{"id":8594,"date":"2026-08-03T16:14:47","date_gmt":"2026-08-03T08:14:47","guid":{"rendered":"https:\/\/rysilicone.com\/?p=8594"},"modified":"2026-08-03T16:18:22","modified_gmt":"2026-08-03T08:18:22","slug":"silicones-gas-permeability","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/vi\/silicones-gas-permeability\/","title":{"rendered":"T\u00ednh th\u1ea5m c\u1ee7a silicone: Kh\u00ed v\u00e0 h\u01a1i \u0111i qua cao su silicone nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u1ed9t l\u1edbp keo silicon c\u00f3 th\u1ec3 ng\u0103n n\u01b0\u1edbc l\u1ecfng nh\u01b0ng v\u1eabn cho ph\u00e9p oxy, carbon dioxide ho\u1eb7c h\u01a1i n\u01b0\u1edbc \u0111i qua. M\u00e2u thu\u1eabn r\u00f5 r\u00e0ng n\u00e0y g\u00e2y ra l\u1ed7i trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c v\u1ecf k\u00edn, m\u00e0ng ng\u0103n, <a href=\"https:\/\/rysilicone.com\/vi\/silicone-tubing\/\">\u1ed1ng silicone<\/a>, v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ea1y c\u1ea3m v\u1edbi \u00e1p l\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng th\u1ea5m kh\u00ed c\u1ee7a silicone t\u01b0\u01a1ng \u0111\u1ed1i cao v\u00ec c\u00e1c ph\u00e2n t\u1eed kh\u00ed h\u00f2a tan v\u00e0o ch\u1ea5t \u0111\u00e0n h\u1ed3i v\u00e0 khu\u1ebfch t\u00e1n qua th\u1ec3 t\u00edch tr\u1ed1ng gi\u1eefa c\u00e1c chu\u1ed7i siloxan linh \u0111\u1ed9ng c\u1ee7a n\u00f3. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ea5t l\u1ecfng, nh\u01b0ng kh\u00f4ng t\u1ef1 \u0111\u1ed9ng tr\u1edf th\u00e0nh r\u00e0o c\u1ea3n kh\u00ed ho\u1eb7c h\u01a1i n\u01b0\u1edbc.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch v\u1ec1 \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u, c\u00e1c bi\u1ebfn s\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eabn v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n m\u00e0 k\u1ef9 s\u01b0 c\u1ea7n x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn h\u1ee3p ch\u1ea5t silicon.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 th\u1ea5m c\u1ee7a silicone l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 th\u1ea5m c\u1ee7a silicone l\u00e0 t\u1ed1c \u0111\u1ed9 m\u00e0 m\u1ed9t lo\u1ea1i kh\u00ed ho\u1eb7c h\u01a1i c\u1ee5 th\u1ec3 \u0111i qua silicone trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u kh\u1ed1i. N\u00f3 kh\u00f4ng gi\u1ed1ng v\u1edbi s\u1ef1 r\u00f2 r\u1ec9 qua khe h\u1edf, \u0111\u01b0\u1eddng ph\u00e2n t\u00e1ch, l\u1edbp ni\u00eam phong b\u1ecb h\u1ecfng ho\u1eb7c s\u1ef1 n\u00e9n \u00e9p kh\u00f4ng t\u1ed1t. <a href=\"https:\/\/rysilicone.com\/vi\/silicone-o-rings-suppliers\/\">v\u00f2ng \u0111\u1ec7m O-ring b\u1eb1ng silicon<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh th\u1ea9m th\u1ea5u di\u1ec5n ra qua ba giai \u0111o\u1ea1n:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kh\u00ed n\u00e0y h\u00f2a tan v\u00e0o ph\u00eda ch\u1ecbu \u00e1p su\u1ea5t cao c\u1ee7a silicon.<\/li>\n\n\n\n<li>C\u00e1c ph\u00e2n t\u1eed khu\u1ebfch t\u00e1n qua th\u1ec3 t\u00edch tr\u1ed1ng trong m\u1ea1ng l\u01b0\u1edbi polymer.<\/li>\n\n\n\n<li>Kh\u00ed tho\u00e1t ra kh\u1ecfi b\u1ec1 m\u1eb7t c\u00f3 \u00e1p su\u1ea5t th\u1ea5p.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-02-gas-moves-through-silicone-1024x576.jpg\" alt=\"\" class=\"wp-image-18750\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-02-gas-moves-through-silicone-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-02-gas-moves-through-silicone-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-02-gas-moves-through-silicone-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-02-gas-moves-through-silicone-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-02-gas-moves-through-silicone-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-02-gas-moves-through-silicone.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u00e0ng \u0111\u1ed3ng nh\u1ea5t \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh, m\u1ed1i quan h\u1ec7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a nh\u01b0 sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>L\u01b0u l\u01b0\u1ee3ng kh\u00ed t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 th\u1ea5m \u00d7 di\u1ec7n t\u00edch \u00d7 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t \u00f7 \u0111\u1ed9 d\u00e0y<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng tr\u00ecnh n\u00e0y t\u00e1ch bi\u1ec7t hai thu\u1eadt ng\u1eef th\u01b0\u1eddng b\u1ecb l\u1eabn l\u1ed9n v\u1edbi nhau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Thu\u1eadt ng\u1eef<\/th><th>N\u00f3 m\u00f4 t\u1ea3 \u0111i\u1ec1u g\u00ec?<\/th><th>H\u00ecnh h\u1ecdc c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng?<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 th\u1ea5m<\/td><td>M\u1ed9t thu\u1ed9c t\u00ednh n\u1ed9i t\u1ea1i c\u1ee7a m\u1ed9t v\u1eadt li\u1ec7u, kh\u00ed v\u00e0 nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh.<\/td><td>Kh\u00f4ng, khi \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a \u0111\u00fang c\u00e1ch.<\/td><\/tr><tr><td>\u0110\u1ed9 th\u1ea5m<\/td><td>\u0110\u1ed9 th\u1ea5m chia cho \u0111\u1ed9 d\u00e0y m\u00e0ng<\/td><td>\u0110\u00fang<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eabn kh\u00ed<\/td><td>Th\u1ec3 t\u00edch kh\u00ed \u0111i qua m\u1ed9t m\u1eabu x\u00e1c \u0111\u1ecbnh theo th\u1eddi gian<\/td><td>\u0110\u00fang v\u1eady, di\u1ec7n t\u00edch v\u00e0 \u0111\u1ed9 d\u00e0y \u0111\u1ec1u quan tr\u1ecdng.<\/td><\/tr><tr><td>T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9<\/td><td>D\u00f2ng ch\u1ea3y qua khe h\u1edf, giao di\u1ec7n ho\u1eb7c l\u1ed7i ni\u00eam phong.