{"id":9538,"date":"2026-06-05T11:21:49","date_gmt":"2026-06-05T03:21:49","guid":{"rendered":"https:\/\/rysilicone.com\/?p=9538"},"modified":"2026-08-06T14:12:27","modified_gmt":"2026-08-06T06:12:27","slug":"electrical-properties-of-silicone","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/vi\/electrical-properties-of-silicone\/","title":{"rendered":"T\u00ednh ch\u1ea5t \u0111i\u1ec7n c\u1ee7a silicon: \u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i, \u0111i\u1ec7n tr\u1edf su\u1ea5t v\u00e0 nh\u1eefng \u0111i\u1ec3m m\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n th\u1ef1c s\u1ef1 b\u1ecb h\u1ecfng."},"content":{"rendered":"<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec1u coi silicone l\u00e0 &quot;ch\u1ea5t c\u00e1ch \u0111i\u1ec7n&quot; \u2014 m\u1ed9t t\u1eeb, m\u1ed9t \u0111\u1eb7c t\u00ednh, \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb b\u1ea3ng bi\u1ec3u. Linh ki\u1ec7n v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra \u0111i\u1ec7n \u00e1p cao t\u1ea1i nh\u00e0 m\u00e1y. N\u00f3 \u0111\u01b0\u1ee3c xu\u1ea5t x\u01b0\u1edfng. Trong n\u0103m \u0111\u1ea7u ti\u00ean, n\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 nh\u1eefng g\u00ec b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00e3 h\u1ee9a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sau \u0111\u00f3, m\u1ed9t \u0111\u1ea7u n\u1ed1i cao \u00e1p trong tr\u1ea1m bi\u1ebfn \u00e1p ven bi\u1ec3n b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n b\u1ec1 m\u1eb7t. M\u1ed9t \u0111\u1ea7u n\u1ed1i thanh d\u1eabn \u0111i\u1ec7n \u0111\u00e3 v\u01b0\u1ee3t qua ki\u1ec3m tra \u0111i\u1ec7n m\u00f4i nh\u01b0ng sau ba m\u00f9a \u0111\u00f4ng ti\u1ebfp x\u00fac v\u1edbi s\u01b0\u01a1ng mu\u1ed1i l\u1ea1i xu\u1ea5t hi\u1ec7n v\u1ebft carbon tr\u00ean b\u1ec1 m\u1eb7t. V\u1eadt li\u1ec7u ch\u00ednh kh\u00f4ng h\u1ec1 thay \u0111\u1ed5i. L\u1ed7i n\u00e0y s\u1ebd kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong th\u1eed nghi\u1ec7m \u0111i\u1ec7n m\u00f4i tr\u00ean b\u00e0n th\u00ed nghi\u1ec7m, v\u00ec th\u1eed nghi\u1ec7m \u0111\u00f3 \u0111o sai th\u00f4ng s\u1ed1 c\u1ea7n thi\u1ebft cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Silicone l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n m\u1ea1nh \u2014 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch kho\u1ea3ng 10\u00b9\u2074\u201310\u00b9\u2075 \u03a9\u00b7cm v\u00e0 \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i 18\u201325 kV\/mm \u2014 nh\u01b0ng \u201cc\u00e1ch \u0111i\u1ec7n\u201d l\u00e0 b\u1ed1n con s\u1ed1 ri\u00eang bi\u1ec7t, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t, v\u00e0 s\u1ef1 h\u1ecfng h\u00f3c d\u1eabn \u0111\u1ebfn h\u1ecfng h\u1ea7u h\u1ebft c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n \u00e1p cao l\u00e0 do hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n b\u1ec1 m\u1eb7t, ch\u1ee9 kh\u00f4ng ph\u1ea3i do s\u1ef1 ph\u00e1 v\u1ee1 kh\u1ed1i l\u01b0\u1ee3ng. C\u00f9ng m\u1ed9t lo\u1ea1i polymer c\u01a1 b\u1ea3n c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i b\u00e1n d\u1eabn v\u00e0 d\u1eabn \u0111i\u1ec7n ho\u00e0n to\u00e0n; h\u1ec7 th\u1ed1ng ch\u1ea5t \u0111\u1ed9n, ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1ea3n th\u00e2n silicone, quy\u1ebft \u0111\u1ecbnh t\u00ednh ch\u1ea5t \u0111i\u1ec7n c\u1ee7a ch\u00fang.<\/strong> \u0110\u00e2y l\u00e0 v\u1ecb tr\u00ed c\u1ee7a c\u00e1c ranh gi\u1edbi v\u00e0 c\u00e1ch th\u1ee9c x\u00e1c minh t\u1eebng ranh gi\u1edbi \u0111\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00f3m t\u1eaft<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 h\u1eb1ng s\u1ed1 v\u1eadt li\u1ec7u.<\/strong> M\u1ee9c \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c 23 kV\/mm tr\u00ean m\u1eabu d\u00e0y 1 mm kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c 230 kV \u1edf \u0111\u1ed9 d\u00e0y 10 mm \u2014 gi\u00e1 tr\u1ecb kV\/mm gi\u1ea3m khi \u0111\u1ed9 d\u00e0y ti\u1ebft di\u1ec7n t\u0103ng v\u00e0 ti\u1ebfp t\u1ee5c gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng.<\/li>\n\n\n\n<li><strong>C\u00e1c linh ki\u1ec7n \u0111i\u1ec7n \u00e1p cao th\u01b0\u1eddng b\u1ecb h\u1ecfng \u1edf b\u1ec1 m\u1eb7t ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u00ean trong.