{"id":9250,"date":"2026-07-13T18:33:47","date_gmt":"2026-07-13T10:33:47","guid":{"rendered":"https:\/\/rysilicone.com\/?p=9250"},"modified":"2026-07-16T18:34:21","modified_gmt":"2026-07-16T10:34:21","slug":"room-temperature-vulcanizing-silicone","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/vi\/room-temperature-vulcanizing-silicone\/","title":{"rendered":"Silicone RTV (l\u01b0u h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng) l\u00e0 g\u00ec?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn silicone RTV qua tu\u00fdp keo d\u00e1n b\u00e1n \u1edf c\u1eeda h\u00e0ng v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng \u2014 \u0111i\u1ec1u n\u00e0y che gi\u1ea5u s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc b\u00ean trong. Ch\u1ecdn sai lo\u1ea1i silicone RTV c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u00f9i gi\u1ea5m l\u00e0m \u0103n m\u00f2n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, khu\u00f4n kh\u00f4ng bao gi\u1edd kh\u00f4 ho\u00e0n to\u00e0n ho\u1eb7c m\u1ed1i d\u00e1n kh\u00f4ng d\u00ednh ch\u1eafc. Nh\u00e3n \u201csilicone RTV\u201d bao g\u1ed3m nhi\u1ec1u h\u1ec7 th\u1ed1ng r\u1ea5t kh\u00e1c nhau, v\u00e0 lo\u1ea1i ph\u00f9 h\u1ee3p ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o t\u1eebng c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RTV (<a href=\"https:\/\/www.britannica.com\/science\/silicone-rubber\" target=\"_blank\" rel=\"noopener\">l\u01b0u h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/a>Silicone l\u00e0 m\u1ed9t lo\u1ea1i silicone \u0111\u00f4ng c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng m\u00e0 kh\u00f4ng c\u1ea7n gia nhi\u1ec7t th\u00eam \u2014 ho\u1eb7c l\u00e0 h\u1ec7 m\u1ed9t th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed, ho\u1eb7c l\u00e0 h\u1ec7 hai th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi ch\u1ea5t x\u00fac t\u00e1c thi\u1ebfc (ng\u01b0ng t\u1ee5) ho\u1eb7c b\u1ea1ch kim (c\u1ed9ng h\u1ee3p) \u2014 t\u1ea1o th\u00e0nh m\u1ed9t lo\u1ea1i cao su d\u1ebbo.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0: c\u00e1ch keo RTV kh\u00f4, s\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi keo HTV v\u00e0 LSR, \u01b0u \u0111i\u1ec3m c\u1ee7a n\u00f3 v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn lo\u1ea1i keo ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch silicone RTV \u0111\u00f4ng c\u1ee9ng: RTV-1 so v\u1edbi RTV-2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RTV \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m d\u1ef1a tr\u00ean c\u00e1ch \u0111\u00f3ng g\u00f3i v\u00e0 k\u00edch ho\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u1ed9t ph\u1ea7n (RTV-1)<\/strong> \u0110\u00e2y l\u00e0 lo\u1ea1i silicone \u0433\u043e\u0442\u043e\u0432\u044b\u0439 s\u1eed d\u1ee5ng, \u0111\u00f4ng c\u1ee9ng trong m\u1ed9t b\u01b0\u1edbc duy nh\u1ea5t khi h\u01a1i \u1ea9m trong kh\u00f4ng kh\u00ed ph\u1ea3n \u1ee9ng v\u1edbi n\u00f3, \u0111\u00f4ng c\u1ee9ng t\u1eeb b\u1ec1 m\u1eb7t v\u00e0o b\u00ean trong. S\u1ea3n ph\u1ea9m ph\u1ee5 m\u00e0 n\u00f3 gi\u1ea3i ph\u00f3ng s\u1ebd x\u00e1c \u0111\u1ecbnh lo\u1ea1i silicone n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acetoxy<\/strong> \u2014 nhanh v\u00e0 b\u00e1m d\u00ednh m\u1ea1nh, nh\u01b0ng d\u1ec5 th\u00e1o r\u1eddi <a