ch\u1ecdn m\u00e1c th\u00e9p, y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t \u2013 h\u00e0n \u2013 x\u1eed l\u00fd, ch\u1ee9ng t\u1eeb c\u1ea7n c\u00f3, v\u00e0 c\u00e1ch ki\u1ec3m ch\u1ee9ng tu\u00e2n th\u1ee7 \u0111\u1ec3 b\u1ea1n mua \u0111\u00fang \u2013 d\u00f9ng b\u1ec1n \u2013 \u0111\u1ea1t audit.<\/p>\n<h2 id=\"toc-0-khung-tieu-chuan-inox-an-toan-thuc-pham-ai-quy-din\">Khung ti\u00eau chu\u1ea9n inox an to\u00e0n th\u1ef1c ph\u1ea9m: ai quy \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec?<\/h2>\n<p>&#8211; FDA (Hoa K\u1ef3): Kh\u00f4ng \u201cch\u1ee9ng nh\u1eadn\u201d hay \u201cph\u00ea duy\u1ec7t\u201d inox theo m\u00e1c 304\/316. FDA ban h\u00e0nh Food Code v\u00e0 quy \u0111\u1ecbnh cGMP y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m ph\u1ea3i an to\u00e0n, b\u1ec1n, ch\u1ed1ng \u0103n m\u00f2n, kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng th\u1ea5m, d\u1ec5 v\u1ec7 sinh. Doanh nghi\u1ec7p t\u1ef1 ch\u1ecbu tr\u00e1ch nhi\u1ec7m tu\u00e2n th\u1ee7 v\u00e0 l\u01b0u h\u1ed3 s\u01a1.<br \/>\n&#8211; NSF\/ANSI: T\u1ed5 ch\u1ee9c NSF ch\u1ee9ng nh\u1eadn b\u00ean th\u1ee9 ba. NSF\/ANSI 51 (Food Equipment Materials) \u0111\u00e1nh gi\u00e1 v\u1eadt li\u1ec7u, c\u00f2n NSF\/ANSI 2, 4, 7\u2026 \u0111\u00e1nh gi\u00e1 thi\u1ebft b\u1ecb. S\u1ea3n ph\u1ea9m \u0111\u1ea1t s\u1ebd c\u00f3 d\u1ea5u NSF v\u00e0 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea c\u00f4ng khai.<br \/>\n&#8211; 3-A Sanitary Standards: Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf \u2013 v\u1ec7 sinh cho thi\u1ebft b\u1ecb s\u1eefa v\u00e0 th\u1ef1c ph\u1ea9m l\u1ecfng, d\u00f9ng r\u1ed9ng r\u00e3i nh\u01b0 chu\u1ea9n v\u1ec7 sinh b\u1ec1 m\u1eb7t (v\u00ed d\u1ee5 Ra \u2264 0,8 \u00b5m cho b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac s\u1ea3n ph\u1ea9m).<br \/>\n&#8211; EU: Khung ph\u00e1p l\u00fd EC 1935\/2004 (v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m) v\u00e0 EC 2023\/2006 (GMP). Nhi\u1ec1u doanh nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam d\u00f9ng FDA\/NSF ho\u1eb7c EU 1935\/2004 \u0111\u1ec3 ch\u1ee9ng minh tu\u00e2n th\u1ee7 khi nh\u1eadp thi\u1ebft b\u1ecb.<br \/>\n&#8211; Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u \u2013 x\u1eed l\u00fd li\u00ean quan: ASTM A240 (th\u00e9p kh\u00f4ng g\u1ec9 t\u1ea5m\/cu\u1ed9n), ASTM A270 (\u1ed1ng v\u1ec7 sinh), ASTM A380\/A967 (l\u00e0m s\u1ea1ch &#038; th\u1ee5 \u0111\u1ed9ng h\u00f3a\/passivation).