<\/td><td>Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi thi\u1ebft k\u1ebf v\u00e0 c\u00e1c khuy\u1ebft t\u1eadt c\u1ee7a gio\u0103ng.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ef7 l\u1ec7 r\u00f2 r\u1ec9 kh\u00ed \u0111o \u0111\u01b0\u1ee3c th\u1ea5p kh\u00f4ng ch\u1ee9ng minh r\u1eb1ng s\u1ef1 th\u1ea9m th\u1ea5u kh\u00ed l\u00e2u d\u00e0i l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3. Th\u1eed nghi\u1ec7m r\u00f2 r\u1ec9 v\u00e0 th\u1eed nghi\u1ec7m \u0111\u1ed9 th\u1ea5m kh\u00ed tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao cao su silicone l\u1ea1i c\u00f3 \u0111\u1ed9 th\u1ea5m cao?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/rysilicone.com\/vi\/complete-silicone-material-guide\/\">Cao su silicon<\/a> c\u00f3 t\u00ednh linh ho\u1ea1t <code>\u2013Si\u2013O\u2013Si\u2013<\/code> C\u1ea5u tr\u00fac x\u01b0\u01a1ng s\u1ed1ng, l\u1ef1c li\u00ean ph\u00e2n t\u1eed th\u1ea5p v\u00e0 \u0111\u1ed9 linh \u0111\u1ed9ng chu\u1ed7i cao. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y t\u1ea1o ra th\u1ec3 t\u00edch t\u1ef1 do t\u1ea1m th\u1eddi l\u1edbn h\u01a1n so v\u1edbi nhi\u1ec1u lo\u1ea1i cao su hydrocarbon v\u00e0 nh\u1ef1a nhi\u1ec7t d\u1ebbo. C\u00e1c ph\u00e2n t\u1eed kh\u00ed c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1eeb khe h\u1edf t\u1ea1m th\u1eddi n\u00e0y sang khe h\u1edf t\u1ea1m th\u1eddi kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 th\u1ea5m l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a hai t\u01b0\u01a1ng t\u00e1c v\u1eadt ch\u1ea5t:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>P = D \u00d7 S<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>P<\/code> \u0110\u00f3 l\u00e0 t\u00ednh th\u1ea5m.<\/li>\n\n\n\n<li><code>D<\/code> l\u00e0 h\u1ec7 s\u1ed1 khu\u1ebfch t\u00e1n.<\/li>\n\n\n\n<li><code>S<\/code> l\u00e0 \u0111\u1ed9 h\u00f2a tan c\u1ee7a kh\u00ed trong polyme.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00edch th\u01b0\u1edbc ph\u00e2n t\u1eed \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 khu\u1ebfch t\u00e1n, nh\u01b0ng ch\u1ec9 ri\u00eang k\u00edch th\u01b0\u1edbc kh\u00f4ng quy\u1ebft \u0111\u1ecbnh k\u1ebft qu\u1ea3. \u0110\u1ed9 h\u00f2a tan c\u1ee7a kh\u00ed trong polyme c\u00f3 th\u1ec3 chi ph\u1ed1i. V\u00ed d\u1ee5, carbon dioxide c\u00f3 th\u1ec3 th\u1ea9m th\u1ea5u qua dimethyl silicone nhanh h\u01a1n c\u00e1c kh\u00ed nh\u1ecf h\u01a1n v\u00ec n\u00f3 h\u00f2a tan trong polyme t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-03-gas-permeability-comparison-1024x576.jpg\" alt=\"\" class=\"wp-image-18751\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-03-gas-permeability-comparison-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-03-gas-permeability-comparison-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-03-gas-permeability-comparison-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-03-gas-permeability-comparison-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-03-gas-permeability-comparison-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-03-gas-permeability-comparison.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u tham kh\u1ea3o \u0111\u00e3 c\u00f4ng b\u1ed1 v\u1ec1 dimethyl silicone minh h\u1ecda s\u1ef1 kh\u00e1c bi\u1ec7t. C\u00e1c gi\u00e1 tr\u1ecb thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng th\u1ee9c v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m, v\u00ec v\u1eady b\u1ea3ng n\u00e0y h\u1eefu \u00edch cho vi\u1ec7c so s\u00e1nh t\u01b0\u01a1ng \u0111\u1ed1i ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a s\u1ea3n ph\u1ea9m ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kh\u00ed \u0111\u1ed1t<\/th><th>\u0110\u1ed9 th\u1ea5m \u00d7 10\u2079 cm\u00b3\u00b7cm\/(s\u00b7cm\u00b2\u00b7cmHg)<\/th><th>H\u1ec7 s\u1ed1 khu\u1ebfch t\u00e1n \u00d7 10\u2076 cm\u00b2\/s<\/th><th>\u0110\u1ed9 h\u00f2a tan, cm\u00b3(STP)\/(cm\u00b3\u00b7atm)<\/th><\/tr><\/thead><tbody><tr><td>Nit\u01a1<\/td><td>28<\/td><td>15<\/td><td>0.15<\/td><\/tr><tr><td>Heli<\/td><td>35<\/td><td>60<\/td><td>0.045<\/td><\/tr><tr><td>\u00d4xy<\/td><td>62<\/td><td>16<\/td><td>0.31<\/td><\/tr><tr><td>Hydro<\/td><td>65<\/td><td>43<\/td><td>0.12<\/td><\/tr><tr><td>Kh\u00ed m\u00eatan<\/td><td>95<\/td><td>13<\/td><td>0.57<\/td><\/tr><tr><td>Kh\u00ed cacbonic<\/td><td>323<\/td><td>11<\/td><td>2.2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ngu\u1ed3n: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/5238627\/\" target=\"_blank\" rel=\"noopener\">WL Robb, <em>M\u00e0ng silicon m\u1ecfng - T\u00ednh ch\u1ea5t th\u1ea5m v\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang<\/em><\/a>, <em>Bi\u00ean ni\u00ean s\u1eed c\u1ee7a Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc New York<\/em> (1968).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec3m m\u1ea5u ch\u1ed1t tr\u00ean th\u1ef1c t\u1ebf r\u1ea5t \u0111\u01a1n gi\u1ea3n: \u201csilicone k\u00edn kh\u00ed\u201d kh\u00f4ng ph\u1ea3i l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c ho\u00e0n to\u00e0n. Lo\u1ea1i kh\u00ed c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c n\u00eau r\u00f5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Silicone c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc nh\u01b0ng v\u1eabn cho ph\u00e9p kh\u00ed l\u01b0u th\u00f4ng kh\u00f4ng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady, nh\u01b0ng ch\u1ec9 khi &quot;ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc&quot; c\u00f3 ngh\u0129a l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a ch\u1ea5t l\u1ecfng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn d\u01b0\u1edbi \u00e1p su\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp r\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. N\u01b0\u1edbc l\u1ecfng kh\u00f4ng th\u1ec3 ch\u1ea3y qua silicon nguy\u00ean v\u1eb9n theo c\u00f9ng m\u1ed9t c\u00e1ch m\u00e0 kh\u00ed c\u00f3 th\u1ec3 th\u1ea9m th\u1ea5u qua m\u1ea1ng l\u01b0\u1edbi polymer.