href=\"https:\/\/en.wikipedia.org\/wiki\/RTV_silicone\" target=\"_blank\" rel=\"noopener\">axit axetic<\/a> (m\u00f9i &quot;gi\u1ea5m&quot;) v\u00e0 c\u00f3 th\u1ec3 \u0103n m\u00f2n kim lo\u1ea1i v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n\n\n\n<li><strong>Oxime v\u00e0 alkoxy (\u0111\u00f3ng r\u1eafn trung t\u00ednh)<\/strong> \u2014 T\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ch\u1eadm h\u01a1n, \u00edt m\u00f9i v\u00e0 kh\u00f4ng \u0103n m\u00f2n; th\u00edch h\u1ee3p s\u1eed d\u1ee5ng tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t nh\u1ea1y c\u1ea3m v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n<\/ul>\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\/07\/03-acetoxy-neutral-rtv-comparison-1024x576.jpg\" alt=\"03-acetoxy-neutral-rtv-comparison\" class=\"wp-image-17345\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/03-acetoxy-neutral-rtv-comparison-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/03-acetoxy-neutral-rtv-comparison-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/03-acetoxy-neutral-rtv-comparison-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/03-acetoxy-neutral-rtv-comparison-1536x864.jpg 1536w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/03-acetoxy-neutral-rtv-comparison-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/03-acetoxy-neutral-rtv-comparison-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/03-acetoxy-neutral-rtv-comparison.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec keo RTV-1 \u0111\u00f4ng c\u1ee9ng t\u1eeb ngo\u00e0i v\u00e0o trong, n\u00ean n\u00f3 b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp keo \u2014 m\u1ed9t l\u1edbp keo d\u00e0y c\u00f3 th\u1ec3 v\u1eabn ch\u01b0a \u0111\u00f4ng c\u1ee9ng \u1edf gi\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hai ph\u1ea7n (RTV-2)<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i silicone \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng ch\u1ea5t n\u1ec1n v\u00e0 ch\u1ea5t x\u00fac t\u00e1c ri\u00eang bi\u1ec7t, khi tr\u1ed9n l\u1eabn hai th\u00e0nh ph\u1ea7n n\u00e0y s\u1ebd \u0111\u00f4ng c\u1ee9ng \u0111\u1ed3ng \u0111\u1ec1u ho\u00e0n to\u00e0n, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o kh\u00f4ng kh\u00ed. S\u1ea3n ph\u1ea9m c\u00f3 nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau. <a href=\"https:\/\/chemiedidaktik.uni-wuppertal.de\/fileadmin\/Chemie\/chemiedidaktik\/disido\/en\/info\/m_fact\/crossmod.htm\" target=\"_blank\" rel=\"noopener\">hai ch\u1ea5t h\u00f3a h\u1ecdc<\/a>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0143749624001106\" target=\"_blank\" rel=\"noopener\"><strong>Qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn b\u1eb1ng ng\u01b0ng t\u1ee5 (thi\u1ebfc)<\/strong><\/a> \u2014 B\u1ec1n b\u1ec9 v\u00e0 ti\u1ebft ki\u1ec7m, l\u00e0 v\u1eadt li\u1ec7u ch\u1ee7 l\u1ef1c \u0111\u1ec3 l\u00e0m khu\u00f4n, nh\u01b0ng n\u00f3 th\u1ea3i ra m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u1ed3n v\u00e0 b\u1ecb co l\u1ea1i m\u1ed9t ch\u00fat.<\/li>\n\n\n\n<li><a href=\"https:\/\/rysilicone.com\/vi\/platinum-vulcanization\/\"><strong>Ph\u01b0\u01a1ng ph\u00e1p ch\u1eefa tr\u1ecb b\u1ed5 sung (b\u1ea1ch kim)<\/strong><\/a> \u2014 kh\u00f4ng c\u00f3 s\u1ea3n ph\u1ea9m ph\u1ee5, h\u1ea7u nh\u01b0 kh\u00f4ng b\u1ecb co ng\u00f3t, v\u00e0 \u0111\u1ea1t ti\u00eau chu\u1ea9n th\u1ef1c ph\u1ea9m v\u00e0 y t\u1ebf, nh\u01b0ng nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 nhi\u1ec5m b\u1ea9n c\u00f3 th\u1ec3 \u1ee9c ch\u1ebf qu\u00e1 tr\u00ecnh ch\u1eefa tr\u1ecb.