{"id":842,"date":"2025-03-17T11:46:20","date_gmt":"2025-03-17T03:46:20","guid":{"rendered":"https:\/\/hengoseal.com\/?p=842"},"modified":"2025-03-17T11:46:20","modified_gmt":"2025-03-17T03:46:20","slug":"best-o-ring-materials-for-automotive-engines","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/vi\/best-o-ring-materials-for-automotive-engines\/","title":{"rendered":"V\u1eadt li\u1ec7u v\u00f2ng ch\u1eef O t\u1ed1t nh\u1ea5t cho \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4: Gi\u1ea3i ph\u00e1p b\u1ecbt k\u00edn hi\u1ec7u su\u1ea5t cao"},"content":{"rendered":"
V\u00f2ng \u0111\u1ec7m ch\u1eef O l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 k\u00edn kh\u00ed trong h\u1ec7 th\u1ed1ng nhi\u00ean li\u1ec7u, \u0111\u01b0\u1eddng \u1ed1ng l\u00e0m m\u00e1t v\u00e0 \u0111\u01b0\u1eddng d\u1eabn d\u1ea7u. Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho \u0111\u1ed9 b\u1ec1n nhi\u1ec7t \u0111\u1ed9 cao, kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i<\/strong>.<\/p>\nT\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00f2ng ch\u1eef O ph\u00f9 h\u1ee3p l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4?<\/h2>\n\n- M\u00f4i tr\u01b0\u1eddng \u0111\u1ed9ng c\u01a1 l\u00e0 n\u00f3ng, c\u00f3 t\u00ednh \u0103n m\u00f2n h\u00f3a h\u1ecdc v\u00e0 \u00e1p su\u1ea5t cao<\/strong>.<\/li>\n
- Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00f2ng ch\u1eef O kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 d\u1ea7u, r\u00f2 r\u1ec9 nhi\u00ean li\u1ec7u v\u00e0 h\u1ecfng mi\u1ebfng \u0111\u1ec7m<\/strong>.<\/li>\n
- V\u1eadt li\u1ec7u ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ea5t l\u1ecfng \u00f4 t\u00f4 v\u00e0 \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc<\/strong>.<\/li>\n<\/ul>\n
V\u1eadt li\u1ec7u n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho v\u00f2ng ch\u1eef O trong \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao?<\/h2>\n
C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau cung c\u1ea5p c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u00f3a ch\u1ea5t<\/strong>. C\u00e1c l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t bao g\u1ed3m:<\/p>\nV\u00f2ng \u0111\u1ec7m ch\u1eef O Viton (FKM) \u2013 T\u1ed1t nh\u1ea5t cho kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 nhi\u00ean li\u1ec7u<\/h3>\n\n- Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a:<\/strong> 200\u00b0C<\/li>\n
- C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i:<\/strong> Nhi\u00ean li\u1ec7u, d\u1ea7u, ch\u1ea5t b\u00f4i tr\u01a1n t\u1ed5ng h\u1ee3p<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> Kim phun nhi\u00ean li\u1ec7u, ph\u1edbt d\u1ea7u, h\u1ec7 th\u1ed1ng t\u0103ng \u00e1p<\/li>\n<\/ul>\n
V\u00f2ng \u0111\u1ec7m ch\u1eef O Nitrile (NBR) \u2013 Ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 ch\u1ed1ng d\u1ea7u<\/h3>\n\n- Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a:<\/strong> 120\u00b0C<\/li>\n
- C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i:<\/strong> D\u1ea7u g\u1ed1c d\u1ea7u m\u1ecf, n\u01b0\u1edbc<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> Gio\u0103ng, ph\u1edbt \u0111\u1ed9ng c\u01a1 \u0111a n\u0103ng<\/li>\n<\/ul>\n
V\u00f2ng \u0111\u1ec7m ch\u1eef O b\u1eb1ng silicon \u2013 T\u1ed1t nh\u1ea5t cho hi\u1ec7u su\u1ea5t th\u1eddi ti\u1ebft l\u1ea1nh<\/h3>\n\n- Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a:<\/strong> 230\u00b0C<\/li>\n
- C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i:<\/strong> Ch\u1ea5t l\u00e0m m\u00e1t, ozon, c\u1ef1c l\u1ea1nh<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> \u1ee8ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, h\u1ec7 th\u1ed1ng HVAC \u00f4 t\u00f4<\/li>\n<\/ul>\n
T\u1ea1i sao c\u00e1c \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau l\u1ea1i y\u00eau c\u1ea7u v\u1eadt li\u1ec7u v\u00f2ng \u0111\u1ec7m ch\u1eef O kh\u00e1c nhau?<\/h2>\n
Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00f2ng ch\u1eef O ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i \u0111\u1ed9ng c\u01a1 v\u00e0 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng<\/strong>:<\/p>\n\n\n\nLo\u1ea1i \u0111\u1ed9ng c\u01a1<\/th>\n | V\u1eadt li\u1ec7u v\u00f2ng ch\u1eef O \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/th>\n | L\u1ee3i \u00edch ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n |