<\/strong> Ti\u00eau chu\u1ea9n IEC 60587 quy \u0111\u1ecbnh tu\u1ed5i th\u1ecd ngo\u00e0i tr\u1eddi v\u00e0 \u0111i\u1ec7n \u00e1p cao (HV) v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n v\u00e0 x\u00f3i m\u00f2n do \u00f4 nhi\u1ec5m. Silicone v\u01b0\u1ee3t tr\u1ed9i h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i t\u00ednh k\u1ef5 n\u01b0\u1edbc, nh\u01b0ng \u0111\u00f3 l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh kh\u00e1c v\u00e0 m\u1ed9t ph\u00e9p th\u1eed kh\u00e1c so v\u1edbi \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i t\u1ed5ng th\u1ec3.<\/li>\n\n\n\n<li><strong>Ph\u1ea7n b\u1ed5 sung n\u00e0y x\u00e1c \u0111\u1ecbnh lo\u1ea1i \u0111i\u1ec7n.<\/strong> V\u1eadt li\u1ec7u VMQ kh\u00f4ng ch\u1ee9a ch\u1ea5t \u0111\u1ed9n c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t 10\u00b9\u2075 \u03a9\u00b7cm; c\u00e1c lo\u1ea1i c\u00f3 ch\u1ee9a carbon d\u1eabn \u0111i\u1ec7n \u1edf m\u1ee9c 10\u2070\u201310\u00b2 \u03a9\u00b7cm. Vi\u1ec7c ghi nh\u00e3n \u201csilicone\u201d kh\u00f4ng n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec v\u1ec1 vi\u1ec7c v\u1eadt li\u1ec7u \u0111\u00f3 c\u00e1ch \u0111i\u1ec7n hay d\u1eabn \u0111i\u1ec7n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dd ngh\u0129a th\u1ef1c s\u1ef1 c\u1ee7a t\u1eeb \u201cC\u00e1ch nhi\u1ec7t\u201d: B\u1ed1n con s\u1ed1, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t.<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties.jpg\" alt=\"\" class=\"wp-image-16371\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Four-silicone-electrical-insulation-properties-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ed1n \u0111\u1eb7c t\u00ednh c\u00e1ch \u0111i\u1ec7n c\u1ee7a silicon<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t b\u1ea3n \u0111\u1eb7c t\u1ea3 \u0111i\u1ec7n h\u1eefu d\u1ee5ng ph\u00e2n t\u00e1ch b\u1ed1n \u0111\u1eb7c t\u00ednh, m\u1ed7i \u0111\u1eb7c t\u00ednh c\u00f3 b\u00e0i ki\u1ec3m tra ri\u00eang v\u00e0 ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c ri\u00eang. Vi\u1ec7c coi ch\u00fang nh\u01b0 m\u1ed9t ch\u1ec9 s\u1ed1 &quot;c\u00e1ch \u0111i\u1ec7n&quot; duy nh\u1ea5t l\u00e0 nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>T\u00e0i s\u1ea3n<\/strong><\/th><th><strong>Ph\u1ea1m vi VMQ \u0111i\u1ec3n h\u00ecnh<\/strong><\/th><th><strong>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/strong><\/th><th><strong>\u0110i\u1ec1u \u0111\u00f3 cho b\u1ea1n bi\u1ebft<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch<\/td><td>10\u00b9\u2074\u201310\u00b9\u2075 \u03a9\u00b7cm<\/td><td>ASTM D257 \/ IEC 60093<\/td><td>Kh\u1ea3 n\u0103ng ch\u1eb7n r\u00f2 r\u1ec9 DC c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn nh\u01b0 th\u1ebf n\u00e0o?<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i<\/td><td>18\u201325 kV\/mm (m\u1eb7t c\u1eaft m\u1ecfng)<\/td><td>ASTM D149 \/ IEC 60243<\/td><td>\u0110\u1ed9 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf tr\u01b0\u1edbc khi \u0111\u00e2m th\u1ee7ng<\/td><\/tr><tr><td>H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i (\u0111\u1ed9 \u0111i\u1ec7n th\u1ea9m)<\/td><td>2,9\u20134,0<\/td><td><a href=\"https:\/\/www.astm.org\/d0150-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D150<\/a> \/ IEC 60250<\/td><td>L\u01b0u tr\u1eef \u0111i\u1ec7n t\u00edch; c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn ph\u00e2n lo\u1ea1i \u1ee9ng su\u1ea5t \u0111i\u1ec7n \u00e1p cao v\u00e0 t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF).<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 ti\u00eau t\u00e1n (tan \u03b4)<\/td><td>~0,001\u20130,01<\/td><td>ASTM D150 \/ IEC 60250<\/td><td>N\u0103ng l\u01b0\u1ee3ng b\u1ecb m\u1ea5t d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t khi s\u1eed d\u1ee5ng m\u00e1y l\u1ea1nh; m\u1ee9c th\u1ea5p l\u00e0 t\u1ed1t.