Inox \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong th\u1ef1c ph\u1ea9m, y t\u1ebf v\u00e0 n\u01b0\u1edbc s\u1ea1ch nh\u1edd b\u1ec1 m\u1eb7t tr\u01a1, d\u1ec5 v\u1ec7 sinh v\u00e0 b\u1ec1n v\u1edbi \u0103n m\u00f2n. B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch th\u1ea5u \u0111\u00e1o: inox c\u00f3 \u201cdi\u1ec7t khu\u1ea9n\u201d hay kh\u00f4ng, v\u00ec sao inox \u00edt th\u00f4i nhi\u1ec5m kim lo\u1ea1i, y\u1ebfu t\u1ed1 n\u00e0o l\u00e0m t\u0103ng r\u1ee7i ro, v\u00e0 c\u00e1ch thi\u1ebft k\u1ebf \u2013 v\u1eadn h\u00e0nh \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m an to\u00e0n s\u1ee9c kh\u1ecfe. \u0110\u00e2y c\u0169ng l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a v\u1eadt li\u1ec7u b\u1ec1n v\u1eefng: tu\u1ed5i th\u1ecd d\u00e0i, v\u1ec7 sinh t\u1ed1t gi\u00fap gi\u1ea3m h\u00f3a ch\u1ea5t v\u00e0 n\u01b0\u1edbc d\u00f9ng cho l\u00e0m s\u1ea1ch trong c\u00f4ng tr\u00ecnh xanh.<\/p>\n
– Inox kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u t\u1ef1 di\u1ec7t khu\u1ea9n nh\u01b0 \u0111\u1ed3ng ho\u1eb7c h\u1ee3p kim \u0111\u1ed3ng (\u0111\u01b0\u1ee3c EPA Hoa K\u1ef3 \u0111\u0103ng k\u00fd c\u00f3 ho\u1ea1t t\u00ednh kh\u00e1ng khu\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t) m\u00e0 \u01b0u \u0111i\u1ec3m l\u1edbn c\u1ee7a inox l\u00e0 b\u1ec1 m\u1eb7t m\u1ecbn, tr\u01a1, \u00edt h\u1ea5p ph\u1ee5 dinh d\u01b0\u1ee1ng, gi\u00fap vi khu\u1ea9n kh\u00f3 b\u00e1m v\u00e0 d\u1ec5 b\u1ecb lo\u1ea1i b\u1ecf b\u1edfi quy tr\u00ecnh v\u1ec7 sinh \u0111\u00fang c\u00e1ch (Euro Inox; EHEDG).
\n– C\u00e1c th\u00ed nghi\u1ec7m ti\u00eau chu\u1ea9n v\u1ec1 \u201ckh\u00e1ng khu\u1ea9n\u201d nh\u01b0 JIS Z 2801\/ISO 22196 \u00edt ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 inox nguy\u00ean b\u1ea3n v\u00ec inox kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea9m\/bi\u1ebfn t\u00ednh kh\u00e1ng khu\u1ea9n. T\u00ednh an to\u00e0n c\u1ee7a inox \u0111\u1ebfn t\u1eeb kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ea1o \u1ed5 vi khu\u1ea9n.
\n– Trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf, inox \u0111\u01b0\u1ee3c ch\u1ecdn v\u00ec:
\n + B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n th\u1ea5p (Ra \u2264 0,8 \u00b5m theo EHEDG\/EN 1672-2) h\u1ea1n ch\u1ebf h\u00ecnh th\u00e0nh biofilm.
