{"id":840,"date":"2025-03-17T10:55:12","date_gmt":"2025-03-17T02:55:12","guid":{"rendered":"https:\/\/hengoseal.com\/?p=840"},"modified":"2025-03-17T10:55:12","modified_gmt":"2025-03-17T02:55:12","slug":"ptfe-seals-extreme-chemical-applications","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/vi\/ptfe-seals-extreme-chemical-applications\/","title":{"rendered":"T\u1ea1i sao n\u00ean ch\u1ecdn ph\u1edbt PTFE cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00f3a ch\u1ea5t kh\u1eafc nghi\u1ec7t (H\u01b0\u1edbng d\u1eabn n\u0103m 2025)"},"content":{"rendered":"
Ph\u1edbt PTFE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 y t\u1ebf<\/strong> do c\u1ee7a h\u1ecd kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t \u0111\u1eb7c bi\u1ec7t v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t<\/strong>. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i ph\u1edbt PTFE \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i v\u00e0 ho\u1ea1t \u0111\u1ed9ng ch\u1ed1ng r\u00f2 r\u1ec9<\/strong>.<\/p>\n H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m \u01afu \u0111i\u1ec3m c\u1ee7a ph\u1edbt PTFE, \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u, \u1ee9ng d\u1ee5ng v\u00e0 c\u1ea3i ti\u1ebfn hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf<\/strong>.<\/p>\n PTFE (Polytetrafluoroethylene), th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Teflon<\/strong>, l\u00e0 m\u1ed9t polyme kh\u00f4ng ph\u1ea3n \u1ee9ng, hi\u1ec7u su\u1ea5t cao<\/strong> cung c\u1ea5p:<\/p>\n Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c lo\u1ea1i gio\u0103ng cao su th\u00f4ng th\u01b0\u1eddng, PTFE c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t cao, h\u00f3a ch\u1ea5t \u0103n m\u00f2n v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t<\/strong>, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn \u01b0a th\u00edch cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/strong>.<\/p>\n Con d\u1ea5u PTFE l\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u00f2 ph\u1ea3n \u1ee9ng, van v\u00e0 m\u00e1y b\u01a1m<\/strong>, n\u01a1i h\u1ecd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i khi ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t m\u1ea1nh<\/strong>.<\/p>\n M\u1ed8T nh\u00e0 m\u00e1y l\u1ecdc h\u00f3a d\u1ea7u<\/strong> \u0111\u1ed1i m\u1eb7t l\u1ed7i ni\u00eam phong th\u01b0\u1eddng xuy\u00ean<\/strong> b\u1edfi v\u00ec \u0103n m\u00f2n axit<\/strong> V\u00e0 bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 cao<\/strong>. Sau khi chuy\u1ec3n sang Ph\u1edbt tr\u1ee5c l\u00e0m t\u1eeb PTFE<\/strong>, h\u1ecd \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c: V\u00ec gi\u1ea3i ph\u00e1p ni\u00eam phong PTFE cao c\u1ea5p<\/strong>, h\u00e3y tin t\u01b0\u1edfng HENGOSEAL. <\/p>\n
\n\u0110i\u1ec1u g\u00ec l\u00e0m cho ph\u1edbt PTFE l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t?<\/strong><\/h2>\n
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T\u1ea1i sao ph\u1edbt PTFE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p?<\/strong><\/h3>\n
\nPTFE so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u l\u00e0m k\u00edn kh\u00e1c: Lo\u1ea1i n\u00e0o t\u1ed1t nh\u1ea5t?<\/strong><\/h2>\n
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\n V\u1eadt li\u1ec7u ni\u00eam phong<\/strong><\/th>\n Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 (\u00b0C)<\/strong><\/th>\n \u01afu \u0111i\u1ec3m ch\u00ednh<\/strong><\/th>\n \u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/strong><\/th>\n<\/tr>\n<\/thead>\n\n \n PTFE (Teflon\u00ae)<\/strong><\/td>\n -200 \u0111\u1ebfn 260<\/td>\n Tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t<\/td>\n Nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, thi\u1ebft b\u1ecb y t\u1ebf<\/td>\n<\/tr>\n \n NBR (Nitrile)<\/strong><\/td>\n -40 \u0111\u1ebfn 120<\/td>\n Ch\u1ed1ng d\u1ea7u, linh ho\u1ea1t<\/td>\n \u00d4 t\u00f4, ph\u1edbt th\u1ee7y l\u1ef1c<\/td>\n<\/tr>\n \n FKM (Viton\u00ae)<\/strong><\/td>\n -20 \u0111\u1ebfn 230<\/td>\n Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 nhi\u00ean li\u1ec7u cao<\/td>\n H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, h\u1ec7 th\u1ed1ng nhi\u00ean li\u1ec7u<\/td>\n<\/tr>\n \n EPDM<\/strong><\/td>\n -50 \u0111\u1ebfn 150<\/td>\n Ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, b\u1ec1n b\u1ec9<\/td>\n Ni\u00eam phong ngo\u00e0i tr\u1eddi, HVAC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Nh\u1eefng ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o s\u1eed d\u1ee5ng ph\u1edbt PTFE?<\/strong><\/h3>\n
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\nPh\u1edbt PTFE trong nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t<\/strong><\/h2>\n
L\u00e0m th\u1ebf n\u00e0o PTFE Seals lo\u1ea1i b\u1ecf th\u1eddi gian ch\u1ebft trong m\u1ed9t c\u01a1 s\u1edf ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t<\/strong><\/h3>\n
\n\u2705 Kh\u00f4ng c\u00f3 l\u1ed7i ni\u00eam phong n\u00e0o trong h\u01a1n 2 n\u0103m<\/strong>
\n\u2705 T\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng th\u00eam 30%<\/strong>
\n\u2705 Gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec xu\u1ed1ng c\u00f2n 50%<\/strong> <\/p>\n
\nNh\u1eadn ph\u1edbt PTFE c\u1ea5p c\u00f4ng nghi\u1ec7p t\u1eeb HENGOSEAL<\/strong><\/h2>\n