<\/td><\/tr><tr><td>\u0110i\u1ec7n tr\u1edf h\u1ed3 quang<\/td><td>Cao (t\u1ea1o th\u00e0nh tro kh\u00f4ng d\u1eabn \u0111i\u1ec7n)<\/td><td>ASTM D495<\/td><td>H\u00e0nh vi d\u01b0\u1edbi hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang b\u1ec1 m\u1eb7t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 s\u1ed1 t\u1ed5n hao th\u1ea5p v\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u1ed5n \u0111\u1ecbnh l\u00e0 l\u00fd do t\u1ea1i sao silicon xu\u1ea5t hi\u1ec7n trong c\u00e1c \u0111\u1ea7u n\u1ed1i RF v\u00e0 c\u00e1c n\u00f3n ch\u1ecbu \u1ee9ng su\u1ea5t cao \u00e1p \u2014 n\u00f3 l\u01b0u tr\u1eef v\u00e0 gi\u1ea3i ph\u00f3ng \u0111i\u1ec7n t\u00edch m\u1ed9t c\u00e1ch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c v\u00e0 l\u00e3ng ph\u00ed r\u1ea5t \u00edt \u0111i\u1ec7n n\u0103ng d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t. Nh\u01b0ng kh\u00f4ng c\u00f3 th\u00f4ng s\u1ed1 n\u00e0o trong s\u1ed1 n\u00e0y d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c h\u00e0nh vi b\u1ec1 m\u1eb7t th\u1ef1c s\u1ef1 chi ph\u1ed1i ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 h\u1eb1ng s\u1ed1 v\u1eadt li\u1ec7u.<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength.jpg\" alt=\"\" class=\"wp-image-16376\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-thickness-affects-dielectric-strength-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>\u0110\u1ed9 d\u00e0y c\u1ee7a silicon \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i.<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 con s\u1ed1 b\u1ecb hi\u1ec3u sai nhi\u1ec1u nh\u1ea5t trong b\u1ea3ng d\u1eef li\u1ec7u silicon. \u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o b\u1eb1ng kV\/mm, v\u00e0 m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng ng\u1ea7m cho r\u1eb1ng n\u00f3 t\u1ef7 l\u1ec7 tuy\u1ebfn t\u00ednh. Th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i v\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u1ed9 d\u00e0y ti\u1ebft di\u1ec7n t\u0103ng l\u00ean, \u0111\u1ed9 d\u1ed1c \u0111i\u1ec7n \u00e1p \u0111\u00e1nh th\u1ee7ng gi\u1ea3m xu\u1ed1ng \u2014 m\u1ed9t ph\u1ea7n v\u00ec c\u00e1c ti\u1ebft di\u1ec7n d\u00e0y h\u01a1n gi\u1eef nhi\u1ec7t nhi\u1ec1u h\u01a1n trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, m\u1ed9t ph\u1ea7n v\u00ec x\u00e1c su\u1ea5t th\u1ed1ng k\u00ea v\u1ec1 s\u1ef1 h\u00ecnh th\u00e0nh l\u1ed7 r\u1ed7ng b\u00ean trong ho\u1eb7c c\u1ee5m v\u1eadt li\u1ec7u \u0111\u1ed9n n\u1eb1m trong v\u00f9ng c\u00e1ch \u0111i\u1ec7n t\u0103ng l\u00ean. M\u1ed9t lo\u1ea1i c\u00e1ch \u0111i\u1ec7n c\u00f3 ch\u1ec9 s\u1ed1 23 kV\/mm \u1edf \u0111\u1ed9 d\u00e0y 1 mm c\u00f3 th\u1ec3 ch\u1ec9 cho ra \u0111i\u1ec7n \u00e1p b\u1eb1ng kho\u1ea3ng m\u1ed9t n\u1eeda con s\u1ed1 \u0111\u00f3 tr\u00ean m\u1ed7i milimet trong m\u1ed9t l\u1edbp c\u00e1ch \u0111i\u1ec7n d\u00e0y 6 mm. Vi\u1ec7c thi\u1ebft k\u1ebf m\u1ed9t ch\u1ea5t c\u00e1ch \u0111i\u1ec7n d\u00e0y d\u1ef1a tr\u00ean s\u1ed1 li\u1ec7u t\u1eeb m\u1eabu m\u1ecfng l\u00e0 nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn vi\u1ec7c s\u1ea3n ph\u1ea9m b\u1ecb th\u1ee7ng \u1edf \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f2n hai y\u1ebfu t\u1ed1 n\u1eefa \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nhi\u1ec7t \u0111\u1ed9.<\/strong> \u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i gi\u1ea3m khi v\u1eadt li\u1ec7u n\u00f3ng l\u00ean. M\u1ed9t l\u1edbp b\u1ecdc c\u00f3 \u0111\u1ecbnh m\u1ee9c 23\u00b0C s\u1ebd c\u00f3 \u0111\u1eb7c t\u00ednh kh\u00e1c khi \u0111\u1eb7t c\u1ea1nh thanh d\u1eabn \u0111i\u1ec7n 150\u00b0C. H\u00e3y k\u1ebft h\u1ee3p \u0111i\u1ec1u n\u00e0y v\u1edbi \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u.<\/li>\n\n\n\n<li><strong>C\u00e1c l\u1ed7 r\u1ed7ng v\u00e0 \u0111\u1ed9 x\u1ed1p.<\/strong> C\u00e1c t\u00fai kh\u00ed do qu\u00e1 tr\u00ecnh kh\u1eed kh\u00ed kh\u00f4ng ho\u00e0n to\u00e0n ho\u1eb7c tia l\u1eeda b\u1ecb k\u1eb9t tr\u1edf th\u00e0nh c\u00e1c \u0111i\u1ec3m ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9. Ch\u00fang tr\u1ea3i qua qu\u00e1 tr\u00ecnh \u0111i\u1ec7n \u00e1p cao ng\u1eafn h\u1ea1n v\u00e0 sau \u0111\u00f3 \u0103n m\u00f2n polyme xung quanh trong nhi\u1ec1u th\u00e1ng.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.astm.org\/d0149-20.