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-04-liquid-water-vs-vapor-1024x576.jpg\" alt=\"\" class=\"wp-image-18752\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-04-liquid-water-vs-vapor-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-04-liquid-water-vs-vapor-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-04-liquid-water-vs-vapor-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-04-liquid-water-vs-vapor-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-04-liquid-water-vs-vapor-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-04-liquid-water-vs-vapor.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/33368751\/\" target=\"_blank\" rel=\"noopener\">Kh\u1ea3 n\u0103ng th\u1ea5m h\u01a1i n\u01b0\u1edbc<\/a> Kh\u00e1c bi\u1ec7t. C\u00e1c ph\u00e2n t\u1eed h\u01a1i ri\u00eang l\u1ebb c\u00f3 th\u1ec3 h\u00f2a tan v\u00e0 khu\u1ebfch t\u00e1n qua silicon. <a href=\"https:\/\/rysilicone.com\/vi\/silicone-sheet\/\">t\u1ea5m cao su silicone<\/a> Do \u0111\u00f3, ch\u00fang c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n m\u01b0a ho\u1eb7c n\u01b0\u1edbc b\u1eafn tung t\u00f3e trong khi v\u1eabn cho ph\u00e9p h\u01a1i \u1ea9m truy\u1ec1n qua theo th\u1eddi gian.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed k\u00edn ti\u1ebfp x\u00fac v\u1edbi s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 \u1ea9m;<\/li>\n\n\n\n<li>C\u00e1c mi\u1ebfng d\u00e1n c\u00f3 th\u1ec3 \u0111eo \u0111\u01b0\u1ee3c c\u1ea7n kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd \u0111\u1ed9 \u1ea9m;<\/li>\n\n\n\n<li>M\u00e0ng d\u00f9ng trong y t\u1ebf v\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m;<\/li>\n\n\n\n<li>C\u00e1c lo\u1ea1i n\u1eafp \u0111\u1eady th\u1ef1c ph\u1ea9m ho\u1eb7c d\u01b0\u1ee3c ph\u1ea9m y\u00eau c\u1ea7u c\u00f3 l\u1edbp ch\u1eafn h\u01a1i n\u01b0\u1edbc x\u00e1c \u0111\u1ecbnh;<\/li>\n\n\n\n<li>C\u00e1c thi\u1ebft b\u1ecb \u0111\u1eb7t ngo\u00e0i tr\u1eddi, n\u01a1i hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0ng t\u1ee5 h\u01a1i n\u01b0\u1edbc b\u00ean trong l\u00e0 nguy c\u01a1 th\u1ef1c s\u1ef1.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng k\u1ebft qu\u1ea3 ng\u00e2m trong n\u01b0\u1edbc \u0111\u1ec3 thay th\u1ebf cho d\u1eef li\u1ec7u v\u1ec1 s\u1ef1 truy\u1ec1n h\u01a1i n\u01b0\u1edbc. Ch\u00fang \u0111o l\u01b0\u1eddng c\u00e1c c\u01a1 ch\u1ebf v\u1eadn chuy\u1ec3n kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lo\u1ea1i kh\u00ed n\u00e0o th\u1ea9m th\u1ea5u qua silicon nhanh nh\u1ea5t?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00ed carbon dioxide th\u01b0\u1eddng c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n qua VMQ cao h\u01a1n so v\u1edbi oxy, nit\u01a1, heli ho\u1eb7c hydro trong \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. Tr\u00ecnh t\u1ef1 n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ee3p ch\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9, nh\u01b0ng s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u1ee7 l\u1edbn \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0376738800832755\" target=\"_blank\" rel=\"noopener\">Nghi\u00ean c\u1ee9u v\u1ec1 c\u1ea5u tr\u00fac m\u00e0ng silicon<\/a> \u0110i\u1ec1u n\u00e0y cho th\u1ea5y c\u00e1c nh\u00f3m th\u1ebf h\u1eefu c\u01a1 d\u1ecdc theo chu\u1ed7i polymer c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng th\u1ea5m oxy v\u00e0 nit\u01a1. C\u00e1c nh\u00f3m alkyl, aryl v\u00e0 trifluoropropyl l\u1edbn h\u01a1n th\u01b0\u1eddng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng th\u1ea5m so v\u1edbi dimethyl silicone, m\u1eb7c d\u00f9 k\u1ebft qu\u1ea3 v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i kh\u00ed v\u00e0 c\u00f4ng th\u1ee9c c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i silicon<\/th><th>xu h\u01b0\u1edbng th\u1ea5m t\u01b0\u01a1ng \u0111\u1ed1i<\/th><th>L\u00fd do c\u1ea5u tr\u00fac<\/th><\/tr><\/thead><tbody><tr><td>VQQ<\/td><td>Nh\u00ecn chung cao<\/td><td>C\u1ea5u tr\u00fac dimethyl siloxane duy tr\u00ec t\u00ednh linh \u0111\u1ed9ng chu\u1ed7i cao v\u00e0 th\u1ec3 t\u00edch t\u1ef1 do.<\/td><\/tr><tr><td>PVMQ<\/td><td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n VMQ t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i kh\u00ed c\u1ee5 th\u1ec3.<\/td><td>C\u00e1c nh\u00f3m th\u1ebf phenyl l\u00e0m thay \u0111\u1ed5i s\u1ef1 s\u1eafp x\u1ebfp chu\u1ed7i, \u0111\u1ed9 h\u00f2a tan v\u00e0 s\u1ef1 khu\u1ebfch t\u00e1n.<\/td><\/tr><tr><td>FVMQ<\/td><td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n VMQ \u0111a n\u0103ng<\/td><td>C\u00e1c nh\u00f3m ph\u1ee5 ch\u1ee9a flo l\u00e0m t\u0103ng \u0111\u1ed9 ph\u00e2n c\u1ef1c v\u00e0 thay \u0111\u1ed5i kh\u1ea3 n\u0103ng h\u00f2a tan c\u1ee7a kh\u00ed.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 so s\u00e1nh n\u00e0y cho th\u1ea5y t\u1ea1i sao thu\u1eadt ng\u1eef \u201csilicone\u201d qu\u00e1 chung chung \u0111\u1ed1i v\u1edbi b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt. VMQ, PVMQ v\u00e0 FVMQ kh\u00f4ng cung c\u1ea5p c\u00f9ng m\u1ed9t \u0111\u1eb7c t\u00ednh ch\u1eafn kh\u00ed, v\u00e0 x\u1ebfp h\u1ea1ng \u0111\u1ecbnh t\u00ednh kh\u00f4ng th\u1ec3 thay th\u1ebf d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng h\u1ee3p ch\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec1u g\u00ec l\u00e0m thay \u0111\u1ed5i kh\u1ea3 n\u0103ng th\u1ea5m c\u1ee7a silicone?