\n + Ch\u1ecbu \u0111\u01b0\u1ee3c v\u1ec7 sinh CIP\/SIP l\u1eb7p l\u1ea1i, nhi\u1ec7t, h\u00f3a ch\u1ea5t s\u00e1t khu\u1ea9n m\u00e0 kh\u00f4ng suy gi\u1ea3m b\u1ec1 m\u1eb7t n\u1ebfu ch\u1ecdn m\u00e1c v\u00e0 x\u1eed l\u00fd \u0111\u00fang.<\/p>\n
Ngu\u1ed3n tham kh\u1ea3o: EHEDG Doc 8 & 32 (thi\u1ebft k\u1ebf v\u1ec7 sinh), Euro Inox \u201cStainless Steel in Contact with Food \u2013 A Technical Guide\u201d.<\/p>\n
– Inox t\u1ea1o m\u00e0ng th\u1ee5 \u0111\u1ed9ng oxit cr\u00f4m (Cr2O3) d\u00e0y v\u00e0i nanomet, t\u1ef1 t\u00e1i sinh khi ti\u1ebfp x\u00fac oxy. L\u1edbp m\u00e0ng n\u00e0y ng\u0103n qu\u00e1 tr\u00ecnh h\u00f2a tan kim lo\u1ea1i n\u1ec1n, gi\u00fap m\u1ee9c gi\u1ea3i ph\u00f3ng Fe, Cr, Ni v\u00e0o th\u1ef1c ph\u1ea9m\/n\u01b0\u1edbc \u1edf m\u1ee9c r\u1ea5t th\u1ea5p.
\n– Khung tham chi\u1ebfu an to\u00e0n:
\n + Ch\u00e2u \u00c2u: Council of Europe Resolution CM\/Res(2013)9 \u0111\u01b0a ra \u201cgi\u1edbi h\u1ea1n gi\u1ea3i ph\u00f3ng c\u1ee5 th\u1ec3\u201d (SRL) cho kim lo\u1ea1i t\u1eeb v\u1eadt li\u1ec7u kim lo\u1ea1i ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m: Ni 0,14 mg\/kg; Cr 0,25 mg\/kg; Mo 0,12 mg\/kg; Fe 40 mg\/kg (CoE, 2013).
\n + Ti\u1ebfp x\u00fac n\u01b0\u1edbc u\u1ed1ng: c\u00e1c ch\u1ee9ng nh\u1eadn nh\u01b0 NSF\/ANSI 51 (v\u1eadt li\u1ec7u thi\u1ebft b\u1ecb th\u1ef1c ph\u1ea9m) v\u00e0 NSF\/ANSI\/CAN 61 (ti\u1ebfp x\u00fac n\u01b0\u1edbc u\u1ed1ng) \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i \u0111\u1ec3 ch\u1ee9ng minh an to\u00e0n di tr\u00fa kim lo\u1ea1i.
\n– D\u1eef li\u1ec7u \u0111\u1ed9c l\u1eadp (BfR \u0110\u1ee9c; Euro Inox; Nickel Institute) cho th\u1ea5y:
\n + D\u1ee5ng c\u1ee5 inox m\u1edbi c\u00f3 th\u1ec3 c\u00f3 m\u1ee9c gi\u1ea3i ph\u00f3ng Ni\/Cr nh\u1ec9nh h\u01a1n trong v\u00e0i l\u1ea7n \u0111\u1ea7u ti\u1ebfp x\u00fac m\u00f4i tr\u01b0\u1eddng axit, sau \u0111\u00f3 gi\u1ea3m m\u1ea1nh khi b\u1ec1 m\u1eb7t \u1ed5n \u0111\u1ecbnh (\u201cconditioning\u201d).
\n + Khi d\u00f9ng \u0111\u00fang m\u00e1c v\u00e0 v\u1ec7 sinh \u0111\u00fang, m\u1ee9c gi\u1ea3i ph\u00f3ng \u0111i\u1ec3n h\u00ecnh th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi SRL n\u00eau tr\u00ean.<\/p>\n
Ngu\u1ed3n tham kh\u1ea3o: Council of Europe CM\/Res(2013)9; BfR Opinion on release of metals from stainless steel cookware; Euro Inox.<\/p>\n
– M\u00f4i tr\u01b0\u1eddng: pH r\u1ea5t th\u1ea5p (gi\u1ea5m, n\u01b0\u1edbc mu\u1ed1i m\u1eb7n), nhi\u1ec7t \u0111\u1ed9 cao, th\u1eddi gian ti\u1ebfp x\u00fac k\u00e9o d\u00e0i.