<\/li>\n<\/ul>\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\/07\/02-rtv1-rtv2-cure-mechanism-1024x576.jpg\" alt=\"\" class=\"wp-image-17344\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/02-rtv1-rtv2-cure-mechanism-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/02-rtv1-rtv2-cure-mechanism-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/02-rtv1-rtv2-cure-mechanism-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/02-rtv1-rtv2-cure-mechanism-1536x864.jpg 1536w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/02-rtv1-rtv2-cure-mechanism-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/02-rtv1-rtv2-cure-mechanism-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/02-rtv1-rtv2-cure-mechanism.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">RTV, HTV v\u00e0 LSR: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i gi\u1ea5y t\u1edd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RTV l\u00e0 th\u00e0nh vi\u00ean \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng c\u1ee7a h\u1ecd silicone \u2014 c\u00e1c th\u00e0nh vi\u00ean kh\u00e1c trong h\u1ecd c\u1ee7a n\u00f3. <a href=\"https:\/\/rysilicone.com\/vi\/high-temperature-vulcanizing-silicone-rubber\/\">HTV<\/a> V\u00e0 <a href=\"https:\/\/rysilicone.com\/vi\/liquid-silicone-rubber\/\">LSR<\/a> C\u1ea3 hai \u0111\u1ec1u c\u1ea7n nhi\u1ec7t \u0111\u1ec3 \u0111\u00f4ng c\u1ee9ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>H\u00ecnh th\u1ee9c<\/th><th>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1eefa tr\u1ecb t\u1ea1i<\/th><th>S\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng<\/th><\/tr><\/thead><tbody><tr><td>RTV<\/td><td>Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/td><td>Ni\u00eam phong, k\u1ebft d\u00ednh, \u0111\u00f3ng g\u00f3i, l\u00e0m khu\u00f4n<\/td><\/tr><tr><td>HTV (HCR)<\/td><td>Nhi\u1ec7t \u0111\u1ed9, kho\u1ea3ng 150\u2013200\u00b0C<\/td><td>C\u00e1c c\u1ea5u h\u00ecnh \u0111\u00f9n, c\u00e1p, c\u00e1c b\u1ed9 ph\u1eadn c\u01b0\u1eddng \u0111\u1ed9 cao<\/td><\/tr><tr><td>LSR<\/td><td>Gia nhi\u1ec7t, \u00e9p phun<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn \u0111\u00fac khu\u00f4n ch\u00ednh x\u00e1c, s\u1ea3n xu\u1ea5t v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t, ch\u00fang t\u00f4i <a href=\"https:\/\/rysilicone.com\/vi\/lsr-vs-htv\/\">LSR so v\u1edbi HTV<\/a> H\u01b0\u1edbng d\u1eabn n\u00e0y so s\u00e1nh hai th\u1ee9 \u0111\u00f3 c\u1ea1nh nhau.<\/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\/07\/04-rtv-htv-lsr-comparison-1024x576.jpg\" alt=\"\" class=\"wp-image-17346\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/04-rtv-htv-lsr-comparison-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/04-rtv-htv-lsr-comparison-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/04-rtv-htv-lsr-comparison-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/04-rtv-htv-lsr-comparison-1536x864.jpg 1536w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/04-rtv-htv-lsr-comparison-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/04-rtv-htv-lsr-comparison-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/04-rtv-htv-lsr-comparison.