<\/p>\n<p>Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh:<br \/>\n&#8211; U.S. FDA Food Code 2022 \u00a74-101.11; 21 CFR Part 117 (cGMP)<br \/>\n&#8211; NSF\/ANSI 51: Food Equipment Materials; NSF Listings<br \/>\n&#8211; Regulation (EC) No 1935\/2004; (EC) No 2023\/2006<br \/>\n&#8211; ASTM A240, A270, A380, A967; 3-A Sanitary Standards<\/p>\n<h2 id=\"toc-1-fda-compliant-khac-nsf-certified-nhu-the-nao\">\u201cFDA compliant\u201d kh\u00e1c \u201cNSF certified\u201d nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>&#8211; FDA compliant: Nh\u00e0 s\u1ea3n xu\u1ea5t tuy\u00ean b\u1ed1 s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ph\u00e1p l\u00fd c\u1ee7a FDA (v\u1eadt li\u1ec7u an to\u00e0n, kh\u00f4ng di tr\u00fa \u0111\u1ed9c h\u1ea1i, d\u1ec5 v\u1ec7 sinh). FDA kh\u00f4ng c\u1ea5p \u201cgi\u1ea5y ch\u1ee9ng nh\u1eadn inox\u201d. B\u1eb1ng ch\u1ee9ng th\u01b0\u1eddng l\u00e0: specification v\u1eadt li\u1ec7u, b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m di tr\u00fa\/\u0103n m\u00f2n (n\u1ebfu c\u00f3), quy tr\u00ecnh v\u1ec7 sinh, truy xu\u1ea5t l\u00f4.<br \/>\n&#8211; NSF certified: B\u00ean th\u1ee9 ba (NSF) th\u1eed nghi\u1ec7m \u2013 \u0111\u00e1nh gi\u00e1 \u2013 gi\u00e1m s\u00e1t \u0111\u1ecbnh k\u1ef3. D\u1ea5u NSF xu\u1ea5t hi\u1ec7n tr\u00ean s\u1ea3n ph\u1ea9m v\u00e0 c\u00f3 t\u00ean tr\u00ean danh m\u1ee5c NSF. \u0110\u00e2y l\u00e0 b\u1eb1ng ch\u1ee9ng m\u1ea1nh khi l\u00e0m vi\u1ec7c v\u1edbi chu\u1ed7i F&#038;B, nh\u00e0 m\u00e1y, ho\u1eb7c audit c\u1ee7a b\u00ean th\u1ee9 ba.<\/p>\n<p>Khi n\u00e0o c\u1ea7n NSF? N\u1ebfu b\u1ea1n cung c\u1ea5p thi\u1ebft b\u1ecb ho\u00e0n ch\u1ec9nh (b\u00e0n, ch\u1eadu r\u1eeda, t\u1ee7 l\u1ea1nh, b\u1ebfp, m\u00e1y r\u1eeda, b\u1ed3n ph\u1ed1i tr\u1ed9n\u2026) v\u00e0o b\u1ebfp c\u00f4ng nghi\u1ec7p, si\u00eau th\u1ecb, chu\u1ed7i F&#038;B qu\u1ed1c t\u1ebf \u2013 \u0111a s\u1ed1 y\u00eau c\u1ea7u NSF\/ANSI 2 ho\u1eb7c 51. V\u1edbi linh ki\u1ec7n\/\u1ed1ng\/ph\u1ee5 ki\u1ec7n CIP cho ng\u00e0nh s\u1eefa, \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c \u2013 3-A\/EHEDG th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn.<\/p>\n<h2 id=\"toc-2-mac-inox-dung-cho-thuc-pham-304-316-430-chon-sao-c\">M\u00e1c inox d\u00f9ng cho th\u1ef1c ph\u1ea9m: 304, 316, 430\u2026 ch\u1ecdn sao cho \u0111\u00fang?<\/h2>\n<p>&#8211; Inox 304 (EN 1.4301): Ph\u1ed5 bi\u1ebfn nh\u1ea5t cho thi\u1ebft b\u1ecb b\u1ebfp, b\u00e0n, ch\u1eadu, b\u1ed3n ch\u1ee9a, \u1ed1ng \u2013 ph\u1ee5 ki\u1ec7n ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m th\u00f4ng th\u01b0\u1eddng. Ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c ph\u1ea9m pH trung t\u00ednh, axit h\u1eefu c\u01a1 nh\u1eb9.