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 ki\u1ec3m so\u00e1t ch\u00ednh l\u00e0 lo\u1ea1i kh\u00ed, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a silicon, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 d\u00e0y, di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u00e0 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t ri\u00eang ph\u1ea7n. C\u00f4ng th\u1ee9c pha ch\u1ebf v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng, nh\u01b0ng t\u00e1c d\u1ee5ng c\u1ee7a ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng tr\u00ean v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf. \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc, nhi\u1ec7t, \u0111i\u1ec7n v\u00e0 h\u00f3a h\u1ecdc, h\u00e3y xem h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 n\u00e0y. <a href=\"https:\/\/rysilicone.com\/vi\/properties-of-silicone\/\">\u0111\u1eb7c t\u00ednh c\u1ee7a cao su silicon<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Bi\u1ebfn \u0111\u1ed5i<\/th><th>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 th\u1ea5m ho\u1eb7c t\u1ed5ng \u0111\u1ed9 truy\u1ec1n<\/th><th>\u00dd ngh\u0129a \u0111\u1eb7c t\u1ea3<\/th><\/tr><\/thead><tbody><tr><td>C\u00e1c lo\u1ea1i kh\u00ed<\/td><td>Thay \u0111\u1ed5i c\u1ea3 \u0111\u1ed9 h\u00f2a tan v\u00e0 s\u1ef1 khu\u1ebfch t\u00e1n<\/td><td>Ki\u1ec3m tra kh\u00ed th\u1ef1c t\u1ebf ho\u1eb7c h\u1ed7n h\u1ee3p kh\u00ed.<\/td><\/tr><tr><td>H\u1ecd silicon<\/td><td>FVMQ v\u00e0 c\u00e1c c\u00f4ng th\u1ee9c c\u1ea3i ti\u1ebfn c\u00f3 th\u1ec3 truy\u1ec1n \u00edt kh\u00ed h\u01a1n so v\u1edbi VMQ th\u00f4ng th\u01b0\u1eddng.<\/td><td>Ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i v\u00e0 c\u1ea5p \u0111\u1ed9 polymer<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9<\/td><td>Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n th\u01b0\u1eddng l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed9ng v\u00e0 truy\u1ec1n \u0111\u1ed9ng c\u1ee7a x\u00edch.<\/td><td>Ki\u1ec3m tra \u1edf nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1ed1i thi\u1ec3u v\u00e0 t\u1ed1i \u0111a.<\/td><\/tr><tr><td>\u0111\u1ed9 d\u00e0y<\/td><td>Kh\u00f4ng l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 th\u1ea5m n\u1ed9i t\u1ea1i; \u0111\u1ed9 d\u00e0y l\u1edbn h\u01a1n l\u00e0m gi\u1ea3m t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng.<\/td><td>Ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y th\u00e0nh ph\u1ea9m t\u1ed1i thi\u1ec3u<\/td><\/tr><tr><td>Khu v\u1ef1c l\u1ed9 thi\u00ean<\/td><td>Kh\u00f4ng l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 th\u1ea5m n\u1ed9i t\u1ea1i; di\u1ec7n t\u00edch l\u1edbn h\u01a1n l\u00e0m t\u0103ng t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng.<\/td><td>S\u1eed d\u1ee5ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac hi\u1ec7u qu\u1ea3 trong c\u00e1c ph\u00e9p t\u00ednh.<\/td><\/tr><tr><td>Ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t ri\u00eang ph\u1ea7n<\/td><td>Ch\u00eanh l\u1ec7ch l\u1edbn h\u01a1n l\u00e0m t\u0103ng l\u01b0u l\u01b0\u1ee3ng kh\u00ed<\/td><td>X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n kh\u00ed v\u00e0 \u00e1p su\u1ea5t \u1edf c\u1ea3 hai ph\u00eda.<\/td><\/tr><tr><td>Ch\u1ea5t \u0111\u1ed9n<\/td><td>C\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 ngo\u1eb1n ngo\u00e8o c\u1ee7a \u0111\u01b0\u1eddng \u0111i v\u00e0 gi\u1ea3m s\u1ef1 khu\u1ebfch t\u00e1n<\/td><td>Kh\u00f4ng n\u00ean cho r\u1eb1ng hai h\u1ee3p ch\u1ea5t c\u00f3 c\u00f9ng \u0111\u1ed9 c\u1ee9ng s\u1ebd c\u00f3 t\u00ednh ch\u1ea5t gi\u1ed1ng nhau.<\/td><\/tr><tr><td>X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/td><td>B\u1ec1 m\u1eb7t b\u1ecb oxy h\u00f3a gi\u1ed1ng silica c\u00f3 th\u1ec3 t\u1ea1m th\u1eddi l\u00e0m gi\u1ea3m s\u1ef1 khu\u1ebfch t\u00e1n oxy.<\/td><td>\u0110\u1ecbnh ngh\u0129a \u0111i\u1ec1u ki\u1ec7n x\u1eed l\u00fd, l\u00e3o h\u00f3a v\u00e0 b\u1ea3o qu\u1ea3n<\/td><\/tr><tr><td>M\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ch\u00e9o<\/td><td>Th\u01b0\u1eddng c\u00f3 t\u00e1c d\u1ee5ng \u00edt h\u01a1n so v\u1edbi d\u1ef1 ki\u1ebfn trong ph\u1ea1m vi c\u00f4ng th\u1ee9c silicone th\u00f4ng th\u01b0\u1eddng.<\/td><td>Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng \u0111\u1ed9 c\u1ee9ng Shore l\u00e0m th\u01b0\u1edbc \u0111o gi\u00e1n ti\u1ebfp cho \u0111\u1ed9 th\u1ea5m.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-05-total-gas-transmission-factors-1024x576.jpg\" alt=\"\" class=\"wp-image-18753\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-05-total-gas-transmission-factors-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-05-total-gas-transmission-factors-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-05-total-gas-transmission-factors-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-05-total-gas-transmission-factors-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-05-total-gas-transmission-factors-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-05-total-gas-transmission-factors.