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D149<\/a> Ti\u00eau chu\u1ea9n IEC 60243 c\u0169ng cho ph\u00e9p ph\u00f2ng th\u00ed nghi\u1ec7m l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p c\u1ea5p \u0111i\u1ec7n \u00e1p ng\u1eafn h\u1ea1n, t\u1eebng b\u01b0\u1edbc ho\u1eb7c t\u1ed1c \u0111\u1ed9 ch\u1eadm, v\u00e0 h\u00ecnh d\u1ea1ng \u0111i\u1ec7n c\u1ef1c c\u0169ng nh\u01b0 m\u00f4i tr\u01b0\u1eddng xung quanh (kh\u00f4ng kh\u00ed so v\u1edbi d\u1ea7u) \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3. M\u1ed9t gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i m\u00e0 kh\u00f4ng k\u00e8m theo \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m th\u00ec kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec7n tr\u1edf su\u1ea5t v\u00e0 \u0111\u1ea7u d\u1eabn \u0111i\u1ec7n c\u1ee7a d\u1ea3i \u0111o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb \u201csilicone\u201d kh\u00f4ng cho b\u1ea1n bi\u1ebft g\u00ec v\u1ec1 kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, <a href=\"https:\/\/rysilicone.com\/vi\/complete-silicone-material-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u1ea5u tr\u00fac x\u01b0\u01a1ng s\u1ed1ng Si\u2013O<\/a> bao g\u1ed3m b\u1ed1n th\u1eadp k\u1ef7 \u0111i\u1ec7n tr\u1edf su\u1ea5t t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t \u0111\u1ed9n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1ch ly VMQ:<\/strong> 10\u00b9\u2074\u201310\u00b9\u2075 \u03a9\u00b7cm. Ti\u00eau chu\u1ea9n cho \u1ee7ng, \u1ed1ng b\u1ecdc, bao b\u1ecdc.<\/li>\n\n\n\n<li><strong>C\u00e1c lo\u1ea1i b\u00e1n d\u1eabn:<\/strong> ~10\u00b3\u201310\u2076 \u03a9\u00b7cm, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n c\u1ea5p \u1ee9ng su\u1ea5t t\u1ea1i c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00e1p cao \u00e1p nh\u1eb1m ki\u1ec3m so\u00e1t \u0111i\u1ec7n tr\u01b0\u1eddng.<\/li>\n\n\n\n<li><strong>D\u1eabn \u0111i\u1ec7n (c\u00f3 ch\u1ee9a mu\u1ed9i than):<\/strong> 10\u2070\u201310\u00b2 \u03a9\u00b7cm, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c gio\u0103ng ch\u1eafn EMI\/RFI, c\u00e1c b\u1ed9 ph\u1eadn ESD v\u00e0 c\u00e1c vi\u00ean ti\u1ebfp x\u00fac carbon trong b\u00e0n ph\u00edm silicon.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart.jpg\" alt=\"\" class=\"wp-image-16374\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-resistivity-class-comparison-chart-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng so s\u00e1nh \u0111i\u1ec7n tr\u1edf su\u1ea5t silicon<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c b\u1ed5 sung ch\u1ea5t \u0111\u1ed9n t\u1ea1o ra t\u00ednh d\u1eabn \u0111i\u1ec7n c\u0169ng l\u00e0m thay \u0111\u1ed5i t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u2014 c\u00e1c lo\u1ea1i silicone d\u1eabn \u0111i\u1ec7n th\u01b0\u1eddng c\u1ee9ng h\u01a1n, \u0111\u1ed9 gi\u00e3n n\u1edf th\u1ea5p h\u01a1n v\u00e0 d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng do n\u00e9n h\u01a1n so v\u1edbi silicone kh\u00f4ng pha tr\u1ed9n. B\u1ea1n kh\u00f4ng th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c t\u00ednh d\u1eabn \u0111i\u1ec7n m\u1ed9t c\u00e1ch mi\u1ec5n ph\u00ed; xem th\u00eam <a href=\"https:\/\/rysilicone.com\/vi\/conductive-silicone-properties\/\">c\u00e1c lo\u1ea1i silicon d\u1eabn \u0111i\u1ec7n v\u00e0 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n<\/a> \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ee5c ti\u00eau v\u1ec1 \u0111i\u1ec7n tr\u1edf su\u1ea5t v\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc \u1edf m\u1ed7i m\u1ee9c \u0111\u1ed9 ch\u1ea5t \u0111\u1ed9n. <a href=\"https:\/\/www.astm.org\/d0257-14r21e01.