<br \/>\n&#8211; Inox 316\/316L (EN 1.4401\/1.4404): B\u1ed5 sung Mo, kh\u00e1ng clorua v\u00e0 axit m\u1ea1nh h\u01a1n. Khuy\u1ebfn ngh\u1ecb cho: h\u1ea3i s\u1ea3n, n\u01b0\u1edbc mu\u1ed1i, n\u01b0\u1edbc ch\u1ea5m m\u1eb7n, n\u01b0\u1edbc tr\u00e1i c\u00e2y c\u00f4 \u0111\u1eb7c, m\u00f4i tr\u01b0\u1eddng CIP c\u00f3 chloride, ven bi\u1ec3n.<br \/>\n&#8211; Inox 430 (EN 1.4016): Ferritic, kh\u00e1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n; c\u00f3 th\u1ec3 d\u00f9ng cho b\u1ec1 m\u1eb7t kh\u00f4, v\u1ecf m\u00e1y, ho\u1eb7c ti\u1ebfp x\u00fac gi\u00e1n ti\u1ebfp. C\u1ea7n th\u1eadn tr\u1ecdng khi ti\u1ebfp x\u00fac mu\u1ed1i\/axit.<br \/>\n&#8211; Inox 201: H\u00e0m l\u01b0\u1ee3ng Ni th\u1ea5p, nh\u1ea1y \u0103n m\u00f2n r\u1ed7 trong m\u00f4i tr\u01b0\u1eddng clorua \u2013 kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m \u01b0\u1edbt ho\u1eb7c v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean b\u1eb1ng h\u00f3a ch\u1ea5t ch\u1ee9a chloride.<\/p>\n<p>L\u01b0u \u00fd quan tr\u1ecdng:<br \/>\n&#8211; \u201c304 = chu\u1ea9n th\u1ef1c ph\u1ea9m\u201d l\u00e0 c\u00e1ch n\u00f3i t\u1eaft thi\u1ebfu \u0111i\u1ec1u ki\u1ec7n. \u0110\u1ed9 s\u1ea1ch b\u1ec1 m\u1eb7t, h\u00e0n, x\u1eed l\u00fd m\u1ed1i h\u00e0n v\u00e0 v\u1ec7 sinh m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh. 304 v\u1eabn c\u00f3 th\u1ec3 r\u1ec9 n\u1ebfu thi\u1ebft k\u1ebf\/b\u1ea3o tr\u00ec k\u00e9m ho\u1eb7c ti\u1ebfp x\u00fac chloride.<br \/>\n&#8211; T\u1eeb t\u00ednh kh\u00f4ng ph\u1ea3i ch\u1ec9 d\u1ea5u an to\u00e0n. 304 c\u00f3 th\u1ec3 h\u01a1i nhi\u1ec5m t\u1eeb sau c\u00e1n ngu\u1ed9i; 430 t\u1eeb t\u00ednh m\u1ea1nh nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m trong \u0111i\u1ec1u ki\u1ec7n ph\u00f9 h\u1ee3p.<\/p>\n<h2 id=\"toc-3-yeu-cau-be-mat-va-thiet-ke-ve-sinh\">Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t v\u00e0 thi\u1ebft k\u1ebf v\u1ec7 sinh<\/h2>\n<h3>\u0110\u1ed9 nh\u00e1m v\u00e0 ho\u00e0n thi\u1ec7n<\/h3>\n<p>&#8211; B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m: tham chi\u1ebfu th\u00f4ng l\u1ec7 c\u00f4ng nghi\u1ec7p Ra \u2264 0,8 \u00b5m (32 \u00b5in) theo 3-A cho b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac s\u1ea3n ph\u1ea9m l\u1ecfng\/nh\u0169 t\u01b0\u01a1ng. V\u1edbi b\u1ed9t\/kh\u00f4 c\u00f3 th\u1ec3 cho ph\u00e9p l\u1edbn h\u01a1n, nh\u01b0ng c\u00e0ng m\u1ecbn c\u00e0ng d\u1ec5 v\u1ec7 sinh.