Ng\u01b0\u1eddi ta th\u01b0\u1eddng n\u00f3i r\u1eb1ng ch\u1ea5t l\u00e0m m\u00e1t l\u00e0 m\u1ed9t lo\u1ea1i h\u00e0ng h\u00f3a, \u0111i\u1ec1u n\u00e0y \u0111\u00fang m\u1ed9t ph\u1ea7n, nh\u01b0ng ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ch\u1ea5t l\u1ecfng c\u01a1 b\u1ea3n. \u0110\u00e2y l\u00e0 h\u1ed7n h\u1ee3p n\u01b0\u1edbc\/glycol chi\u1ebfm kho\u1ea3ng 97,5% th\u00e0nh ph\u1ea9m \u0111\u00e3 ho\u00e0n th\u00e0nh, s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng. Gi\u00e1 tr\u1ecb th\u1ef1c c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t, v\u00e0 gi\u00e1 tr\u1ecb ph\u00e2n bi\u1ec7t ch\u1ea5t n\u00e0y v\u1edbi ch\u1ea5t kh\u00e1c, l\u00e0 g\u00f3i ph\u1ee5 gia ho\u1eb7c ch\u1ea5t \u1ee9c ch\u1ebf t\u1ea1o n\u00ean s\u1ef1 c\u00e2n b\u1eb1ng ch\u1ec9 kho\u1ea3ng 2,5%.<\/p>\n
Cho \u0111\u1ebfn ng\u00e0y nay c\u00f3 m\u1ed9t s\u1ed1 c\u00e1c lo\u1ea1i dung d\u1ecbch l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i nh\u01b0 sau: IAT (C\u00f4ng ngh\u1ec7 ph\u1ee5 gia v\u00f4 c\u01a1) v\u00e0 OAT (C\u00f4ng ngh\u1ec7 ph\u1ee5 gia h\u1eefu c\u01a1). C\u00e1c ch\u1ea5t l\u00e0m m\u00e1t ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1edbi nhau th\u00f4ng qua c\u00e1c ch\u1ea5t ph\u1ee5 gia \u1ee9c ch\u1ebf v\u00e0 thu\u1ed1c nhu\u1ed9m c\u1ee7a ch\u00fang. V\u00ec thu\u1ed1c nhu\u1ed9m kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c quy \u01b0\u1edbc m\u00e0u ti\u00eau chu\u1ea9n, n\u00ean c\u00e1ch kh\u00e1ch quan duy nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u00e0m m\u00e1t l\u00e0 th\u00f4ng qua c\u00e1c ch\u1ea5t ph\u1ee5 gia c\u1ee7a ch\u00fang. Nh\u1eefng ch\u1ea5t ph\u1ee5 gia n\u00e0y c\u00f3 v\u1ebb \u0111a d\u1ea1ng, nh\u01b0ng th\u1ef1c s\u1ef1 ch\u1ec9 c\u00f3 hai lo\u1ea1i ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean th\u1ebf gi\u1edbi ng\u00e0y nay \u0111\u00f3 l\u00e0 IAT & OAT.<\/p>\n
Trong b\u00e0i \u0111\u0103ng n\u00e0y, ch\u00fang ta s\u1ebd xem x\u00e9t h\u1ecd ch\u1ea5t l\u00e0m m\u00e1t OAT, c\u00e1c lo\u1ea1i c\u1ee7a ch\u00fang v\u00e0 l\u00fd do t\u1ea1i sao h\u00f3a h\u1ecdc c\u1ee7a ch\u00fang \u0111\u00e3 t\u1ea1o n\u00ean cu\u1ed9c c\u00e1ch m\u1ea1ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 trong hai th\u1eadp k\u1ef7 qua. N\u00f3 c\u0169ng \u0111\u1ea1i di\u1ec7n cho h\u1ea7u h\u1ebft th\u1ecb tr\u01b0\u1eddng trong c\u1ea3 ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng.<\/p>\n
Nh\u01b0 b\u1ea1n \u0111\u00e3 t\u00ecm hi\u1ec3u trong b\u00e0i tr\u01b0\u1edbc, ch\u1ea5t l\u00e0m m\u00e1t IAT t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t tr\u00ean m\u1eb7t ch\u1ea5t l\u00e0m m\u00e1t c\u1ee7a l\u00f3t xi lanh \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 \u0103n m\u00f2n \u1edf \u0111\u00f3. Trong qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh m\u00e0ng b\u1ec1 m\u1eb7t n\u00e0y, c\u00e1c th\u00e0nh ph\u1ea7n \u1ee9c ch\u1ebf v\u00f4 c\u01a1 c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t \u2014 silicat, ph\u1ed1t ph\u00e1t, borat, v.v. \u2014 b\u1ecb c\u1ea1n ki\u1ec7t v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n mong mu\u1ed1n.<\/p>\n