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D257<\/a> Ti\u00eau chu\u1ea9n IEC 60093 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u1ea3 \u0111i\u1ec7n tr\u1edf su\u1ea5t b\u1ec1 m\u1eb7t v\u00e0 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch, v\u00e0 hai gi\u00e1 tr\u1ecb n\u00e0y s\u1ebd kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t khi m\u1ed9t b\u1ed9 ph\u1eadn b\u1ecb nhi\u1ec5m b\u1ea9n, \u0111\u00e2y ch\u00ednh l\u00e0 c\u1ea7u n\u1ed1i d\u1eabn \u0111\u1ebfn ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c quan tr\u1ecdng nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n v\u00e0 r\u00f2 r\u1ec9 b\u1ec1 m\u1eb7t: N\u01a1i m\u00e0 silicon ch\u1ecbu \u0111i\u1ec7n \u00e1p cao th\u1ef1c s\u1ef1 b\u1ecb h\u1ecfng<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination.jpg\" alt=\"\" class=\"wp-image-16375\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-surface-tracking-under-contamination-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>D\u1ea5u v\u1ebft tr\u00ean b\u1ec1 m\u1eb7t silicon d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 nhi\u1ec5m b\u1ea9n<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i t\u1ed5ng th\u1ec3 hi\u1ebfm khi l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y h\u1ecfng linh ki\u1ec7n \u0111i\u1ec7n \u00e1p cao \u0111\u1eb7t ngo\u00e0i tr\u1eddi. M\u00e0 ch\u00ednh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n b\u1ec1 m\u1eb7t. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00f4 nhi\u1ec5m v\u00e0 \u0111\u1ed9 \u1ea9m, d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 t\u1eadp trung th\u00e0nh c\u00e1c d\u1ea3i kh\u00f4, t\u1ea1o th\u00e0nh h\u1ed3 quang v\u00e0 t\u1eeb t\u1eeb cacbon h\u00f3a m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t. M\u1ed9t khi \u0111\u01b0\u1eddng d\u1eabn \u0111\u00f3 xuy\u00ean qua linh ki\u1ec7n, \u0111i\u1ec7n tr\u1edf su\u1ea5t t\u1ed5ng th\u1ec3 kh\u00f4ng c\u00f2n quan tr\u1ecdng n\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u01afu \u0111i\u1ec3m th\u1ef1c s\u1ef1 c\u1ee7a silicone \u1edf \u0111\u00e2y l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc \u2014 v\u00e0 c\u1ee5 th\u1ec3 l\u00e0... <strong>ph\u1ee5c h\u1ed3i t\u00ednh k\u1ef5 n\u01b0\u1edbc<\/strong>. N\u01b0\u1edbc s\u1ebd \u0111\u1ecdng th\u00e0nh gi\u1ecdt thay v\u00ec t\u1ea1o th\u00e0nh m\u00e0ng, gi\u00fap gi\u1eef cho d\u00f2ng r\u00f2 r\u1ec9 \u1edf m\u1ee9c th\u1ea5p; ngay c\u1ea3 sau khi b\u1ec1 m\u1eb7t b\u1ecb \u01b0\u1edbt ho\u1eb7c nhi\u1ec5m b\u1ea9n t\u1ea1m th\u1eddi, c\u00e1c chu\u1ed7i ph\u00e2n t\u1eed tr\u1ecdng l\u01b0\u1ee3ng th\u1ea5p s\u1ebd di chuy\u1ec3n l\u00ean b\u1ec1 m\u1eb7t v\u00e0 kh\u00f4i ph\u1ee5c kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao cao su silicon \u0111\u00e3 thay th\u1ebf EPDM v\u00e0 s\u1ee9 trong c\u00e1c ch\u1ea5t c\u00e1ch \u0111i\u1ec7n cao \u00e1p v\u00e0 ph\u1ee5 ki\u1ec7n c\u00e1p. \u0110\u00f3 l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1eb7c t\u00ednh kh\u1ed1i, v\u00e0 n\u00f3 li\u00ean quan \u0111\u1ebfn h\u00e0nh vi k\u1ef5 n\u01b0\u1edbc r\u1ed9ng h\u01a1n c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc kh\u00f4ng ph\u1ea3i l\u00e0 v\u00f4 h\u1ea1n. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n h\u1ed3 quang kh\u00f4 k\u00e9o d\u00e0i, b\u1ec1 m\u1eb7t s\u1ebd b\u1ecb \u0103n m\u00f2n, v\u00e0 \u0111i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o ch\u1ea5t \u0111\u1ed9n \u2014 <a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/aluminum-hydroxide\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">nh\u00f4m trihydrat (ATH)<\/a> Ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng theo d\u00f5i v\u00e0 ch\u1ed1ng x\u00f3i m\u00f2n b\u1eb1ng c\u00e1ch gi\u1ea3i ph\u00f3ng n\u01b0\u1edbc v\u00e0 t\u1ea1o th\u00e0nh c\u1eb7n v\u00f4 c\u01a1 b\u1ea3o v\u1ec7. C\u00e1c th\u1eed nghi\u1ec7m \u0111i\u1ec1u ch\u1ec9nh kh\u00e1c v\u1edbi b\u1ea5t k\u1ef3 \u0111i\u1ec1u g\u00ec \u1edf tr\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/61338\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>IEC 60587<\/strong><\/a> \u2014 Theo d\u00f5i v\u00e0 x\u00f3i m\u00f2n tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang, th\u1eed nghi\u1ec7m ngo\u00e0i tr\u1eddi HV c\u1ed1t l\u00f5i<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ul.com\/services\/comparative-tracking-index-cti-iec-60112\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>IEC 60112 (CTI)<\/strong><\/a> \u2014 Ch\u1ec9 s\u1ed1 theo d\u00f5i so s\u00e1nh cho thi\u1ebft k\u1ebf r\u00f2 r\u1ec9 \u0111i\u1ec7n \u00e1p th\u1ea5p<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0495-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>ASTM