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh c\u1ee7a silicone RTV<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u00f4ng c\u1ea7n nhi\u1ec7t hay d\u1ee5ng c\u1ee5 n\u00e0o c\u1ea3.<\/strong>: C\u00f3 th\u1ec3 \u0111\u00f4ng c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u1edbi thi\u1ebft b\u1ecb t\u1ed1i thi\u1ec3u.<\/li>\n\n\n\n<li><strong>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ph\u1ee5c v\u1ee5 r\u1ed9ng<\/strong>Nhi\u1ec7t \u0111\u1ed9 dao \u0111\u1ed9ng t\u1eeb kho\u1ea3ng -60\u00b0C \u0111\u1ebfn +200\u00b0C sau khi \u0111\u00f3ng r\u1eafn.<\/li>\n\n\n\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, tia c\u1ef1c t\u00edm v\u00e0 ozone<\/strong>: Gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ngo\u00e0i tr\u1eddi trong nhi\u1ec1u n\u0103m.<\/li>\n\n\n\n<li><strong>C\u00e1ch \u0111i\u1ec7n<\/strong>T\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i ph\u00f9 h\u1ee3p cho vi\u1ec7c \u0111\u1ed5 khu\u00f4n v\u00e0 \u0111\u00f3ng g\u00f3i.<\/li>\n\n\n\n<li><strong>T\u00ednh linh ho\u1ea1t v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i<\/strong>H\u1ea5p th\u1ee5 chuy\u1ec3n \u0111\u1ed9ng v\u00e0 rung \u0111\u1ed9ng m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t.<\/li>\n<\/ul>\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\/07\/06-rtv-temperature-cure-depth-1024x576.jpg\" alt=\"\" class=\"wp-image-17348\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/06-rtv-temperature-cure-depth-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/06-rtv-temperature-cure-depth-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/06-rtv-temperature-cure-depth-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/06-rtv-temperature-cure-depth-1536x864.jpg 1536w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/06-rtv-temperature-cure-depth-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/06-rtv-temperature-cure-depth-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/06-rtv-temperature-cure-depth.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng silicone RTV<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ea5t b\u1ecbt k\u00edn<\/strong>C\u00e1c m\u1ed1i n\u1ed1i x\u00e2y d\u1ef1ng, k\u00ednh, thi\u1ebft b\u1ecb v\u1ec7 sinh v\u00e0 ch\u1ed1ng th\u1ea5m.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t k\u1ebft d\u00ednh<\/strong>D\u00f9ng \u0111\u1ec3 k\u1ebft d\u00ednh th\u1ee7y tinh, kim lo\u1ea1i v\u00e0 nh\u1ef1a, th\u01b0\u1eddng c\u1ea7n th\u00eam l\u1edbp s\u01a1n l\u00f3t.<\/li>\n\n\n\n<li><strong>Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed<\/strong>: v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, bao b\u1ecdc v\u00e0 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 (lo\u1ea1i \u0111\u00f3ng r\u1eafn trung t\u00ednh).<\/li>\n\n\n\n<li><strong>L\u00e0m khu\u00f4n<\/strong>: Ch\u1ea5t k\u1ebft d\u00ednh thi\u1ebfc ng\u01b0ng t\u1ee5 RTV-2 d\u00f9ng \u0111\u1ec3 \u0111\u00fac nh\u1ef1a, s\u00e1p, th\u1ea1ch cao v\u00e0 b\u00ea t\u00f4ng.<\/li>\n\n\n\n<li><strong>V\u00f2ng \u0111\u1ec7m<\/strong>Gio\u0103ng \u0111\u1ecbnh h\u00ecnh t\u1ea1i ch\u1ed7 (FIPG) trong l\u1eafp r\u00e1p \u00f4 t\u00f4 v\u00e0 thi\u1ebft b\u1ecb.