\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t ng\u1eafn h\u01a1n v\u00e0 kho\u1ea3ng th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng ng\u1eafn h\u01a1n, khi \u0111\u00f3 ng\u01b0\u1eddi ta ph\u1ea3i b\u1ed5 sung c\u00e1c ch\u1ea5t ph\u1ee5 gia b\u1ed5 sung cho ch\u1ea5t l\u00e0m m\u00e1t (SCA) ho\u1eb7c th\u00e1o h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 mua ch\u1ea5t l\u00e0m m\u00e1t m\u1edbi. V\u1ea5n \u0111\u1ec1 th\u1ee9 hai l\u00e0 b\u1ea3n th\u00e2n m\u00e0ng b\u1ec1 m\u1eb7t l\u00e0m gi\u1ea3m s\u1ef1 trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 l\u1edbp l\u00f3t xi lanh, v\u00e0 \u0111i\u1ec1u n\u00e0y l\u00e0m m\u1ea5t t\u1ed5 ch\u1ee9c c\u00e2n b\u1eb1ng nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1. Cu\u1ed1i c\u00f9ng, c\u00e1c oxit v\u00f4 c\u01a1 th\u01b0\u1eddng ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra c\u00e1c c\u1eb7n b\u1ea9n l\u00e0m t\u1eafc ngh\u1ebdn h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t.<\/p>\n
Ch\u1ea5t l\u00e0m m\u00e1t theo c\u00f4ng ngh\u1ec7 Axit h\u1eefu c\u01a1 (Organic Acid Technology \u2013 OAT) s\u1eed d\u1ee5ng axit cacboxylic l\u00e0m ch\u1ea5t \u1ee9c ch\u1ebf ch\u00ednh trong s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd. C\u00e1c axit cacboxylic t\u1ea1o th\u00e0nh cacboxylat trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t, v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y c\u1ea1n ki\u1ec7t ch\u1eadm h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c ch\u1ea5t v\u00f4 c\u01a1, \u0111\u1ed3ng th\u1eddi ng\u0103n ch\u1eb7n s\u1ef1 \u0103n m\u00f2n hi\u1ec7u qu\u1ea3.<\/p>\n
C\u00e1c th\u00e0nh ph\u1ea7n h\u1eefu c\u01a1 n\u00e0y c\u0169ng tr\u00e1nh \u0111\u01b0\u1ee3c h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 m\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia v\u00f4 c\u01a1 r\u01a1i v\u00e0o, t\u00f9y theo ph\u1ea3n \u1ee9ng c\u1ee7a ch\u00fang v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc. Do \u0111\u00f3, nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a ch\u00fang \u0111\u00e3 khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho h\u1ea7u h\u1ebft c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n
B\u00e2y gi\u1edd, ch\u00fang ta h\u00e3y xem x\u00e9t m\u1ed9t s\u1ed1 bi\u1ebfn th\u1ec3 ph\u1ee5 gia ph\u1ed5 bi\u1ebfn h\u01a1n c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t OAT c\u00f9ng v\u1edbi m\u1ed9t ch\u00fat th\u00f4ng tin v\u1ec1 t\u1eebng bi\u1ebfn th\u1ec3:<\/p>\n