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n khuy\u1ebfn ngh\u1ecb: No. 4 ho\u1eb7c finer cho b\u1ec1 m\u1eb7t ph\u1eb3ng; \u1ed1ng\/fit v\u1ec7 sinh n\u00ean d\u00f9ng \u1ed1ng theo ASTM A270 v\u1edbi n\u1ed9i b\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc \u0111\u00e1nh b\u00f3ng ho\u1eb7c \u0111i\u1ec7n h\u00f3a.<\/p>\n<h3>M\u1ed1i h\u00e0n v\u00e0 x\u1eed l\u00fd sau h\u00e0n<\/h3>\n<p>&#8211; H\u00e0n \u0111\u1ea7y, kh\u00f4ng r\u1ed7 x\u1ed1p k\u1ebd h\u1edf. M\u00e0i ph\u1eb3ng \u2013 bo tr\u00f2n g\u00f3c.<br \/>\n&#8211; T\u1ea9y s\u1ea1ch v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A380\/A967 \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp oxide b\u1ea3o v\u1ec7, gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n r\u1ed7 sau h\u00e0n.<br \/>\n&#8211; Tr\u00e1nh m\u1ed1i h\u00e0n ch\u1ed3ng ho\u1eb7c khe h\u1edf <2 mm kh\u00f3 v\u1ec7 sinh. Thi\u1ebft k\u1ebf self-draining, kh\u00f4ng \u0111\u1ecdng n\u01b0\u1edbc.\n\n\n\n<h3>Thi\u1ebft k\u1ebf ch\u1ed1ng nhi\u1ec5m b\u1ea9n<\/h3>\n<p>&#8211; Tr\u00e1nh ren l\u1ed9, v\u00edt xuy\u00ean t\u1eeb b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m. D\u00f9ng clamp v\u1ec7 sinh, ph\u1edbt food-grade.<br \/>\n&#8211; D\u1ec5 th\u00e1o l\u1eafp \u2013 ki\u1ec3m tra \u2013 v\u1ec7 sinh CIP\/SIP. Ch\u1ecdn v\u00f2ng \u0111\u1ec7m, keo, gio\u0103ng c\u00f3 ch\u1ee9ng nh\u1eadn FDA ho\u1eb7c NSF\/ANSI 51 ph\u00f9 h\u1ee3p (l\u01b0u \u00fd: cao su\/elastomer ch\u1ecbu tr\u00e1ch nhi\u1ec7m theo 21 CFR 177.2600, kh\u00f4ng \u00e1p d\u1ee5ng cho kim lo\u1ea1i).<\/p>\n<h2 id=\"toc-4-lam-ro-pham-vi-thu-nghiem-va-gioi-han-di-tru\">L\u00e0m r\u00f5 ph\u1ea1m vi th\u1eed nghi\u1ec7m v\u00e0 gi\u1edbi h\u1ea1n di tr\u00fa<\/h2>\n<p>&#8211; Kim lo\u1ea1i nh\u01b0 inox kh\u00f4ng c\u00f3 danh m\u1ee5c \u201cph\u00ea duy\u1ec7t\u201d c\u1ee5 th\u1ec3 trong 21 CFR nh\u01b0 nh\u1ef1a\/elastomer. Y\u00eau c\u1ea7u tr\u1ecdng t\u00e2m l\u00e0: kh\u00f4ng g\u00e2y nhi\u1ec5m \u0111\u1ed9c h\u1ea1i v\u00e0o th\u1ef1c ph\u1ea9m \u1edf \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn, v\u00e0 b\u1ec1 m\u1eb7t ph\u1ea3i v\u1ec7 sinh \u0111\u01b0\u1ee3c (FDA Food Code).<br \/>\n&#8211; \u0110\u00e1nh gi\u00e1 th\u01b0\u1eddng g\u1ed3m:<br \/>\n  &#8211; Th\u1eed \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng m\u00f4 ph\u1ecfng (axit axetic, NaCl, nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c).<br \/>\n  &#8211; Ki\u1ec3m tra b\u1ec1 m\u1eb7t\/\u0111\u1ed9 nh\u00e1m, th\u00ed nghi\u1ec7m v\u1ec7 sinh \u2013 l\u00e0m s\u1ea1ch.<br \/>\n  &#8211; V\u1edbi th\u1ecb tr\u01b0\u1eddng EU, c\u00f3 th\u1ec3 y\u00eau c\u1ea7u th\u1eed di tr\u00fa kim lo\u1ea1i (Ni, Cr) theo m\u00f4 ph\u1ecfng quy \u0111\u1ecbnh d\u01b0\u1edbi khung 1935\/2004.