<\/li>\n\n\n\n<li><strong>L\u1edbp ph\u1ee7 c\u00e1ch \u0111i\u1ec7n cao \u00e1p<\/strong>L\u1edbp ph\u1ee7 RTV kh\u00f4i ph\u1ee5c kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc cho b\u1ec1 m\u1eb7t g\u1ed1m s\u1ee9 v\u00e0 k\u00ednh ngo\u00e0i tr\u1eddi. <a href=\"https:\/\/standards.ieee.org\/ieee\/1523\/7103\/\" target=\"_blank\" rel=\"noopener\">v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n<\/a>.<\/li>\n<\/ul>\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\/07\/05-rtv-sealing-mold-insulator-1024x576.jpg\" alt=\"\" class=\"wp-image-17347\" srcset=\"https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/05-rtv-sealing-mold-insulator-1024x576.jpg 1024w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/05-rtv-sealing-mold-insulator-300x169.jpg 300w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/05-rtv-sealing-mold-insulator-768x432.jpg 768w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/05-rtv-sealing-mold-insulator-1536x864.jpg 1536w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/05-rtv-sealing-mold-insulator-18x10.jpg 18w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/05-rtv-sealing-mold-insulator-600x338.jpg 600w, https:\/\/rysilicone.com\/wp-content\/uploads\/2024\/07\/05-rtv-sealing-mold-insulator.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng \u0111i\u1ec1u c\u1ea7n ki\u1ec3m tra khi l\u1ef1a ch\u1ecdn RTV<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u1ed9t ph\u1ea7n ho\u1eb7c hai ph\u1ea7n<\/strong>: RTV-1 ti\u1ec7n d\u1ee5ng v\u00e0 t\u1ea1o c\u00e1c \u0111\u01b0\u1eddng keo m\u1ecfng; RTV-2 th\u00edch h\u1ee3p cho vi\u1ec7c l\u00e0m c\u1ee9ng to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t v\u00e0 th\u1ec3 t\u00edch l\u1edbn h\u01a1n.<\/li>\n\n\n\n<li><strong>Ch\u1eefa tr\u1ecb h\u00f3a h\u1ecdc<\/strong>: Acetoxy ph\u1ea3n \u1ee9ng nhanh nh\u01b0ng \u0103n m\u00f2n \u2014 n\u00ean s\u1eed d\u1ee5ng ch\u1ea5t trung t\u00ednh (oxime\/alkoxy) tr\u00ean kim lo\u1ea1i v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n\n\n\n<li><strong>Thi\u1ebfc so v\u1edbi b\u1ea1ch kim (RTV-2)<\/strong>B\u1ea1ch kim d\u00f9ng cho \u0111\u1ed9 co ng\u00f3t th\u1ea5p, th\u1ef1c ph\u1ea9m v\u00e0 y t\u1ebf; thi\u1ebfc d\u00f9ng \u0111\u1ec3 l\u00e0m khu\u00f4n m\u1eabu ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y m\u1eb7t c\u1eaft<\/strong>Keo RTV-1 \u0111\u00f3ng r\u1eafn b\u1eb1ng h\u01a1i \u1ea9m kh\u00f4ng th\u1ec3 \u0111\u00f3ng r\u1eafn c\u00e1c ph\u1ea7n d\u00e0y \u2014 h\u00e3y chuy\u1ec3n sang d\u00f9ng RTV-2.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t n\u1ec1n v\u00e0 ch\u1ea5t l\u00f3t<\/strong>B\u1ec1 m\u1eb7t s\u1ea1ch, kh\u00f4 v\u00e0 l\u1edbp s\u01a1n l\u00f3t ph\u00f9 h\u1ee3p s\u1ebd quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a s\u01a1n.<\/li>\n\n\n\n<li><strong>th\u1eddi gian s\u1eed d\u1ee5ng v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u00f3ng r\u1eafn<\/strong>RTV-1 t\u1ea1o l\u1edbp m\u00e0ng tr\u00ean b\u1ec1 m\u1eb7t trong v\u00e0i ph\u00fat nh\u01b0ng \u0111\u00f4ng c\u1ee9ng s\u00e2u ch\u1eadm (kho\u1ea3ng 2-3 mm m\u1ed7i ng\u00e0y); th\u1eddi gian s\u1eed d\u1ee5ng v\u00e0 th\u1eddi gian \u0111\u00f4ng c\u1ee9ng c\u1ee7a RTV-2 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng qua n\u1ed3ng \u0111\u1ed9 ch\u1ea5t x\u00fac t\u00e1c.