\n– Clorua cao: th\u00fac \u0111\u1ea9y r\u1ed7 (pitting) v\u00e0 k\u1ebd h\u1edf (crevice) \u2192 ph\u00e1 v\u1ee1 m\u00e0ng th\u1ee5 \u0111\u1ed9ng.
\n– B\u1ec1 m\u1eb7t th\u00f4, h\u00e0n kh\u00f4ng x\u1eed l\u00fd\/kh\u1eed x\u1ec9, nhi\u1ec5m s\u1eaft ngo\u1ea1i lai (contamination) t\u1eeb d\u1ee5ng c\u1ee5 th\u00e9p carbon.
\n– D\u00f9ng h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda ch\u1ee9a clo \u0111\u1eadm \u0111\u1eb7c\/axit clohydric; k\u1ebft h\u1ee3p clo + axit t\u1ea1o m\u00f4i tr\u01b0\u1eddng c\u1ef1c \u0103n m\u00f2n.<\/p>\n
– \u0110\u1ed3ng\/h\u1ee3p kim \u0111\u1ed3ng: c\u00f3 ho\u1ea1t t\u00ednh di\u1ec7t khu\u1ea9n ti\u1ebfp x\u00fac, nh\u01b0ng d\u1ec5 \u0103n m\u00f2n, \u0111\u1ed5i m\u00e0u, c\u00f3 nguy c\u01a1 di tr\u00fa \u0111\u1ed3ng \u2013 kh\u00f4ng ph\u00f9 h\u1ee3p r\u1ed9ng r\u00e3i cho thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn c\u00f3 CIP kh\u1eafc nghi\u1ec7t (EPA; t\u00e0i li\u1ec7u v\u1ec7 sinh c\u00f4ng nghi\u1ec7p).
\n– Nh\u1ef1a: c\u00f3 th\u1ec3 r\u1ebb v\u00e0 nh\u1eb9, nh\u01b0ng d\u1ec5 x\u01b0\u1edbc, gi\u00e0 h\u00f3a, t\u00edch t\u1ee5 biofilm; nhi\u1ec1u lo\u1ea1i kh\u00f4ng ch\u1ecbu nhi\u1ec7t\/kh\u1eed tr\u00f9ng h\u01a1i n\u01b0\u1edbc; c\u1ea7n ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p (NSF\/ANSI 51).
\n– Inox austenitic (304\/316L): c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u gi\u1eefa s\u1ea1ch \u2013 b\u1ec1n \u2013 kh\u00e1ng \u0103n m\u00f2n \u2013 ch\u1ecbu v\u1ec7 sinh l\u1eb7p l\u1ea1i; l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng trong th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m, y t\u1ebf.<\/p>\n
– 304 (EN 1.4301\/1.4307): d\u00f9ng t\u1ed1t cho b\u1ebfp, b\u1ed3n, b\u00e0n, \u0111\u01b0\u1eddng \u1ed1ng th\u1ef1c ph\u1ea9m ti\u00eau chu\u1ea9n; h\u1ea1n ch\u1ebf trong m\u00f4i tr\u01b0\u1eddng clorua cao ho\u1eb7c n\u01b0\u1edbc bi\u1ec3n.
\n– 316L (EN 1.4404\/1.4435): th\u00eam Mo, t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 do clorua; \u01b0u ti\u00ean cho n\u01b0\u1edbc mu\u1ed1i, h\u1ea3i s\u1ea3n, n\u01b0\u1edbc mu\u1ed1i ng\u01b0ng t\u1ee5, d\u01b0\u1ee3c ph\u1ea9m, y t\u1ebf. Ch\u1ec9 s\u1ed1 PREN ~25 (so v\u1edbi ~18 cho 304) cho th\u1ea5y kh\u00e1ng r\u1ed7 v\u01b0\u1ee3t tr\u1ed9i.