<\/p>\n<h2 id=\"toc-5-hoa-chat-ve-sinh-va-tuong-thich-vat-lieu\">H\u00f3a ch\u1ea5t v\u1ec7 sinh v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u<\/h2>\n<p>&#8211; H\u1ea1n ch\u1ebf chloride (NaCl, hypochlorite) \u0111\u1eadm \u0111\u1eb7c; tr\u00e1nh ng\u00e2m l\u00e2u. Sau khi kh\u1eed tr\u00f9ng b\u1eb1ng chlorine\/bleach, c\u1ea7n tr\u00e1ng n\u01b0\u1edbc s\u1ea1ch v\u00e0 s\u1ea5y kh\u00f4.<br \/>\n&#8211; Tr\u00e1nh d\u00f9ng len th\u00e9p carbon \u0111\u1ec3 ch\u00e0 \u2013 d\u1ec5 \u0111\u1ec3 l\u1ea1i phoi g\u00e2y r\u1ec9 n\u00e2u. D\u00f9ng pad nylon ho\u1eb7c inox.<br \/>\n&#8211; Duy tr\u00ec pH t\u1ea9y r\u1eeda theo khuy\u1ebfn c\u00e1o nh\u00e0 s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t. L\u1eadp SOP CIP\/SOP v\u1ec7 sinh v\u00e0 \u0111\u00e0o t\u1ea1o nh\u00e2n vi\u00ean.<\/p>\n<h2 id=\"toc-6-ho-so-va-chung-tu-can-gi-de-dat-chuan-khi-mua-inox\">H\u1ed3 s\u01a1 v\u00e0 ch\u1ee9ng t\u1eeb: c\u1ea7n g\u00ec \u0111\u1ec3 \u201c\u0111\u1ea1t chu\u1ea9n\u201d khi mua inox?<\/h2>\n<p>&#8211; CO\/CQ v\u00e0 MTC (Mill Test Certificate) theo EN 10204 3.1: X\u00e1c nh\u1eadn th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc (Cr, Ni, Mo), c\u01a1 t\u00ednh, ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t (ASTM A240\/A270).<br \/>\n&#8211; B\u1ea3n khai tu\u00e2n th\u1ee7 (Declaration of Compliance):<br \/>\n  &#8211; Th\u1ecb tr\u01b0\u1eddng M\u1ef9: tuy\u00ean b\u1ed1 v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng FDA Food Code cho b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m; m\u00f4 t\u1ea3 m\u00e1c th\u00e9p, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, quy tr\u00ecnh v\u1ec7 sinh, b\u1ea3o tr\u00ec.<br \/>\n  &#8211; Th\u1ecb tr\u01b0\u1eddng EU: DoC theo 1935\/2004 (n\u1ebfu c\u00f3 th\u1eed nghi\u1ec7m di tr\u00fa kim lo\u1ea1i c\u00e0ng t\u1ed1t).<br \/>\n&#8211; Ch\u1ee9ng nh\u1eadn b\u00ean th\u1ee9 ba (n\u1ebfu y\u00eau c\u1ea7u d\u1ef1 \u00e1n):<br \/>\n  &#8211; NSF\/ANSI 51\/2 cho thi\u1ebft b\u1ecb\/s\u1ea3n ph\u1ea9m ho\u00e0n ch\u1ec9nh.<br \/>\n  &#8211; 3-A (\u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb ng\u00e0nh s\u1eefa\/\u0111\u1ed3 u\u1ed1ng).<br \/>\n&#8211; Quy tr\u00ecnh v\u00e0 b\u00e1o c\u00e1o x\u1eed l\u00fd b\u1ec1 m\u1eb7t: pickling\/passivation theo ASTM A380\/A967.<br \/>\n&#8211; H\u1ed3 s\u01a1 truy xu\u1ea5t: l\u00f4 cu\u1ed9n\/t\u1ea5m\/\u1ed1ng, tem m\u00e1c, s\u01a1 \u0111\u1ed3 v\u1eadt li\u1ec7u theo v\u1ecb tr\u00ed l\u1eafp.