D495<\/strong><\/a> \u2014 \u0111i\u1ec7n tr\u1edf h\u1ed3 quang cao \u00e1p<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t nh\u00f3m ch\u1ec9 t\u1eadp trung v\u00e0o th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i t\u1ed5ng th\u1ec3 cho m\u1ed9t linh ki\u1ec7n ngo\u00e0i tr\u1eddi \u0111\u00e3 ki\u1ec3m tra \u0111\u1eb7c t\u00ednh \u00edt c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb h\u1ecfng nh\u1ea5t v\u00e0 b\u1ecf qua \u0111\u1eb7c t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb h\u1ecfng cao nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00e3o h\u00f3a, ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 v\u00e0 s\u1ef1 tr\u00f4i d\u1ea1t ch\u1eadm<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t \u0111i\u1ec7n c\u1ee7a silicone \u0111\u01b0\u1ee3c duy tr\u00ec trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng h\u01a1n so v\u1edbi cao su h\u1eefu c\u01a1 \u2014 kho\u1ea3ng t\u1eeb -50\u00b0C \u0111\u1ebfn 200\u00b0C v\u1edbi s\u1ef1 thay \u0111\u1ed5i nh\u1ecf v\u1ec1 \u0111i\u1ec7n tr\u1edf su\u1ea5t v\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i. T\u00ednh \u1ed5n \u0111\u1ecbnh \u0111\u00f3 l\u00e0 c\u00f3 th\u1eadt v\u00e0 l\u00e0 l\u00fd do ch\u00ednh \u0111\u00e1ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn n\u00f3. S\u1ef1 thay \u0111\u1ed5i \u0111\u1ebfn t\u1eeb c\u01a1 h\u1ecdc, ch\u1ee9 kh\u00f4ng ph\u1ea3i do c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c. <a href=\"https:\/\/rysilicone.com\/vi\/chemical-properties-of-silicone\/\">ho\u00e1 h\u1ecdc<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong \u1ee9ng d\u1ee5ng b\u1ecbt k\u00edn ho\u1eb7c \u0111\u1ed5 khu\u00f4n, bi\u1ebfn d\u1ea1ng n\u00e9n t\u1ea1o ra c\u00e1c khe h\u1edf si\u00eau nh\u1ecf theo th\u1eddi gian. Nh\u1eefng khe h\u1edf \u0111\u00f3 tr\u1edf th\u00e0nh v\u1ecb tr\u00ed ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9. Ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 kh\u00f4ng ph\u00e1 v\u1ee1 chi ti\u1ebft ngay l\u1eadp t\u1ee9c; n\u00f3 \u0103n m\u00f2n polymer t\u1ea1i th\u00e0nh khe h\u1edf, t\u1eeb t\u1eeb, cho \u0111\u1ebfn khi h\u00ecnh th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn \u2014 th\u01b0\u1eddng l\u00e0 nhi\u1ec1u n\u0103m sau khi ki\u1ec3m tra \u0111i\u1ec7n \u00e1p cao t\u1ea1i nh\u00e0 m\u00e1y. Chi ti\u1ebft kh\u00f4ng b\u1ecb gi\u1ea3m \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i. N\u00f3 ph\u00e1t tri\u1ec3n m\u1ed9t h\u00ecnh d\u1ea1ng b\u00ean trong m\u00e0 th\u1eed nghi\u1ec7m ban \u0111\u1ea7u kh\u00f4ng h\u1ec1 th\u1ea5y. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m m\u00e0 c\u00e1c nh\u00f3m ki\u1ec3m \u0111\u1ecbnh b\u1ecf s\u00f3t: qu\u00e1 tr\u00ecnh ki\u1ec3m \u0111\u1ecbnh ch\u1ec9 ghi nh\u1eadn chi ti\u1ebft \u1edf tr\u1ea1ng th\u00e1i khi \u0111\u01b0\u1ee3c \u0111\u00fac, ch\u1ee9 kh\u00f4ng ph\u1ea3i chi ti\u1ebft \u1edf tr\u1ea1ng th\u00e1i sau khi \u0111\u00fac. <a href=\"https:\/\/rysilicone.com\/vi\/does-silicone-degrade-over-time\/\" target=\"_blank\" rel=\"noreferrer noopener\">gi\u00e0 v\u00e0 n\u00e9n<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00ec sao c\u00e1c \u0111\u1ed9i l\u1ea1i \u0111\u00e1nh gi\u00e1 th\u1ea5p \u0111i\u1ec1u n\u00e0y?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4 h\u00ecnh n\u00e0y nh\u1ea5t qu\u00e1n. &quot;Silicone l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n&quot; l\u00e0 \u0111\u00fang, v\u00ec v\u1eady n\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t thu\u1ed9c t\u00ednh nh\u1ecb ph\u00e2n duy nh\u1ea5t v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u1eebng l\u1ea1i \u1edf \u0111\u00f3. Ba v\u1ea5n \u0111\u1ec1 sau \u0111\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ee9 nh\u1ea5t, \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i \u0111\u01b0\u1ee3c \u0111\u1ecdc nh\u01b0 m\u1ed9t h\u1eb1ng s\u1ed1 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, v\u00ec v\u1eady c\u00e1c ph\u1ea7n d\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean d\u1eef li\u1ec7u t\u1eeb c\u00e1c m\u1eabu m\u1ecfng v\u00e0 bi\u00ean \u0111\u1ed9 an to\u00e0n