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 c\u1ee9ng v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd<\/strong>Ch\u1ecdn lo\u1ea1i th\u00e9p c\u00f3 \u0111\u1ed9 c\u1ee9ng Shore A, \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c \u2014 lo\u1ea1i m\u1ec1m h\u01a1n d\u00f9ng cho khu\u00f4n m\u1ec1m d\u1ebbo, lo\u1ea1i c\u1ee9ng h\u01a1n d\u00f9ng cho c\u00e1c lo\u1ea1i gio\u0103ng k\u00edn k\u1ebft c\u1ea5u.<\/li>\n\n\n\n<li><strong>Ch\u1ee9ng nh\u1eadn<\/strong>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m ho\u1eb7c y t\u1ebf, c\u1ea7n ch\u1ec9 \u0111\u1ecbnh RTV-2 \u0111\u00f3ng r\u1eafn b\u1eb1ng b\u1ea1ch kim c\u00f3 ch\u1ee9ng nh\u1eadn FDA ho\u1eb7c ISO 10993 t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1784197868850\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">RTV l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb g\u00ec?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>RTV l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a room temperature vulcanizing \u2014 silicone \u0111\u00f4ng c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng m\u00e0 kh\u00f4ng c\u1ea7n gia nhi\u1ec7t.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1784197877583\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">RTV-1 v\u00e0 RTV-2 kh\u00e1c nhau \u1edf \u0111i\u1ec3m n\u00e0o?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>RTV-1 l\u00e0 lo\u1ea1i m\u1ed9t th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u00f4ng c\u1ee9ng nh\u1edd \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed; RTV-2 l\u00e0 lo\u1ea1i hai th\u00e0nh ph\u1ea7n, \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi ch\u1ea5t x\u00fac t\u00e1c, v\u00e0 \u0111\u00f4ng c\u1ee9ng ho\u00e0n to\u00e0n b\u1ea5t k\u1ec3 c\u00f3 ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed hay kh\u00f4ng.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1784197885314\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">T\u1ea1i sao m\u1ed9t s\u1ed1 lo\u1ea1i keo silicone RTV l\u1ea1i c\u00f3 m\u00f9i gi\u1ea5m?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u0110\u00f3 l\u00e0 keo d\u00e1n RTV-1 \u0111\u00f3ng r\u1eafn b\u1eb1ng axetoxy, gi\u1ea3i ph\u00f3ng axit axetic trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn. C\u00e1c lo\u1ea1i \u0111\u00f3ng r\u1eafn trung t\u00ednh (oxime ho\u1eb7c alkoxy) tr\u00e1nh \u0111\u01b0\u1ee3c m\u00f9i kh\u00f3 ch\u1ecbu v\u00e0 s\u1ebd kh\u00f4ng \u0103n m\u00f2n kim lo\u1ea1i ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1784197893757\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Keo silicone RTV c\u00f3 c\u1ea7n nhi\u1ec7t \u0111\u1ec3 \u0111\u00f4ng c\u1ee9ng kh\u00f4ng?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Kh\u00f4ng. N\u00f3 \u0111\u00f4ng c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng; kh\u00f4ng c\u1ea7n nhi\u1ec7t, m\u1eb7c d\u00f9 h\u01a1i \u1ea5m v\u00e0 \u0111\u1ed9 \u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh \u0111\u00f4ng c\u1ee9ng \u0111\u1ed1i v\u1edbi lo\u1ea1i \u0111\u00f4ng c\u1ee9ng b\u1eb1ng \u0111\u1ed9 \u1ea9m.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch RTV ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh \u0111\u00f3ng r\u1eafn silicone n\u00f3i chung, h\u00e3y xem <a href=\"https:\/\/rysilicone.com\/vi\/what-is-silicone-vulcanization\/\">Qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a silicon l\u00e0 g\u00ec?