<\/p>\n<h2 id=\"toc-7-checklist-ky-thuat-khi-dat-mua-inox-cho-thuc-pham\">Checklist k\u1ef9 thu\u1eadt khi \u0111\u1eb7t mua inox cho th\u1ef1c ph\u1ea9m<\/h2>\n<p>1) X\u00e1c \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng \u2013 th\u1ef1c ph\u1ea9m \u2013 v\u1ec7 sinh:<br \/>\n   &#8211; C\u00f3 chloride? Axit m\u1ea1nh? Nhi\u1ec7t \u0111\u1ed9? CIP\/SIP?<br \/>\n2) Ch\u1ecdn m\u00e1c v\u00e0 ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t:<br \/>\n   &#8211; 304 cho \u0111a m\u1ee5c \u0111\u00edch; 316 cho m\u1eb7n\/axit; 430 ch\u1ec9 cho v\u1ecf\/ti\u1ebfp x\u00fac kh\u00f4.<br \/>\n   &#8211; T\u1ea5m\/coil: ASTM A240; \u1ed0ng v\u1ec7 sinh: ASTM A270.<br \/>\n3) Quy \u0111\u1ecbnh b\u1ec1 m\u1eb7t:<br \/>\n   &#8211; Ti\u1ebfp x\u00fac s\u1ea3n ph\u1ea9m: Ra \u2264 0,8 \u00b5m; ho\u00e0n thi\u1ec7n No.4 ho\u1eb7c \u0111\u00e1nh b\u00f3ng v\u1ec7 sinh.<br \/>\n4) Quy \u0111\u1ecbnh h\u00e0n \u2013 x\u1eed l\u00fd:<br \/>\n   &#8211; H\u00e0n \u0111\u1ea7y; m\u00e0i \u2013 bo; passivation ASTM A967.<br \/>\n5) Y\u00eau c\u1ea7u ch\u1ee9ng t\u1eeb:<br \/>\n   &#8211; EN 10204 3.1 MTC; CQ; DoC (FDA Food Code\/EU 1935); ch\u1ee9ng nh\u1eadn NSF\/3-A n\u1ebfu c\u1ea7n.<br \/>\n6) Ki\u1ec3m tra nh\u1eadn h\u00e0ng:<br \/>\n   &#8211; PMI th\u00e0nh ph\u1ea7n (XRF); \u0111o \u0111\u1ed9 nh\u00e1m; ki\u1ec3m tra h\u00e0n; test n\u01b0\u1edbc mu\u1ed1i \u0111i\u1ec3m n\u00f3ng; r\u00e0 bavia.<br \/>\n7) H\u01b0\u1edbng d\u1eabn v\u1eadn h\u00e0nh \u2013 v\u1ec7 sinh:<br \/>\n   &#8211; SOP h\u00f3a ch\u1ea5t, n\u1ed3ng \u0111\u1ed9, th\u1eddi gian ti\u1ebfp x\u00fac; tr\u00e1ng \u2013 s\u1ea5y; l\u1ecbch ki\u1ec3m tra \u0111i\u1ec3m r\u1ed7.<\/p>\n<h2 id=\"toc-8-nhung-hieu-lam-pho-bien-can-tranh\">Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n<p>&#8211; \u201cC\u00f3 gi\u1ea5y FDA cho inox 304\u201d: Sai. FDA kh\u00f4ng c\u1ea5p gi\u1ea5y ch\u1ee9ng nh\u1eadn cho m\u00e1c th\u00e9p. Ch\u1ec9 c\u00f3 tuy\u00ean b\u1ed1 tu\u00e2n th\u1ee7 d\u1ef1a tr\u00ean y\u00eau c\u1ea7u c\u1ee7a Food Code\/cGMP.<br \/>\n&#8211; \u201cInox 201 r\u1ebb v\u1eabn d\u00f9ng \u0111\u01b0\u1ee3c nh\u01b0 304\u201d: Sai v\u1edbi m\u00f4i tr\u01b0\u1eddng \u1ea9m\/chloride; r\u1ee7i ro r\u1ed7 \u2013 g\u1ec9 n\u00e2u \u2013 nhi\u1ec5m kim lo\u1ea1i t\u0103ng.<br \/>\n&#8211; \u201cB\u1ec1 m\u1eb7t c\u00e0ng b\u00f3ng c\u00e0ng t\u1ed1t\u201d: Kh\u00f4ng h\u1eb3n. Quan tr\u1ecdng l\u00e0 Ra, \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng v\u1ebft k\u00e9o, kh\u00f4ng b\u1ec1 m\u1eb7t \u201cg\u01b0\u01a1ng\u201d nh\u01b0ng nhi\u1ec1u r\u00e3nh vi m\u00f4.