\n– 430 (ferritic): \u00edt Ni, th\u00edch h\u1ee3p b\u1ec1 m\u1eb7t trang tr\u00ed\/thi\u1ebft b\u1ecb kh\u00f4; kh\u00f4ng n\u00ean d\u00f9ng cho ti\u1ebfp x\u00fac clorua \u1ea9m ho\u1eb7c v\u1ec7 sinh kh\u1eafc nghi\u1ec7t.
\n– Duplex (2205): kh\u00e1ng r\u1ed7 v\u00e0 k\u1ebd h\u1edf r\u1ea5t cao, ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng clorua r\u1ea5t n\u1eb7ng, n\u01b0\u1edbc bi\u1ec3n, CIP n\u00f3ng v\u00e0 \u0111\u1eadm \u0111\u1eb7c.<\/p>\n
L\u01b0u \u00fd: ch\u1ecdn \u201cL\u201d (low carbon) cho m\u1ed1i h\u00e0n \u1ed5n \u0111\u1ecbnh; y\u00eau c\u1ea7u v\u1eadt li\u1ec7u\/\u1ed1ng thi\u1ebft b\u1ecb \u0111\u1ea1t ti\u00eau chu\u1ea9n v\u1ec7 sinh (ASME BPE, ASTM A270, EN 10217-7 \u0111\u1ed1i v\u1edbi \u1ed1ng).<\/p>\n
– T\u1ea9y s\u1ea1ch & th\u1ee5 \u0111\u1ed9ng h\u00f3a: theo ASTM A380\/A967 \u0111\u1ec3 lo\u1ea1i c\u1eb7n, x\u1ec9 h\u00e0n, s\u1eaft ngo\u1ea1i lai, ph\u1ee5c h\u1ed3i m\u00e0ng Cr2O3.
\n– \u0110\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc \u0111\u1ebfn Ra \u2264 0,8 \u00b5m cho th\u1ef1c ph\u1ea9m; d\u01b0\u1ee3c\/pharma c\u00f3 th\u1ec3 y\u00eau c\u1ea7u Ra \u2264 0,5 \u00b5m (ASME BPE).
\n– \u0110i\u1ec7n h\u00f3a (electropolishing): l\u00e0m m\u1ecbn \u0111\u1ec9nh nh\u00e1m, gi\u00e0u cr\u00f4m b\u1ec1 m\u1eb7t \u2192 gi\u1ea3m b\u00e1m b\u1ea9n\/biofilm v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ed1ng \u0103n m\u00f2n.
\n– Ho\u00e0n thi\u1ec7n m\u1ed1i h\u00e0n: m\u00e0i \u2013 t\u1ea9y x\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng; tr\u00e1nh khe h\u1edf v\u00e0 \u201cdead leg\u201d trong l\u1eafp \u0111\u1eb7t.<\/p>\n
Ngu\u1ed3n tham kh\u1ea3o: ASME BPE; ASTM A380\/A967; EHEDG.<\/p>\n
– Nguy\u00ean t\u1eafc:
\n + Tr\u00e1nh k\u1ebd h\u1edf, b\u1ec1 m\u1eb7t ch\u1ed3ng m\u00ed; b\u00e1n k\u00ednh bo g\u00f3c \u2265 3 mm; d\u1ed1c tho\u00e1t n\u01b0\u1edbc > 2%.
\n + M\u1ed1i n\u1ed1i clamp\/h\u00e0n orbit \u0111\u00fang ti\u00eau chu\u1ea9n; tr\u00e1nh \u201cdead leg\u201d > 1,5 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng (ASME BPE).
\n + V\u1eadt li\u1ec7u gio\u0103ng ph\u00f9 h\u1ee3p (EPDM, PTFE) ch\u1ecbu h\u00f3a ch\u1ea5t v\u00e0 nhi\u1ec7t.