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 c\u1ee9ng Shore cao h\u01a1n c\u00f3 l\u00e0m gi\u1ea3m \u0111\u1ed9 th\u1ea5m kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng \u0111\u00e1ng tin c\u1eady. H\u1ee3p ch\u1ea5t c\u1ee9ng h\u01a1n c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c m\u1ee9c \u0111\u1ed9 ch\u1ea5t \u0111\u1ed9n kh\u00e1c nhau ho\u1eb7c c\u1ea5u tr\u00fac m\u1ea1ng l\u01b0\u1edbi kh\u00e1c nhau, nh\u01b0ng <a href=\"https:\/\/rysilicone.com\/vi\/silicone-shore-hardness\/\">\u0110\u1ed9 c\u1ee9ng Shore A<\/a> Kh\u00f4ng \u0111\u1ec1 c\u1eadp tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c truy\u1ec1n t\u1ea3i kh\u00ed \u0111\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 m\u1ed9t l\u1ed7i l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn. C\u00e1c nh\u00f3m so s\u00e1nh t\u1ea5m c\u00f3 \u0111\u1ed9 c\u1ee9ng 40 Shore A v\u00e0 70 Shore A v\u00e0 cho r\u1eb1ng lo\u1ea1i c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1eafn kh\u00ed t\u1ed1t h\u01a1n. C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 c\u00f4ng b\u1ed1 v\u1ec1 cao su silicon v\u00e0 PDMS ch\u01b0a qua x\u1eed l\u00fd cho th\u1ea5y r\u1eb1ng nh\u1eefng thay \u0111\u1ed5i b\u00ecnh th\u01b0\u1eddng v\u1ec1 m\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ngang c\u00f3 th\u1ec3 \u00edt \u1ea3nh h\u01b0\u1edfng so v\u1edbi h\u00f3a h\u1ecdc polymer, \u0111\u1ed9 h\u00f2a tan kh\u00ed, nhi\u1ec7t \u0111\u1ed9 v\u00e0 ch\u1ea5t \u0111\u1ed9n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu t\u00ednh th\u1ea5m l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, h\u00e3y y\u00eau c\u1ea7u d\u1eef li\u1ec7u v\u1ec1 t\u00ednh th\u1ea5m ho\u1eb7c \u0111\u1ed9 truy\u1ec1n d\u1eabn c\u1ee7a h\u1ee3p ch\u1ea5t c\u1ee5 th\u1ec3. Kh\u00f4ng n\u00ean suy lu\u1eadn t\u00ednh th\u1ea5m t\u1eeb \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n k\u00e9o ho\u1eb7c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng n\u00e9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nhi\u1ec7t \u0111\u1ed9 c\u00f3 l\u00e0m t\u0103ng t\u00ednh th\u1ea5m c\u1ee7a silicone kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00ecn chung l\u00e0 \u0111\u00fang. Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n l\u00e0m t\u0103ng t\u00ednh linh \u0111\u1ed9ng c\u1ee7a chu\u1ed7i polymer v\u00e0 kh\u1ea3 n\u0103ng khu\u1ebfch t\u00e1n kh\u00ed. Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n l\u00e0m gi\u1ea3m th\u1ec3 t\u00edch t\u1ef1 do v\u00e0 chuy\u1ec3n \u0111\u1ed9ng ph\u00e2n t\u1eed, m\u1eb7c d\u00f9 s\u1ef1 chuy\u1ec3n pha v\u00e0 \u0111\u1ed9 h\u00f2a tan c\u1ee7a kh\u00ed c\u00f3 th\u1ec3 l\u00e0m ph\u1ee9c t\u1ea1p xu h\u01b0\u1edbng n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do \u0111\u00f3, gi\u00e1 tr\u1ecb \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng l\u00e0 b\u1eb1ng ch\u1ee9ng y\u1ebfu cho th\u1ea5y gio\u0103ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf 150\u00b0C. Chi ti\u1ebft v\u1eabn c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc trong khi truy\u1ec1n d\u1eabn l\u01b0\u1ee3ng kh\u00ed nhi\u1ec1u h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi d\u1ef1 ki\u1ebfn. \u0110\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t ch\u1eafn kh\u00ed l\u00e0 hai y\u00eau c\u1ea7u ri\u00eang bi\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Li\u1ec7u l\u1edbp silicon d\u00e0y h\u01a1n c\u00f3 ng\u0103n ch\u1eb7n \u0111\u01b0\u1ee3c s\u1ef1 th\u1ea5m n\u01b0\u1edbc?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e0nh d\u00e0y h\u01a1n l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eabn, nh\u01b0ng kh\u00f4ng bi\u1ebfn silicone th\u00e0nh v\u1eadt li\u1ec7u ch\u1eafn th\u1ef1c s\u1ef1. Trong \u0111i\u1ec1u ki\u1ec7n \u1ed5n \u0111\u1ecbnh, vi\u1ec7c t\u0103ng g\u1ea5p \u0111\u00f4i \u0111\u1ed9 d\u00e0y s\u1ebd l\u00e0m gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng xu\u1ed1ng kho\u1ea3ng m\u1ed9t n\u1eeda khi v\u1eadt li\u1ec7u, kh\u00ed, di\u1ec7n t\u00edch, nhi\u1ec7t \u0111\u1ed9 v\u00e0 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 d\u00e0y c\u0169ng l\u00e0m t\u0103ng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn m\u1ed9t th\u1eed nghi\u1ec7m ng\u1eafn h\u1ea1n tr\u00f4ng t\u1ed1t h\u01a1n so v\u1edbi ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i. \u0110\u1ed1i v\u1edbi vi\u1ec7c l\u01b0u tr\u1eef, gi\u1eef ch\u00e2n kh\u00f4ng ho\u1eb7c gi\u1eef \u00e1p su\u1ea5t trong nhi\u1ec1u ng\u00e0y, th\u1eddi gian th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u1ee7 d\u00e0i \u0111\u1ec3 ph\u00e2n bi\u1ec7t s\u1ef1 khu\u1ebfch t\u00e1n t\u1ea1m th\u1eddi v\u1edbi h\u00e0nh vi \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VMQ, PVMQ v\u00e0 FVMQ c\u00f3 nh\u1eefng \u0111i\u1ec3m g\u00ec kh\u00e1c bi\u1ec7t?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <a href=\"https:\/\/rysilicone.com\/vi\/silicone-types-and-differences\/\">h\u1ecd polyme silicon<\/a> Nh\u1eefng thay \u0111\u1ed5i n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 kh\u1ea3 n\u0103ng th\u1ea5m h\u00fat v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c, v\u1ed1n l\u00e0 l\u00fd do ch\u00ednh \u0111\u00e1ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn silicone.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>V\u1eadt li\u1ec7u<\/th><th>xu h\u01b0\u1edbng th\u1ea5m<\/th><th>L\u00fd do ch\u00ednh \u0111\u1ec3 ch\u1ecdn n\u00f3<\/th><th>Ranh gi\u1edbi c\u1ea7n ki\u1ec3m tra<\/th><\/tr><\/thead><tbody><tr><td>VQQ<\/td><td>Cao<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed5ng th\u1ec3, t\u00ednh linh ho\u1ea1t, c\u00e1ch \u0111i\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng r\u1ed9ng r\u00e3i<\/td><td>L\u1ef1a ch\u1ecdn kh\u00f4ng t\u1ed1i \u01b0u khi ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng gi\u1eef kh\u00ed.