<br \/>\n&#8211; \u201cKh\u00f4ng c\u1ea7n passivation sau h\u00e0n\u201d: Sai. Passivation l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh l\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3, gi\u1ea3m \u0103n m\u00f2n s\u1edbm.<\/p>\n<h2 id=\"toc-9-vi-du-chon-vat-lieu-nhanh-theo-ung-dung\">V\u00ed d\u1ee5 ch\u1ecdn v\u1eadt li\u1ec7u nhanh theo \u1ee9ng d\u1ee5ng<\/h2>\n<p>&#8211; B\u00e0n ch\u1eadu r\u1eeda b\u1ebfp nh\u00e0 h\u00e0ng: 304, No.4; h\u00e0n m\u00e0i \u2013 passivation; ch\u00e2n, gi\u1eb1ng c\u00f3 th\u1ec3 201\/430 nh\u01b0ng khuy\u1ebfn ngh\u1ecb 304 \u0111\u1ec3 \u0111\u1ed3ng nh\u1ea5t v\u1ec7 sinh; n\u1ebfu b\u1ebfp h\u1ea3i s\u1ea3n m\u1eb7n \u2192 316 cho ch\u1eadu.<br \/>\n&#8211; B\u1ed3n ph\u1ed1i tr\u1ed9n n\u01b0\u1edbc m\u1eafm\/n\u01b0\u1edbc mu\u1ed1i: 316L; m\u1ed1i h\u00e0n m\u00e0i ph\u1eb3ng; Ra \u2264 0,8 \u00b5m; gio\u0103ng EPDM\/FKM \u0111\u1ea1t FDA\/NSF; v\u1ec7 sinh kh\u00f4ng chlorine \u0111\u1eadm \u0111\u1eb7c.<br \/>\n&#8211; \u0110\u01b0\u1eddng \u1ed1ng s\u1eefa \u2013 \u0111\u1ed3 u\u1ed1ng: 316L, \u1ed1ng ASTM A270; fitting k\u1eb9p clamp v\u1ec7 sinh; b\u01a1m \u2013 van chu\u1ea9n 3-A; CIP \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Qu\u1ea7y m\u00e1t \u2013 t\u1ee7 tr\u01b0ng b\u00e0y: B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m 304\/316; ph\u1ea7n v\u1ecf ngo\u00e0i c\u00f3 th\u1ec3 430; thi\u1ebft b\u1ecb m\u1ee5c ti\u00eau ch\u1ee9ng nh\u1eadn NSF\/ANSI 7.<\/p>\n<h2 id=\"toc-10-quy-trinh-xac-nhan-tuan-thu-cho-du-an\">Quy tr\u00ecnh x\u00e1c nh\u1eadn tu\u00e2n th\u1ee7 cho d\u1ef1 \u00e1n<\/h2>\n<p>&#8211; Giai \u0111o\u1ea1n thi\u1ebft k\u1ebf:<br \/>\n  &#8211; Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt: m\u00e1c, Ra, chu\u1ea9n h\u00e0n\/passivation, ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (NSF\/3-A), h\u00f3a ch\u1ea5t v\u1ec7 sinh d\u1ef1 ki\u1ebfn.<br \/>\n&#8211; Giai \u0111o\u1ea1n mua s\u1eafm:<br \/>\n  &#8211; Ch\u1ec9 \u0111\u1ecbnh ASTM A240\/A270, EN 10204 3.1; y\u00eau c\u1ea7u m\u1eabu ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t; th\u1ecfa thu\u1eadn DoC.<br \/>\n&#8211; Giai \u0111o\u1ea1n FAT\/SAT:<br \/>\n  &#8211; Ki\u1ec3m Ra; ki\u1ec3m m\u1ed1i h\u00e0n; PMI; ki\u1ec3m r\u00f2; v\u1ec7 sinh th\u1eed; n\u1ebfu thi\u1ebft b\u1ecb c\u1ea7n, ki\u1ec3m ch\u1ee9ng d\u1ea5u\/ch\u1ee9ng ch\u1ec9 NSF.<br \/>\n&#8211; B\u00e0n giao:<br \/>\n  &#8211; H\u1ed3 s\u01a1 CO\/CQ\/MTC; DoC; h\u01b0\u1edbng d\u1eabn v\u1ec7 sinh \u2013 b\u1ea3o tr\u00ec; l\u1ecbch ki\u1ec3m so\u00e1t \u0103n m\u00f2n.