\n– Th\u00f4ng s\u1ed1 v\u1ec7 sinh \u0111i\u1ec3n h\u00ecnh (tham kh\u1ea3o, \u0111i\u1ec1u ch\u1ec9nh theo nh\u00e0 h\u00f3a ch\u1ea5t\/thi\u1ebft b\u1ecb):
\n + Pre-rinse: n\u01b0\u1edbc \u1ea5m 35\u201345\u00b0C.
\n + T\u1ea9y ki\u1ec1m: NaOH 0,5\u20132% \u1edf 60\u201380\u00b0C, 20\u201340 ph\u00fat \u0111\u1ec3 lo\u1ea1i protein\/d\u1ea7u m\u1ee1.
\n + T\u1ea9y axit: HNO3 0,5\u20131% ho\u1eb7c axit h\u1eefu c\u01a1 \u0111\u1ec3 kh\u1eed c\u00e1u c\u1eb7n v\u00f4 c\u01a1.
\n + Kh\u1eed tr\u00f9ng: axit peracetic 0,1\u20130,2% ho\u1eb7c h\u01a1i n\u01b0\u1edbc (SIP) 121\u00b0C.
\n + Tr\u00e1ng k\u1ef9 v\u00e0 l\u00e0m kh\u00f4.
\n– Tr\u00e1nh: tr\u1ed9n clo v\u1edbi axit; d\u00f9ng HCl\/NaClO \u0111\u1eadm \u0111\u1eb7c tr\u00ean inox; n\u1ebfu b\u1eaft bu\u1ed9c d\u00f9ng clo, gi\u1ea3m n\u1ed3ng \u0111\u1ed9 \u2013 r\u00fat ng\u1eafn th\u1eddi gian \u2013 tr\u00e1ng n\u01b0\u1edbc ng\u1ecdt ngay.<\/p>\n
Ngu\u1ed3n tham kh\u1ea3o: EHEDG; 3-A Sanitary; t\u00e0i li\u1ec7u nh\u00e0 h\u00f3a ch\u1ea5t v\u1ec7 sinh.<\/p>\n
– D\u1ee5ng c\u1ee5 m\u1edbi (n\u1ed3i, b\u1ed3n, \u0111\u01b0\u1eddng \u1ed1ng): r\u1eeda trung t\u00ednh, t\u1ea9y nh\u1eb9, th\u1ee5 \u0111\u1ed9ng (n\u1ebfu c\u1ea7n), sau \u0111\u00f3 ch\u1ea1y dung d\u1ecbch m\u00f4 ph\u1ecfng (n\u01b0\u1edbc + 0,5% axit citric) \u1edf 60\u201370\u00b0C trong 30\u201360 ph\u00fat r\u1ed3i tr\u00e1ng. B\u01b0\u1edbc n\u00e0y gi\u00fap \u1ed5n \u0111\u1ecbnh m\u00e0ng th\u1ee5 \u0111\u1ed9ng v\u00e0 r\u1eeda tr\u00f4i l\u01b0\u1ee3ng ion kim lo\u1ea1i r\u1ea5t nh\u1ecf \u1edf chu k\u1ef3 \u0111\u1ea7u.
\n– BfR v\u00e0 Euro Inox ghi nh\u1eadn sau v\u00e0i chu k\u1ef3 s\u1eed d\u1ee5ng\/\u0111un s\u00f4i, m\u1ee9c gi\u1ea3i ph\u00f3ng Ni\/Cr gi\u1ea3m \u0111\u00e1ng k\u1ec3 v\u00e0 \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi ng\u01b0\u1ee1ng an to\u00e0n.<\/p>\n
– Inox c\u00f3 t\u1ef1 di\u1ec7t khu\u1ea9n? Kh\u00f4ng (tr\u1eeb khi ph\u1ee7\/h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t). An to\u00e0n \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1edd thi\u1ebft k\u1ebf v\u1ec7 sinh, b\u1ec1 m\u1eb7t m\u1ecbn v\u00e0 quy tr\u00ecnh l\u00e0m s\u1ea1ch \u2013 kh\u1eed tr\u00f9ng \u0111\u00fang.