<\/td><\/tr><tr><td>PVMQ<\/td><td>Th\u1ea5p h\u01a1n m\u1ed9t s\u1ed1 c\u1ea5p \u0111\u1ed9 VMQ, nh\u01b0ng v\u1eabn c\u00f3 kh\u1ea3 n\u0103ng th\u1ea9m th\u1ea5u.<\/td><td>T\u00ednh linh ho\u1ea1t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p; c\u00e1c nh\u00f3m phenyl \u1ee9c ch\u1ebf s\u1ef1 k\u1ebft tinh.<\/td><td>Hi\u1ec7u qu\u1ea3 c\u1ee7a l\u1edbp m\u00e0ng ch\u1eafn v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng th\u1ee9c.<\/td><\/tr><tr><td>FVMQ<\/td><td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n VMQ ho\u1eb7c PVMQ.<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t h\u01a1n v\u1edbi nhi\u00ean li\u1ec7u, d\u1ea7u v\u00e0 dung m\u00f4i, \u0111\u1ed3ng th\u1eddi gi\u1ea3m s\u1ef1 truy\u1ec1n d\u1eabn kh\u00ed.<\/td><td>Chi ph\u00ed, \u0111\u1eb7c t\u00ednh ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc kh\u00e1c v\u1edbi VMQ.<\/td><\/tr><tr><td>Cao su butyl<\/td><td>Kh\u1ea3 n\u0103ng th\u1ea5m kh\u00ed th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi silicon.<\/td><td>Gi\u1eef kh\u00ed, t\u00fai kh\u00ed, l\u1edbp l\u00f3t b\u00ean trong<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao th\u1ea5p h\u01a1n v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n h\u00f3a h\u1ecdc kh\u00e1c nhau<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u nhi\u1ec1u l\u1edbp k\u1ef9 thu\u1eadt<\/td><td>C\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea3i th\u1ea5p h\u01a1n nhi\u1ec1u.<\/td><td>C\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t silicon c\u1ed9ng v\u1edbi kh\u1ea3 n\u0103ng ch\u1eafn b\u1ea3o v\u1ec7<\/td><td>Li\u00ean k\u1ebft, m\u1ecfi u\u1ed1n, c\u1ea1nh, l\u1ed7 kim v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a quy tr\u00ecnh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-06-material-selection-barrier-need-1024x576.jpg\" alt=\"\" class=\"wp-image-18754\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-06-material-selection-barrier-need-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-06-material-selection-barrier-need-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-06-material-selection-barrier-need-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-06-material-selection-barrier-need-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-06-material-selection-barrier-need-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/05\/silicone-permeability-06-material-selection-barrier-need.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu y\u00eau c\u1ea7u h\u00e0ng \u0111\u1ea7u l\u00e0 \u0111\u1ed9 th\u1ea5m th\u1ea5p, vi\u1ec7c thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a b\u1ed9 ph\u1eadn VMQ c\u00f3 th\u1ec3 k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi vi\u1ec7c thay \u0111\u1ed5i lo\u1ea1i polymer ho\u1eb7c th\u00eam l\u1edbp ch\u1eafn. N\u1ebfu y\u00eau c\u1ea7u h\u00e0ng \u0111\u1ea7u l\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t, th\u00ec vi\u1ec7c s\u1eed d\u1ee5ng PVMQ c\u1ea3i ti\u1ebfn ho\u1eb7c c\u1ea5u tr\u00fac composite c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t s\u1ef1 th\u1ecfa hi\u1ec7p t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o th\u00ec kh\u1ea3 n\u0103ng th\u1ea9m th\u1ea5u silicon cao c\u00f3 \u00edch?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 th\u1ea5m cao r\u1ea5t h\u1eefu \u00edch khi vi\u1ec7c trao \u0111\u1ed5i kh\u00ed \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00e0 m\u1ed9t ph\u1ea7n ch\u1ee9c n\u0103ng ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u00ed d\u1ee5 bao g\u1ed3m m\u00e0ng oxy h\u00f3a, thi\u1ebft b\u1ecb nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o vi l\u01b0u, nghi\u00ean c\u1ee9u t\u00e1ch kh\u00ed, c\u00e1c th\u00e0nh ph\u1ea7n y t\u1ebf tho\u00e1ng kh\u00ed, c\u00e2n b\u1eb1ng \u00e1p su\u1ea5t v\u00e0 m\u1ed9t s\u1ed1 giao di\u1ec7n \u0111eo \u0111\u01b0\u1ee3c. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8788510\/\" target=\"_blank\" rel=\"noopener\">M\u00e0ng PDMS m\u1ecfng<\/a> C\u00f3 th\u1ec3 cho ph\u00e9p trao \u0111\u1ed5i oxy v\u00e0 carbon dioxide trong khi v\u1eabn ch\u1ee9a m\u00f4i tr\u01b0\u1eddng l\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf v\u1eabn c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 ph\u1ea1m vi truy\u1ec1n d\u1eabn. &quot;Kh\u1ea3 n\u0103ng tho\u00e1ng kh\u00ed&quot; kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c. B\u1ea3n v\u1ebd ho\u1eb7c k\u1ebf ho\u1ea1ch ki\u1ec3m \u0111\u1ecbnh c\u1ea7n n\u00eau r\u00f5 lo\u1ea1i kh\u00ed, nhi\u1ec7t \u0111\u1ed9, ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t, di\u1ec7n t\u00edch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ed9 d\u00e0y v\u00e0 ph\u1ea1m vi l\u01b0u l\u01b0\u1ee3ng cho ph\u00e9p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Nghi\u00ean c\u1ee9u v\u1ec1 PDMS \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng plasma oxy cho th\u1ea5y b\u1ec1 m\u1eb7t gi\u1ed1ng silica b\u1ecb oxy h\u00f3a ban \u0111\u1ea7u l\u00e0m gi\u1ea3m s\u1ef1 khu\u1ebfch t\u00e1n oxy\u2014\u0111\u00f4i khi h\u01a1n 50%\u2014nh\u01b0ng PDMS ti\u00eau chu\u1ea9n 10:1 \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong kh\u00f4ng kh\u00ed \u0111\u00e3 kh\u00f4i ph\u1ee5c l\u1ea1i t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n ban \u0111\u1ea7u sau kho\u1ea3ng ba ng\u00e0y. B\u1ea3o qu\u1ea3n trong n\u01b0\u1edbc l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh ph\u1ee5c h\u1ed3i. Ngu\u1ed3n: <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3945670\/\" target=\"_blank\" rel=\"noopener\">S\u1ef1 thay \u0111\u1ed5i v\u1ec1 khu\u1ebfch t\u00e1n kh\u00ed qua PDMS<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb l\u00e0m thay \u0111\u1ed5i t\u00ednh th\u1ea5m c\u1ee7a da ngay trong ng\u00e0y \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 kh\u00f4ng mang l\u1ea1i k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 sau khi b\u1ea3o qu\u1ea3n ho\u1eb7c s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o th\u00ec silicone kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u ch\u1eafn kh\u00ed ph\u00f9 h\u1ee3p?