\u2022 OAT : Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, nh\u1eefng ch\u1ea5t n\u00e0y ho\u00e0n to\u00e0n s\u1eed d\u1ee5ng ph\u1ee5 gia cacboxylate \u0111\u1ec3 \u1ee9c ch\u1ebf \u0103n m\u00f2n, gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi. Ch\u00fang t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp l\u00ean c\u00e1c v\u1ecb tr\u00ed \u0103n m\u00f2n kim lo\u1ea1i ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1ea1o th\u00e0nh m\u00e0ng b\u1ec1 m\u1eb7t tr\u00ean kim lo\u1ea1i. Ch\u00fang kh\u00f4ng s\u1eed d\u1ee5ng ph\u1ee5 gia v\u00f4 c\u01a1, \u00edt y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng nh\u1ea5t, t\u1ed3n t\u1ea1i l\u00e2u nh\u1ea5t trong s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u1edf \u0111\u00e2y v\u00e0 t\u01b0\u01a1ng th\u00edch \u1edf h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i xe h\u1ea1ng nh\u1eb9. Tham kh\u1ea3o ASTM D3306 v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p trong vi\u1ec7c th\u1eed nghi\u1ec7m ch\u1ea5t l\u00e0m m\u00e1t ho\u1ea1t \u0111\u1ed9ng nh\u1eb9 nh\u01b0 OAT.<\/p>\n
\u2022 N- HOAT (ho\u1eb7c Nitrited OAT): C\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 m\u1ed9t OAT lai (HOAT) k\u1ebft h\u1ee3p nitrit v\u00f4 c\u01a1 v\u00e0 axit cacboxylic h\u1eefu c\u01a1. Nitrit \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn t\u1ea3i h\u1ea1ng n\u1eb7ng, \u0111\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c \u1ee9c ch\u1ebf \u0103n m\u00f2n v\u00e0 x\u00e2m th\u1ef1c. Trong khi nitrit c\u0169ng b\u1ecb c\u1ea1n ki\u1ec7t nhanh ch\u00f3ng nh\u01b0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t IAT, c\u00e1c cacboxylat h\u1eefu c\u01a1 th\u1ef1c hi\u1ec7n h\u1ea7u h\u1ebft vi\u1ec7c b\u1ea3o v\u1ec7, do \u0111\u00f3 h\u00f3a h\u1ecdc N-HOAT v\u1eabn tr\u00e1nh \u0111\u01b0\u1ee3c h\u1ea7u h\u1ebft c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a h\u00f3a h\u1ecdc IAT. Tham kh\u1ea3o ASTM D6210 v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p trong th\u1eed nghi\u1ec7m ch\u1ea5t l\u00e0m m\u00e1t h\u1ea1ng n\u1eb7ng nh\u01b0 N-HOAT. OAT h\u1ed7n h\u1ee3p th\u01b0\u1eddng y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng nhi\u1ec1u h\u01a1n OAT nguy\u00ean ch\u1ea5t do t\u1ef7 l\u1ec7 c\u1ea1n ki\u1ec7t c\u1ee7a c\u00e1c ch\u1ea5t ph\u1ee5 gia v\u00f4 c\u01a1 cao h\u01a1n.<\/p>\n
\u2022 P-HOAT (ho\u1eb7c Phosphated OAT): M\u1ed9t lo\u1ea1i h\u1ed7n h\u1ee3p kh\u00e1c, lo\u1ea1i ch\u1ea5t l\u00e0m m\u00e1t n\u00e0y kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf c\u00e1c qu\u1ed1c gia c\u00f3 n\u01b0\u1edbc c\u1ee9ng, v\u00ec ph\u1ed1t ph\u00e1t ph\u1ea3n \u1ee9ng t\u1ea1o ra s\u1ef1 \u0103n m\u00f2n \u0111\u00f3ng c\u1eb7n \u1edf b\u00ean trong h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t \u2014 do \u0111\u00f3, ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf Ch\u00e2u \u00c2u, B\u1eafc M\u1ef9, ho\u1eb7c Trung \u0110\u00f4ng, n\u01a1i n\u01b0\u1edbc c\u1ee9ng ph\u1ed5 bi\u1ebfn. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb n\u00e0y \u1edf h\u1ea7u h\u1ebft ch\u00e2u \u00c1, n\u01a1i n\u01b0\u1edbc m\u1ec1m ph\u1ed5 bi\u1ebfn.<\/p>\n