<\/p>\n<h2 id=\"toc-11-nguon-tham-khao-ky-thuat\">Ngu\u1ed3n tham kh\u1ea3o k\u1ef9 thu\u1eadt<\/h2>\n<p>&#8211; FDA Food Code 2022, \u00a74-101.11: Materials for Construction and Repair.<br \/>\n&#8211; 21 CFR Part 117: Current Good Manufacturing Practice, Hazard Analysis, and Risk-Based Preventive Controls for Human Food.<br \/>\n&#8211; NSF\/ANSI 51: Food Equipment Materials; NSF\/ANSI 2: Food Equipment.<br \/>\n&#8211; Regulation (EC) No 1935\/2004; Regulation (EC) No 2023\/2006 (GMP).<br \/>\n&#8211; ASTM A240\/A270\/A380\/A967; 3-A Sanitary Standards (h\u01b0\u1edbng d\u1eabn v\u1ec7 sinh thi\u1ebft k\u1ebf).<\/p>\n<h2 id=\"toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ec3 \u201c\u0111\u1ea1t chu\u1ea9n th\u1ef1c ph\u1ea9m\u201d, inox kh\u00f4ng ch\u1ec9 \u0111\u00fang m\u00e1c (304\/316) m\u00e0 c\u00f2n ph\u1ea3i \u0111\u00e1p \u1ee9ng thi\u1ebft k\u1ebf v\u1ec7 sinh, \u0111\u1ed9 nh\u00e1m, ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 quy tr\u00ecnh v\u1ec7 sinh. \u201cFDA compliant\u201d l\u00e0 tuy\u00ean b\u1ed1 tu\u00e2n th\u1ee7 ti\u00eau ch\u00ed b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m theo Food Code; \u201cNSF certified\u201d l\u00e0 ch\u1ee9ng nh\u1eadn b\u00ean th\u1ee9 ba cho thi\u1ebft b\u1ecb\/v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3. H\u00e3y chu\u1ea9n h\u00f3a h\u1ed3 s\u01a1 CO\/CQ + MTC 3.1, quy \u0111\u1ecbnh Ra v\u00e0 passivation, v\u00e0 ch\u1ecdn 316 cho m\u00f4i tr\u01b0\u1eddng clorua\/axit \u0111\u1ec3 an to\u00e0n \u2013 b\u1ec1n \u2013 d\u1ec5 audit.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn m\u00e1c inox, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 b\u1ed9 h\u1ed3 s\u01a1 tu\u00e2n th\u1ee7 FDA\/NSF cho d\u1ef1 \u00e1n th\u1ef1c ph\u1ea9m? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t.<br \/>\nHotline: 0343.417.281<br \/>\nEmail: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u \u0111\u00fang \u201cFDA compliant\u201d v\u00e0 \u201cNSF certified\u201d, ch\u1ecdn m\u00e1c inox 304\/316, \u0111\u1ed9 nh\u00e1m, h\u00e0n \u2013 passivation, h\u1ed3 s\u01a1 CO\/CQ \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m.<\/p>\n","protected":false},"author":7,"featured_media":1041,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1453","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\/1453","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=1453"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1453\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1041"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}