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Silicone l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn k\u00e9m hi\u1ec7u qu\u1ea3 khi ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 gi\u1eef kh\u00ed, duy tr\u00ec ch\u00e2n kh\u00f4ng, ng\u0103n ng\u1eeba oxy h\u00f3a ho\u1eb7c h\u1ea1n ch\u1ebf s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a h\u01a1i n\u01b0\u1edbc trong th\u1eddi gian d\u00e0i. C\u00e1c tr\u01b0\u1eddng h\u1ee3p r\u1ee7i ro \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c t\u00fai kh\u00ed n\u00e9n \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd gi\u1eef \u00e1p su\u1ea5t trong th\u1eddi gian d\u00e0i;<\/li>\n\n\n\n<li>C\u00e1c l\u1edbp ni\u00eam phong ch\u00e2n kh\u00f4ng, trong \u0111\u00f3 s\u1ef1 th\u1ea9m th\u1ea5u chi\u1ebfm \u01b0u th\u1ebf sau khi \u0111\u00e3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c s\u1ef1 r\u00f2 r\u1ec9 t\u1eeb b\u00ean ngo\u00e0i;<\/li>\n\n\n\n<li>bao b\u00ec nh\u1ea1y c\u1ea3m v\u1edbi oxy;<\/li>\n\n\n\n<li>V\u1eadt ch\u1ee9a ch\u1ea5t l\u00e0m l\u1ea1nh ho\u1eb7c kh\u00ed \u0111\u1eb7c bi\u1ec7t;<\/li>\n\n\n\n<li>C\u1ea3m bi\u1ebfn k\u00edn v\u1edbi gi\u1edbi h\u1ea1n sai l\u1ec7ch \u0111\u1ed9 \u1ea9m nghi\u00eam ng\u1eb7t;<\/li>\n\n\n\n<li>C\u00e1c m\u00e0ng m\u1ecfng ti\u1ebfp x\u00fac v\u1edbi s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t li\u00ean t\u1ee5c.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, tr\u01b0\u1edbc ti\u00ean h\u00e3y so s\u00e1nh cao su butyl, polyme flo, m\u00e0ng ch\u1eafn kim lo\u1ea1i, v\u1ea3i tr\u00e1ng ph\u1ee7 ho\u1eb7c c\u1ea5u tr\u00fac nhi\u1ec1u l\u1edbp. Silicone c\u00f3 th\u1ec3 v\u1eabn c\u1ea7n thi\u1ebft v\u00ec l\u00fd do nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 d\u1ebbo, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc ho\u1eb7c quy tr\u00ecnh s\u1ea3n xu\u1ea5t, nh\u01b0ng \u0111i\u1ec3m y\u1ebfu v\u1ec1 kh\u1ea3 n\u0103ng ch\u1eafn c\u1ee7a n\u00f3 sau \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00ean ki\u1ec3m tra kh\u1ea3 n\u0103ng th\u1ea5m h\u00fat c\u1ee7a silicone nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p b\u00e1o c\u00e1o thu\u1ed9c t\u00ednh c\u1ea7n thi\u1ebft cho thi\u1ebft k\u1ebf. <a href=\"https:\/\/store.astm.org\/d1434-23.html\" target=\"_blank\" rel=\"noopener\">ASTM D1434-23<\/a> S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111o \u00e1p su\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 truy\u1ec1n kh\u00ed, \u0111\u1ed9 th\u1ea5m v\u00e0\u2014n\u1ebfu c\u00f3\u2014\u0111\u1ed9 th\u1ea5m c\u1ee7a m\u00e0ng v\u00e0 t\u1ea5m. <a href=\"https:\/\/www.iso.org\/standard\/41677.html\" target=\"_blank\" rel=\"noopener\">ISO 15105-1:2007<\/a> Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c ki\u1ec3m tra \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch \u0111\u1ed1i v\u1edbi m\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a; ISO li\u1ec7t k\u00ea phi\u00ean b\u1ea3n n\u00e0y l\u00e0 phi\u00ean b\u1ea3n hi\u1ec7n h\u00e0nh nh\u01b0ng \u0111ang \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i v\u00e0o n\u0103m 2026.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t b\u1ea3n \u0111\u1eb7c t\u1ea3 ki\u1ec3m th\u1eed h\u1eefu \u00edch c\u1ea7n bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3ng r\u1eafn;<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y m\u1eabu v\u00e0 di\u1ec7n t\u00edch ti\u1ebfp x\u00fac;<\/li>\n\n\n\n<li>kh\u00ed m\u1ee5c ti\u00eau ho\u1eb7c h\u1ed7n h\u1ee3p kh\u00ed x\u00e1c \u0111\u1ecbnh;<\/li>\n\n\n\n<li>\u00e1p su\u1ea5t v\u00e0 \u00e1p su\u1ea5t ri\u00eang ph\u1ea7n \u1edf c\u1ea3 hai ph\u00eda;<\/li>\n\n\n\n<li>nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i;<\/li>\n\n\n\n<li>l\u1ecbch s\u1eed \u0111i\u1ec1u tr\u1ecb v\u00e0 h\u1eadu \u0111i\u1ec1u tr\u1ecb;<\/li>\n\n\n\n<li>x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 th\u1eddi gian l\u00e3o h\u00f3a;<\/li>\n\n\n\n<li>th\u1eddi gian th\u1eed nghi\u1ec7m v\u00e0 ti\u00eau ch\u00ed tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh;<\/li>\n\n\n\n<li>S\u1ed1 l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb y\u00eau c\u1ea7u v\u00e0 gi\u1edbi h\u1ea1n ch\u1ea5p nh\u1eadn.