\u2022 Si-HOAT (ho\u1eb7c Silicated OAT): C\u00e1c gi\u1ed1ng lai silic h\u00f3a ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf Ch\u00e2u \u00c2u. \u1ede ch\u00e2u \u00c1, \u0111\u1eb7c bi\u1ec7t l\u00e0 Nh\u1eadt B\u1ea3n, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1edbi ph\u1edbt m\u00e1y b\u01a1m n\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t k\u00e9m \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u1ea5m c\u00e1c ch\u1ea5t l\u00e0m m\u00e1t c\u00f3 ch\u1ee9a silicat. IAT silicat r\u1ea5t hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n, nh\u01b0ng c\u1ea1n ki\u1ec7t r\u1ea5t nhanh, v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 h\u00e0m l\u01b0\u1ee3ng silicat th\u1ea5p trong IAT c\u00f3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t. iiiM\u1eb7t kh\u00e1c, lai silic h\u00f3a c\u00f3 hi\u1ec7u qu\u1ea3 trong th\u1eddi gian d\u00e0i h\u01a1n do c\u00f3 c\u00e1c axit h\u1eefu c\u01a1 \u0111i k\u00e8m.<\/p>\n
V\u1edbi r\u1ea5t nhi\u1ec1u c\u00f4ng ngh\u1ec7 v\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn kh\u00e1c nhau, th\u1eadt d\u1ec5 hi\u1ec3u t\u1ea1i sao ch\u1ea5t l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t trong nh\u1eefng l\u0129nh v\u1ef1c b\u1ea3o d\u01b0\u1ee1ng kh\u00f3 hi\u1ec3u nh\u1ea5t m\u00e0 ch\u00fang ta ph\u1ea3i \u0111\u1ed1i m\u1eb7t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec1u c\u1ea7n xem x\u00e9t khi c\u00f3 th\u1eafc m\u1eafc li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t c\u1ee7a b\u1ea1n.<\/p>\n
Q: V\u1edbi t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng ngh\u1ec7 hi\u1ec7n c\u00f3, l\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 bi\u1ebft s\u1ea3n ph\u1ea9m n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi xe c\u1ee7a t\u00f4i?<\/p>\n
A: T\u1ed1t h\u01a1n h\u1ebft l\u00e0 b\u1ea1n n\u00ean tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng xe c\u1ee7a m\u00ecnh \u0111\u1ec3 bi\u1ebft th\u00f4ng tin v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 ch\u1ea5t l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb t\u1eeb Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM). \u0110\u1eebng ch\u1ecdn ch\u1ea5t l\u00e0m m\u00e1t d\u1ef1a tr\u00ean gi\u00e1 c\u1ea3; ch\u1ecdn n\u00f3 d\u1ef1a tr\u00ean hi\u1ec7u su\u1ea5t. Xe t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee5 th\u1ec3 th\u01b0\u1eddng y\u00eau c\u1ea7u m\u1ed9t c\u00f4ng th\u1ee9c l\u00e0m m\u00e1t c\u1ee5 th\u1ec3.<\/p>\n
H\u1ecfi: Mi\u1ec5n l\u00e0 t\u00f4i s\u1eed d\u1ee5ng \u0111\u00fang ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 \u1edf trong d\u1ecbch v\u1ee5 do OEM \u0111\u1ec1 xu\u1ea5t, t\u00f4i c\u00f3 th\u1ec3 ch\u1ec9 c\u1ea7n b\u1ed5 sung ch\u1ea5t l\u00e0m m\u00e1t n\u1ebfu n\u00f3 xu\u1ed1ng th\u1ea5p kh\u00f4ng? T\u1ea1i sao th\u1eed nghi\u1ec7m l\u1ea1i quan tr\u1ecdng nh\u01b0 v\u1eady?<\/p>\n