\n\nXe th\u1ec3 thao hi\u1ec7u su\u1ea5t cao<\/strong><\/td>\nViton (FKM)<\/td>\n | Ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 d\u1ea7u t\u1ed5ng h\u1ee3p<\/td>\n<\/tr>\n | \nXe t\u1ea3i th\u01b0\u01a1ng m\u1ea1i & \u0110\u1ed9ng c\u01a1 Diesel<\/strong><\/td>\nCao su Nitrile (NBR)<\/td>\n | Ti\u1ebft ki\u1ec7m chi ph\u00ed, kh\u1ea3 n\u0103ng ch\u1ed1ng d\u1ea7u tuy\u1ec7t v\u1eddi<\/td>\n<\/tr>\n | \nH\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t xe \u0111i\u1ec7n (EV)<\/strong><\/td>\nSilicon<\/td>\n | Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft l\u1ea1nh v\u00e0 ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t l\u00e0m m\u00e1t<\/td>\n<\/tr>\n | \n\u0110\u1ed9ng c\u01a1 c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng<\/strong><\/td>\nViton (FKM)<\/td>\n | Ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u00ean li\u1ec7u, nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u2705 Ph\u1ea7n k\u1ebft lu\u1eadn:<\/strong> \u0110\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao y\u00eau c\u1ea7u Viton<\/strong>, trong khi c\u00e1c \u1ee9ng d\u1ee5ng chung c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng NBR<\/strong> \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\nV\u00f2ng \u0111\u1ec7m ch\u1eef O Viton so v\u1edbi Nitrile \u2013 Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n cho \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4?<\/h2>\n\n\n\nT\u00e0i s\u1ea3n<\/th>\n | Viton (FKM)<\/th>\n | Cao su Nitrile (NBR)<\/th>\n<\/tr>\n<\/thead>\n | \n\nKh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td>\n | L\u00ean \u0111\u1ebfn 200\u00b0C<\/td>\n | L\u00ean \u0111\u1ebfn 120\u00b0C<\/td>\n<\/tr>\n | \nKh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u00ean li\u1ec7u v\u00e0 d\u1ea7u<\/td>\n | Xu\u1ea5t s\u1eafc<\/td>\n | V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n | \n\u0110\u1ed9 b\u1ec1n<\/td>\n | Cao<\/td>\n | V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n | \nTr\u1ecb gi\u00e1<\/td>\n | Cao h\u01a1n<\/td>\n | Th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n | \nT\u1ed1t nh\u1ea5t cho<\/td>\n | \u0110\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao<\/td>\n | \u1ee8ng d\u1ee5ng \u0111\u1ed9ng c\u01a1 ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u2705 Ph\u00e1n quy\u1ebft:<\/strong> N\u1ebfu \u0111\u1ed9ng c\u01a1 c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng trong nhi\u1ec7t \u0111\u1ed9 cao<\/strong> V\u00e0 gi\u00e0u h\u00f3a ch\u1ea5t<\/strong> m\u00f4i tr\u01b0\u1eddng, V\u00f2ng \u0111\u1ec7m ch\u1eef O Viton<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/p>\nL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00f2ng ch\u1eef O ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9ng c\u01a1 c\u1ee7a b\u1ea1n?<\/h2>\nCh\u1ecdn \u0111\u00fang k\u00edch c\u1ee1 gi\u00fap ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 v\u00e0 \u0111\u1ea3m b\u1ea3o v\u1eeba v\u1eb7n an to\u00e0n. C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh bao g\u1ed3m:<\/p>\n \n- \u0110\u01b0\u1eddng k\u00ednh b\u00ean trong (ID)<\/strong><\/li>\n
- M\u1eb7t c\u1eaft ngang (CS)<\/strong><\/li>\n
- \u0110\u1ed9 c\u1ee9ng Durometer (Thang \u0111o Shore A)<\/strong><\/li>\n<\/ul>\n
B\u1ea3ng k\u00edch th\u01b0\u1edbc v\u00f2ng ch\u1eef O ti\u00eau chu\u1ea9n (Ti\u00eau chu\u1ea9n AS568)<\/strong>:<\/p>\n\n\n\nK\u00edch th\u01b0\u1edbc v\u00f2ng ch\u1eef O<\/th>\n | \u0110\u01b0\u1eddng k\u00ednh b\u00ean trong (ID)<\/th>\n | M\u1eb7t c\u1eaft ngang (CS)<\/th>\n<\/tr>\n<\/thead>\n | \n\nAS568-110<\/td>\n | 7,65mm<\/td>\n | 1,78mm<\/td>\n<\/tr>\n | \nAS568-214<\/td>\n | 22,22mm<\/td>\n | 3,53mm<\/td>\n<\/tr>\n | \nAS568-325<\/td>\n | 63,09mm<\/td>\n | 5,33mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u2705 M\u1eb9o:<\/strong> Lu\u00f4n lu\u00f4n tham kh\u1ea3o Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt OEM<\/strong> ho\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t th\u01b0\u1edbc c\u1eb7p k\u1ef9 thu\u1eadt s\u1ed1<\/strong> \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.<\/p>\n | | | | | | |