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra v\u1eadt li\u1ec7u hay ki\u1ec3m tra s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi t\u00ednh ch\u00ednh x\u00e1c cao, h\u00e3y th\u1eed c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p. Th\u1eed nghi\u1ec7m \u0111\u1ed9 th\u1ea5m tr\u00ean t\u1ea5m ph\u1eb3ng gi\u00fap ph\u00e2n l\u1eadp h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u kh\u1ed1i. Th\u1eed nghi\u1ec7m gi\u1ea3m \u00e1p su\u1ea5t, kh\u00ed d\u00f2 ho\u1eb7c \u0111\u1ed9 \u1ea9m tr\u00ean c\u1ee5m l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh gi\u00fap ghi l\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i, \u0111\u1ed9 n\u00e9n, \u0111\u1ed9 b\u00e1m d\u00ednh, \u0111\u01b0\u1eddng ph\u00e2n t\u00e1ch v\u00e0 h\u00ecnh d\u1ea1ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai k\u1ebft qu\u1ea3 n\u00e0y kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1ee9c \u0111\u1ed9 ki\u1ec3m tra<\/th><th>\u0110i\u1ec1u n\u00f3 ti\u1ebft l\u1ed9<\/th><th>Nh\u1eefng g\u00ec n\u00f3 thi\u1ebfu<\/th><\/tr><\/thead><tbody><tr><td>Phi\u1ebfu v\u1eadt li\u1ec7u<\/td><td>Truy\u1ec1n d\u1eabn h\u1ee3p ch\u1ea5t n\u1ed9i t\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><td>H\u00ecnh d\u1ea1ng gio\u0103ng, m\u1ed1i n\u1ed1i, bi\u1ebfn th\u1ec3 khu\u00f4n \u0111\u00fac<\/td><\/tr><tr><td>B\u1ed9 ph\u1eadn \u0111\u00fac<\/td><td>\u1ea2nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 d\u00e0y th\u1ef1c t\u1ebf, qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee5c b\u1ed9<\/td><td>Giao di\u1ec7n l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh<\/td><\/tr><tr><td>\u0110\u00e3 ho\u00e0n th\u00e0nh l\u1eafp r\u00e1p<\/td><td>S\u1ef1 th\u1ea9m th\u1ea5u v\u00e0 r\u00f2 r\u1ec9 k\u1ebft h\u1ee3p trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng<\/td><td>C\u00f3 th\u1ec3 kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c con \u0111\u01b0\u1eddng n\u00e0o d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u00f3.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m so\u00e1t s\u1ea3n xu\u1ea5t, ki\u1ec3m tra k\u00edch th\u01b0\u1edbc v\u00e0 th\u1eed \u0111\u1ed9 c\u1ee9ng Shore l\u00e0 ch\u01b0a \u0111\u1ee7 khi kh\u1ea3 n\u0103ng truy\u1ec1n kh\u00ed l\u00e0 \u0111\u1eb7c t\u00ednh quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng. C\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn ch\u1ee9ng nh\u1eadn h\u1ee3p ch\u1ea5t, quy tr\u00ecnh \u0111\u00f3ng r\u1eafn \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 x\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng truy\u1ec1n kh\u00ed \u0111\u1ecbnh k\u1ef3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u1ea7n nh\u1eefng th\u00f4ng tin g\u00ec tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u silicone?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng th\u1ec3 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ch\u1ec9 d\u1ef1a tr\u00ean t\u1eeb &quot;silicone&quot;. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1 v\u1eadn chuy\u1ec3n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lo\u1ea1i kh\u00ed ho\u1eb7c h\u01a1i n\u00e0o ph\u1ea3i \u0111i qua\u2014ho\u1eb7c ph\u1ea3i b\u1ecb ch\u1eb7n l\u1ea1i?<\/li>\n\n\n\n<li>T\u1ef7 l\u1ec7 l\u00e2y truy\u1ec1n cho ph\u00e9p l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 v\u00e0 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t khi ho\u1ea1t \u0111\u1ed9ng l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u c\u1ee7a th\u00e0nh ho\u1eb7c m\u00e0ng l\u00e0 bao nhi\u00eau?<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u n\u00e0y \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng sau qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t, x\u1eed l\u00fd plasma, kh\u1eed tr\u00f9ng ho\u1eb7c l\u00e3o h\u00f3a hay kh\u00f4ng?<\/li>\n\n\n\n<li>Nh\u1eefng y\u00eau c\u1ea7u v\u1ec1 c\u01a1 h\u1ecdc, h\u00f3a h\u1ecdc v\u00e0 quy \u0111\u1ecbnh n\u00e0o ng\u0103n c\u1ea3n vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 th\u1ea5m th\u1ea5p h\u01a1n?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu thi\u1ebfu c\u00e1c th\u00f4ng tin \u0111\u1ea7u v\u00e0o \u0111\u00f3, ch\u1ec9 s\u1ed1 \u0111\u1ed9 th\u1ea5m t\u1eeb b\u1ea3ng d\u1eef li\u1ec7u chung s\u1ebd c\u00f3 \u00edt gi\u00e1 tr\u1ecb. N\u00f3 c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 m\u1ed9t lo\u1ea1i kh\u00ed, \u0111\u1ed9 d\u00e0y, h\u1ec7 \u0111\u01a1n v\u1ecb, tr\u1ea1ng th\u00e1i \u0111\u00f3ng r\u1eafn ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c. Quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn kh\u00f4ng ph\u1ea3i l\u00e0 li\u1ec7u silicone c\u00f3 &quot;th\u1ea5m&quot; hay kh\u00f4ng, m\u00e0 l\u00e0 li\u1ec7u \u0111\u1ed9 truy\u1ec1n d\u1eabn \u0111o \u0111\u01b0\u1ee3c c\u1ee7a h\u1ee3p ch\u1ea5t v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee5 th\u1ec3 \u0111\u00f3 c\u00f3 n\u1eb1m trong gi\u1edbi h\u1ea1n c\u1ee7a s\u1ea3n ph\u1ea9m trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>A silicone seal can stop liquid water and still allow oxygen, carbon dioxide, or water vapor to pass through its bulk. That apparent contradiction causes specification errors in sealed housings, membranes, silicone tubing, and pressure-sensitive products. Silicone permeability is relatively high because gas molecules dissolve into the elastomer and diffuse through free volume between its [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1013],"tags":[],"class_list":["post-8594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone-properties"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/8594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/comments?post=8594"}],"version-history":[{"count":2,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/8594\/revisions"}],"predecessor-version":[{"id":18802,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/8594\/revisions\/18802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media\/18749"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media?parent=8594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/categories?post=8594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/tags?post=8594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}