bi\u1ebfn m\u1ea5t m\u1ed9t c\u00e1ch \u00e2m th\u1ea7m. Th\u1ee9 hai, s\u1ef1 \u0111\u00e1nh th\u1ee7ng kh\u1ed1i \u0111\u01b0\u1ee3c ki\u1ec3m tra trong khi s\u1ef1 r\u00f2 r\u1ec9 b\u1ec1 m\u1eb7t \u2014 ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c th\u1ef1c t\u1ebf ngo\u00e0i tr\u1eddi \u2014 kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, b\u1edfi v\u00ec n\u00f3 y\u00eau c\u1ea7u m\u1ed9t ti\u00eau chu\u1ea9n kh\u00e1c m\u00e0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi mua kh\u00f4ng bi\u1ebft \u0111\u1ec3 y\u00eau c\u1ea7u. Th\u1ee9 ba, linh ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh theo tr\u1ea1ng th\u00e1i \u0111\u00fac, v\u00ec v\u1eady s\u1ef1 \u0103n m\u00f2n do ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9 v\u00e0 c\u00e1c khe h\u1edf do bi\u1ebfn d\u1ea1ng n\u00e9n ph\u1ea3i m\u1ea5t nhi\u1ec1u n\u0103m m\u1edbi h\u00ecnh th\u00e0nh kh\u00f4ng bao gi\u1edd xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh ki\u1ec3m \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 do thi\u1ebfu n\u0103ng l\u1ef1c. V\u1ea5n \u0111\u1ec1 l\u00e0 thu\u1ed9c t\u00ednh ch\u00ednh d\u1ec5 t\u00ecm th\u1ea5y, c\u00f2n c\u00e1c thu\u1ed9c t\u00ednh chi ph\u1ed1i l\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf trang \u0111\u1ea7u c\u1ee7a b\u1ea3ng d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng th\u1ee9 t\u00f4i c\u1ea7n tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn \u0111i\u1ec3m s\u1ed1<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart.jpg\" alt=\"\" class=\"wp-image-16372\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart.jpg 800w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-300x168.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-768x429.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/06\/Silicone-electrical-grade-selection-flowchart-600x335.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>s\u01a1 \u0111\u1ed3 quy tr\u00ecnh l\u1ef1a ch\u1ecdn silicon c\u1ea5p \u0111i\u1ec7n<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi t\u00f4i x\u00e1c \u0111\u1ecbnh c\u1ea5p \u0111\u1ed9 \u0111i\u1ec7n, h\u1ec7 th\u1ed1ng ch\u1ea5t \u0111\u1ed9n v\u00e0 qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn, h\u00e3y g\u1eedi c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c con s\u1ed1 n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng, d\u1ea1ng s\u00f3ng (DC \/ AC \/ xung) v\u00e0 chu k\u1ef3 l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c so v\u1edbi chu k\u1ef3 l\u00e0m vi\u1ec7c t\u1ea1m th\u1eddi.<\/li>\n\n\n\n<li>Ph\u1ea7n t\u01b0\u1eddng c\u00e1ch nhi\u1ec7t m\u1ecfng nh\u1ea5t trong thi\u1ebft k\u1ebf.<\/li>\n\n\n\n<li>Trong nh\u00e0 hay ngo\u00e0i tr\u1eddi, m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m\/nhi\u1ec5m b\u1ea9n v\u00e0 \u0111\u1ed9 \u1ea9m<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i t\u1ea1i b\u1ed9 ph\u1eadn<\/li>\n\n\n\n<li>Cho d\u00f9 b\u1ed9 ph\u1eadn \u0111\u00f3 ph\u1ea3i c\u00e1ch \u0111i\u1ec7n, ch\u1ecbu \u1ee9ng su\u1ea5t (b\u00e1n d\u1eabn) hay d\u1eabn \u0111i\u1ec7n.<\/li>\n\n\n\n<li>M\u1ee5c ti\u00eau tu\u00e2n th\u1ee7: <a href=\"https:\/\/www.shopulstandards.com\/ProductDetail.aspx?UniqueKey=36573\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">UL 746 (RTI)<\/a>, c\u1ea5p theo d\u00f5i IEC 60587 v\u00e0 b\u1ea5t k\u1ef3 x\u1ebfp h\u1ea1ng kh\u1ea3 n\u0103ng ch\u00e1y n\u00e0o, li\u00ean quan \u0111\u1ebfn h\u00e0nh vi c\u1ee7a ng\u1ecdn l\u1eeda v\u00e0 \u0111\u00e1m ch\u00e1y c\u1ee7a c\u1ea5p \u0111\u1ed9 \u0111\u00f3.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi nh\u1eefng th\u00f4ng tin \u0111\u00f3, t\u00f4i c\u00f3 th\u1ec3 cho b\u1ea1n bi\u1ebft li\u1ec7u ch\u1ea5t c\u00e1ch \u0111i\u1ec7n VMQ ti\u00eau chu\u1ea9n c\u00f3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u hay kh\u00f4ng, li\u1ec7u b\u1ea1n c\u00f3 c\u1ea7n lo\u1ea1i ch\u1ed1ng ph\u00f3ng \u0111i\u1ec7n b\u1ec1 m\u1eb7t ch\u1ee9a ATH hay kh\u00f4ng, ho\u1eb7c li\u1ec7u \u1ee9ng d\u1ee5ng \u0111\u00f3 y\u00eau c\u1ea7u h\u1ee3p ch\u1ea5t b\u00e1n d\u1eabn hay d\u1eabn \u0111i\u1ec7n. N\u1ebfu kh\u00f4ng c\u00f3 \u0111i\u1ec7n \u00e1p, \u0111\u1ed9 d\u00e0y th\u00e0nh v\u00e0 m\u00f4i tr\u01b0\u1eddng, b\u1ea5t k\u1ef3 th\u00f4ng s\u1ed1 \u0111i\u1ec7n m\u00f4i n\u00e0o t\u00f4i cung c\u1ea5p cho b\u1ea1n \u0111\u1ec1u ch\u1ec9 m\u00f4 t\u1ea3 m\u1eabu th\u1eed, ch\u1ee9 kh\u00f4ng ph\u1ea3i linh ki\u1ec7n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00e0i li\u1ec7u tham kh\u1ea3o &amp; Ti\u00eau chu\u1ea9n<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.astm.org\/d0149-20.