\n– D\u00f9ng inox 201 cho b\u1ebfp \u0103n t\u1eadp th\u1ec3 \u0111\u01b0\u1ee3c kh\u00f4ng? Kh\u00f4ng khuy\u1ebfn ngh\u1ecb \u1edf m\u00f4i tr\u01b0\u1eddng clorua\/\u1ea9m (d\u1ec5 r\u1ed7). N\u00ean d\u00f9ng 304, v\u00e0 316L cho n\u01b0\u1edbc mu\u1ed1i\/h\u1ea3i s\u1ea3n.
\n– Ng\u01b0\u1eddi d\u1ecb \u1ee9ng Ni c\u00f3 n\u00ean tr\u00e1nh inox? Inox gi\u1ea3i ph\u00f3ng Ni r\u1ea5t th\u1ea5p; r\u1ee7i ro th\u1ea5p trong ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m. N\u1ebfu c\u1ea7n t\u1ed1i thi\u1ec3u h\u00f3a Ni, c\u00e2n nh\u1eafc 316L ho\u1eb7c ferritic 430 cho b\u1ec1 m\u1eb7t kh\u00f4; nh\u01b0ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n \u0103n m\u00f2n cho ph\u00e9p.
\n– C\u00f3 n\u00ean d\u00f9ng javel (NaClO) \u0111\u1ec3 s\u00e1t khu\u1ea9n? Ch\u1ec9 d\u00f9ng n\u1ed3ng \u0111\u1ed9 th\u1ea5p, th\u1eddi gian ng\u1eafn; tr\u00e1nh k\u1ebft h\u1ee3p v\u1edbi axit; tr\u00e1ng s\u1ea1ch ngay. \u01afu ti\u00ean PAA ho\u1eb7c h\u01a1i n\u01b0\u1edbc.
\n– Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ph\u00f9 h\u1ee3p h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng? C\u00f3, v\u1edbi m\u00e1c\/ho\u00e0n thi\u1ec7n ph\u00f9 h\u1ee3p v\u00e0 ch\u1ee9ng nh\u1eadn NSF\/ANSI\/CAN 61; inox \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i cho \u1ed1ng, b\u1ed3n, v\u00f2i \u1edf b\u1ec7nh vi\u1ec7n, tr\u01b0\u1eddng h\u1ecdc.<\/p>\n
– B\u1ec1 m\u1eb7t inox \u1ed5n \u0111\u1ecbnh cho ph\u00e9p chu tr\u00ecnh v\u1ec7 sinh hi\u1ec7u qu\u1ea3 \u1edf n\u1ed3ng \u0111\u1ed9 h\u00f3a ch\u1ea5t th\u1ea5p h\u01a1n v\u00e0 t\u00e1i s\u1eed d\u1ee5ng l\u00e2u d\u00e0i, gi\u1ea3m ph\u00e1t th\u1ea3i v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi.
\n– Inox 100% t\u00e1i ch\u1ebf \u0111\u01b0\u1ee3c; thi\u1ebft k\u1ebf v\u1ec7 sinh h\u1ea1n ch\u1ebf th\u1ea5t tho\u00e1t s\u1ea3n ph\u1ea9m v\u00e0 ng\u1eebng m\u00e1y, g\u00f3p ph\u1ea7n v\u00e0o m\u1ee5c ti\u00eau c\u00f4ng tr\u00ecnh xanh.<\/p>\n
– Council of Europe CM\/Res(2013)9: Metals and alloys in food contact materials \u2013 Specific Release Limits.
\n– Euro Inox: Stainless Steel in Contact with Food \u2013 A Technical Guide.
\n– EHEDG: H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf v\u00e0 l\u00e0m s\u1ea1ch v\u1ec7 sinh (Doc 8, Doc 32).