<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ng\u01b0\u1eddi gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.britannica.com\/science\/silicone-rubber\" target=\"_blank\" rel=\"noopener\">Cao su silicon<\/a> \u2014 B\u00e1ch khoa to\u00e0n th\u01b0 Britannica, c\u00e1c d\u1ea1ng RTV v\u00e0 HTV.<\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/RTV_silicone\" target=\"_blank\" rel=\"noopener\">silicone RTV<\/a> \u2014 T\u1ed5ng quan v\u1ec1 qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn b\u1eb1ng axetoxy v\u00e0 s\u1ef1 \u0103n m\u00f2n do axit axetic.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0143749624001106\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng quan v\u1ec1 h\u00f3a h\u1ecdc c\u1ee7a ch\u1ea5t tr\u00e1m k\u00edn v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh silicone \u0111\u00f3ng r\u1eafn b\u1eb1ng ng\u01b0ng t\u1ee5.<\/a> \u2014 B\u00e0i \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t (ch\u1ea5t x\u00fac t\u00e1c thi\u1ebfc\/titan).<\/li>\n\n\n\n<li><a href=\"https:\/\/chemiedidaktik.uni-wuppertal.de\/fileadmin\/Chemie\/chemiedidaktik\/disido\/en\/info\/m_fact\/crossmod.htm\" target=\"_blank\" rel=\"noopener\">Li\u00ean k\u1ebft ch\u00e9o v\u00e0 bi\u1ebfn \u0111\u1ed5i silicon<\/a> \u2014 \u0110\u1ea1i h\u1ecdc Wuppertal, nghi\u00ean c\u1ee9u v\u1ec1 ph\u1ea3n \u1ee9ng c\u1ed9ng, ph\u1ea3n \u1ee9ng ng\u01b0ng t\u1ee5 v\u00e0 ph\u1ea3n \u1ee9ng \u0111\u00f3ng r\u1eafn b\u1eb1ng peroxide.<\/li>\n\n\n\n<li><a href=\"https:\/\/standards.ieee.org\/ieee\/1523\/7103\/\" target=\"_blank\" rel=\"noopener\">IEEE 1523-2018 \u2014 L\u1edbp ph\u1ee7 cao su silicon RTV cho s\u1ee9 c\u00e1ch \u0111i\u1ec7n ngo\u00e0i tr\u1eddi<\/a> \u2014 Hi\u1ec7p h\u1ed9i Ti\u00eau chu\u1ea9n IEEE.<\/li>\n\n\n\n<li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6680893\/\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng h\u1ee3p v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a cao su silicon l\u01b0u h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/a> \u2014 Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t, Th\u01b0 vi\u1ec7n Y khoa Qu\u1ed1c gia Hoa K\u1ef3 (PMC).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Most people meet RTV silicone as a tube of sealant from the hardware store \u2014 which hides how much the chemistry underneath actually varies. Pick the wrong RTV type and you get a vinegar smell corroding electronics, a mold that never fully cures, or a seal that won&#8217;t stick. The label &#8220;RTV silicone&#8221; covers several [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17343,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[246],"tags":[],"class_list":["post-9250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/9250","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=9250"}],"version-history":[{"count":1,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/9250\/revisions"}],"predecessor-version":[{"id":17352,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/9250\/revisions\/17352"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media\/17343"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media?parent=9250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/categories?post=9250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/tags?post=9250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}