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D149 \u2014 \u0110i\u1ec7n \u00e1p \u0111\u00e1nh th\u1ee7ng \u0111i\u1ec7n m\u00f4i v\u00e0 \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n r\u1eafn<\/a> \u2014 ASTM Qu\u1ed1c t\u1ebf<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0257-14r21e01.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D257 \u2014 \u0110i\u1ec7n tr\u1edf ho\u1eb7c \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n DC c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n<\/a> \u2014 ASTM Qu\u1ed1c t\u1ebf<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0150-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D150 \u2014 \u0110\u1eb7c t\u00ednh t\u1ed5n hao \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n r\u1eafn<\/a> \u2014 ASTM Qu\u1ed1c t\u1ebf<\/li>\n\n\n\n<li><a href=\"https:\/\/www.astm.org\/d0495-22.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D495 \u2014 Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u1ed3 quang kh\u00f4, \u0111i\u1ec7n \u00e1p cao, d\u00f2ng \u0111i\u1ec7n th\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n r\u1eafn<\/a> \u2014 ASTM Qu\u1ed1c t\u1ebf<\/li>\n\n\n\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/61338\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">IEC 60587:2022 \u2014 Kh\u1ea3 n\u0103ng ch\u1ed1ng ph\u00f3ng \u0111i\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 \u0103n m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n<\/a> \u2014 \u1ee6y ban K\u1ef9 thu\u1eadt \u0110i\u1ec7n Qu\u1ed1c t\u1ebf<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ul.com\/services\/comparative-tracking-index-cti-iec-60112\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">IEC 60112 \u2014 Ch\u1ec9 s\u1ed1 theo d\u00f5i so s\u00e1nh (CTI)<\/a> \u2014 Gi\u1ea3i ph\u00e1p UL<\/li>\n\n\n\n<li><a href=\"https:\/\/www.shopulstandards.com\/ProductDetail.aspx?UniqueKey=36573\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Ti\u00eau chu\u1ea9n UL 746B \u2014 V\u1eadt li\u1ec7u polyme, \u0110\u00e1nh gi\u00e1 t\u00ednh ch\u1ea5t d\u00e0i h\u1ea1n (RTI)<\/a> \u2014 Ti\u00eau chu\u1ea9n v\u00e0 cam k\u1ebft c\u1ee7a UL<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/aluminum-hydroxide\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Nh\u00f4m trihydrat (ATH) \/ Nh\u00f4m hydroxit \u2014 C\u01a1 ch\u1ebf ch\u1ed1ng ch\u00e1y<\/a> \u2014 C\u00e1c ch\u1ee7 \u0111\u1ec1 tr\u00ean ScienceDirect<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Most specs treat silicone as &#8220;an insulator&#8221; \u2014 one word, one property, picked off a chart. The part passes the factory hipot test. It ships. For the first year it does exactly what the datasheet promised. Then a high-voltage termination in a coastal substation starts tracking. A busbar boot that passed dielectric testing develops a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16373,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1013],"tags":[],"class_list":["post-9538","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\/9538","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=9538"}],"version-history":[{"count":3,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/9538\/revisions"}],"predecessor-version":[{"id":18991,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/9538\/revisions\/18991"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media\/16373"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media?parent=9538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/categories?post=9538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/tags?post=9538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}