\n– NSF\/ANSI 51, NSF\/ANSI\/CAN 61: V\u1eadt li\u1ec7u ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m\/n\u01b0\u1edbc u\u1ed1ng.
\n– ASTM A380\/A967: L\u00e0m s\u1ea1ch, t\u1ea9y v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a inox.
\n– ASME BPE; 3-A Sanitary Standards: Thi\u1ebft b\u1ecb v\u1ec7 sinh cho d\u01b0\u1ee3c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng.
\n– BfR (\u0110\u1ee9c): \u0110\u00e1nh gi\u00e1 gi\u1ea3i ph\u00f3ng kim lo\u1ea1i t\u1eeb \u0111\u1ed3 d\u00f9ng th\u00e9p kh\u00f4ng g\u1ec9.<\/p>\n
K\u1ebft lu\u1eadn
\n– Inox kh\u00f4ng \u201ct\u1ef1 di\u1ec7t khu\u1ea9n\u201d nh\u01b0ng l\u00e0 v\u1eadt li\u1ec7u v\u1ec7 sinh h\u00e0ng \u0111\u1ea7u nh\u1edd b\u1ec1 m\u1eb7t tr\u01a1, m\u1ecbn, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c quy tr\u00ecnh l\u00e0m s\u1ea1ch \u2013 kh\u1eed tr\u00f9ng nghi\u00eam ng\u1eb7t.
\n– V\u1edbi m\u00e1c v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t \u0111\u00fang, m\u1ee9c th\u00f4i nhi\u1ec5m Ni\/Cr t\u1eeb inox r\u1ea5t th\u1ea5p, ph\u00f9 h\u1ee3p gi\u1edbi h\u1ea1n an to\u00e0n cho ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m v\u00e0 n\u01b0\u1edbc.
\n– \u0110\u1ec3 t\u1ed1i \u0111a an to\u00e0n s\u1ee9c kh\u1ecfe: ch\u1ecdn \u0111\u00fang m\u00e1c (\u01b0u ti\u00ean 304\/316L), x\u1eed l\u00fd b\u1ec1 m\u1eb7t chu\u1ea9n (th\u1ee5 \u0111\u1ed9ng, \u0111i\u1ec7n h\u00f3a khi c\u1ea7n), thi\u1ebft k\u1ebf v\u1ec7 sinh (lo\u1ea1i b\u1ecf k\u1ebd h\u1edf, Ra \u2264 0,8 \u00b5m), v\u00e0 v\u1eadn h\u00e0nh CIP\/SIP chu\u1ea9n.
\n– \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p b\u1ec1n v\u1eefng, gi\u1ea3m chi ph\u00ed v\u00f2ng \u0111\u1eddi v\u00e0 r\u1ee7i ro v\u1ec7 sinh cho nh\u00e0 m\u00e1y, b\u1ebfp c\u00f4ng nghi\u1ec7p, b\u1ec7nh vi\u1ec7n v\u00e0 c\u00f4ng tr\u00ecnh n\u01b0\u1edbc s\u1ea1ch.<\/p>\n
C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c, b\u1ec1 m\u1eb7t v\u00e0 gi\u1ea3i ph\u00e1p v\u1ec7 sinh ph\u00f9 h\u1ee3p quy tr\u00ecnh c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox Cuong Thinh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chi ti\u1ebft 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":"
V\u00ec sao inox an to\u00e0n cho s\u1ee9c kh\u1ecfe? Ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng kh\u00e1ng b\u00e1m khu\u1ea9n, d\u1ec5 v\u1ec7 sinh v\u00e0 m\u1ee9c th\u00f4i nhi\u1ec5m kim lo\u1ea1i c\u1ef1c th\u1ea5p; k\u00e8m h\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c, x\u1eed l\u00fd, v\u1ec7 sinh.<\/p>\n","protected":false},"author":7,"featured_media":1074,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1531","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\/1531","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=1531"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1531\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1074"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}