A: C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t theo th\u1eddi gian, ch\u1eb3ng h\u1ea1n nh\u01b0 qu\u00e1 tr\u00ecnh oxy h\u00f3a, \u0111\u1ed9 pH v\u00e0 s\u1ef1 c\u1ea1n ki\u1ec7t ph\u1ee5 gia, c\u00f3 th\u1ec3 k\u1ec3 t\u00ean m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1. \u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ki\u1ec3m tra ch\u1ea5t l\u00e0m m\u00e1t th\u00edch h\u1ee3p l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ea5t k\u1ef3 ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 n\u00e0o v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng ASTM D3306 v\u00e0 D6210 n\u00f3i tr\u00ean s\u1ebd gi\u00fap b\u1ea1n th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 c\u1ee7a m\u00ecnh.<\/p>\n
Dung d\u1ecbch l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 BlueOne Coolant l\u00e0 s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 Axit h\u1eefu c\u01a1 (Organic Acid Technology \u2013 OAT). C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 \u01b0u \u0111i\u1ec3m b\u1ea3o v\u1ec7, ch\u1ed1ng \u0103n m\u00f2n v\u1eadt li\u1ec7u kim lo\u1ea1i (Magie, nh\u00f4m,\u2026) tr\u00ean c\u00e1c \u0111\u1ed9ng c\u01a1 th\u1ebf h\u1ec7 m\u1edbi d\u1ef1a tr\u00ean axit h\u1eefu c\u01a1 v\u00e0 azole trung h\u00f2a, t\u1eeb \u0111\u00f3 gi\u00fap gia t\u0103ng tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1, kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh t\u1ed1i \u01b0u, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ng\u01b0\u1eddi ta th\u01b0\u1eddng n\u00f3i r\u1eb1ng ch\u1ea5t l\u00e0m m\u00e1t l\u00e0 m\u1ed9t lo\u1ea1i h\u00e0ng h\u00f3a, \u0111i\u1ec1u n\u00e0y \u0111\u00fang m\u1ed9t ph\u1ea7n, nh\u01b0ng ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ch\u1ea5t l\u1ecfng c\u01a1 b\u1ea3n. \u0110\u00e2y l\u00e0 h\u1ed7n h\u1ee3p n\u01b0\u1edbc\/glycol chi\u1ebfm kho\u1ea3ng 97,5% th\u00e0nh ph\u1ea9m \u0111\u00e3 ho\u00e0n th\u00e0nh, s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng. Gi\u00e1 tr\u1ecb th\u1ef1c c\u1ee7a ch\u1ea5t l\u00e0m m\u00e1t, v\u00e0 gi\u00e1 tr\u1ecb ph\u00e2n […]\n","protected":false},"author":1,"featured_media":70,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-88","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=\/wp\/v2\/posts\/88","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=88"}],"version-history":[{"count":3,"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=\/wp\/v2\/posts\/88\/revisions"}],"predecessor-version":[{"id":214,"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=\/wp\/v2\/posts\/88\/revisions\/214"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=\/wp\/v2\/media\/70"}],"wp:attachment":[{"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=88"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=88"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blueonemienbac.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}