{"id":27321,"date":"2025-11-10T18:23:18","date_gmt":"2025-11-10T10:23:18","guid":{"rendered":"https:\/\/xjysilicone.com\/?p=27321"},"modified":"2025-11-10T18:23:34","modified_gmt":"2025-11-10T10:23:34","slug":"why-choose-sealing-headlights-with-silicone","status":"publish","type":"post","link":"https:\/\/www.xjysilicone.com\/fr\/why-choose-silicone-sealants-for-headlight-adhesive.html","title":{"rendered":"Pourquoi sceller les phares avec du silicone"},"content":{"rendered":"<div class=\"blog-posts single-post\" style=\"border-bottom: 2px solid #00999a;\" uia-uid=\"0|1\">\n<article class=\"post post-large blog-single-post border-0 m-0 p-0\">\n<div class=\"post-content ml-0\">\n<p style=\"text-align:justify\"><span style=\"color:#000000;\"><span style=\"font-size:10.5pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:normal\"><font face=\"Open Sans\">Les phares automobiles, composants essentiels des v\u00e9hicules, jouent un r\u00f4le vital dans l'\u00e9clairage nocturne, les signaux de conduite, la pr\u00e9vention des collisions par temps de brouillard et l'indication des virages, servant de protections indispensables \u00e0 la conduite en toute s\u00e9curit\u00e9. Lors de la fabrication des phares, un mastic est requis pour sceller la lentille de r\u00e9partition de la lumi\u00e8re au bo\u00eetier du phare, combler les interstices et isoler les faisceaux de c\u00e2bles. Alors pourquoi choisir un mastic de silicone ?<\/font><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align:justify\"><span style=\"color:#000000;\"><span style=\"font-size:10.5pt\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><font face=\"Open Sans\">Les adh\u00e9sifs thermofusibles classiques utilis\u00e9s pour l'\u00e9tanch\u00e9it\u00e9 des phares entra\u00eenent souvent des probl\u00e8mes comme des fuites d'eau, des fissures de la couche adh\u00e9sive, une faible force d'adh\u00e9rence et un voilement, compromettant la s\u00e9curit\u00e9 routi\u00e8re. Les mastics de silicone sont en revanche largement adopt\u00e9s pour l'\u00e9tanch\u00e9it\u00e9 des phares en raison de leur structure mol\u00e9culaire unique, de leur fort pouvoir adh\u00e9sif, de leur exceptionnelle r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es et basses, de leur remarquable r\u00e9sistance aux intemp\u00e9ries, de leurs excellentes propri\u00e9t\u00e9s hydrophobes, de leur sup\u00e9riorit\u00e9 en mati\u00e8re de performances \u00e9lectriques et de leur r\u00e9sistance chimique.<\/font><\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Dans cet article, nous aborderons les points suivants :<\/font><\/font><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"color:#000000;\"><span style=\"font-size:10.5pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:normal\"><font face=\"Open Sans\">Quels sont les facteurs affectant le mastic pour phares<\/font><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"color:#000000;\"><span style=\"font-size:10.5pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:normal\"><font face=\"Open Sans\">Pourquoi choisir des mastics de silicone<\/font><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<h2 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"1_What_are_the_factors_affecting_headlight_sealant\"><\/span><span style=\"font-size:28px;\"><span style=\"color:#000000;\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">1.<\/span><\/span><\/b><\/span><\/span><\/span><\/span><span style=\"font-size:28px;\"><span style=\"color:#000000;\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\"> Quels sont les facteurs affectant le mastic pour phares<\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"11_Heat_factor\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">1.1 Facteur thermique<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Dans l'application de collage des phares, le premier mastic \u00e0 \u00eatre soumis \u00e0 la chaleur \u00e9mise par l'ampoule doit garantir dans un environnement \u00e0 haute temp\u00e9rature que ses propri\u00e9t\u00e9s adh\u00e9sives et d'\u00e9tanch\u00e9it\u00e9 ne se modifient pas plusieurs jours plus tard, tout en ne lib\u00e9rant pas de gaz organiques, en \u00e9vitant le ph\u00e9nom\u00e8ne de voilement et en ne jaunissant pas, ce qui affecterait l'ap<\/span><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">pareil. Les mastics de silicone r\u00e9pondent \u00e0 ces exigences.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/15.7%281%29.jpg\"><img decoding=\"async\" src=\"\/media\/145\/15.6%281%29.jpg\"><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\">&nbsp;<\/p>\n<h3 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"12_Ultraviolet_factor\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">1.2 <\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><a id=\"1.3\" name=\"1.3\"><\/a><\/span><\/span><\/span><\/span><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">Facteur ultraviolet<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Secondly, when the headlight sealant\u2019s surface is subject to ultraviolet irradiation of sunlight, will not occur in the adhesive layer of cracking and other aging phenomena, which requires the headlight sealant needs to <\/span><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">avoir une bonne r\u00e9sistance au vieillissement UV.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/15.5.png\"><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\">&nbsp;<\/p>\n<h3 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"13_Moisture\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">1.3 Humidit\u00e9<a id=\"2\" name=\"2\"><\/a><\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px;\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><a id=\"2.1\" name=\"2.1\"><\/a>Enfin, le scellant de phare sera expos\u00e9 \u00e0 l'humidit\u00e9 et \u00e0 l'\u00e9rosion des eaux pluviales pendant une longue p\u00e9riode, garantissant que ses performances d'\u00e9tanch\u00e9it\u00e9 ne seront pas affect\u00e9es par les conditions m\u00e9t\u00e9orologiques humides.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/15.8.png\" style=\"height: 260px; width: 263px;\"><img decoding=\"async\" src=\"\/media\/145\/15.10%281%29.jpg\" style=\"height: 260px; width: 260px;\"><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\">&nbsp;<\/p>\n<h2 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"2_Why_choose_silicone_sealants\"><\/span><span style=\"font-size:28px;\"><span style=\"color:#000000;\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">2. Pourquoi choisir les scellants en silicone<\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"21_Good_adhesion\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">2.1 Bonne adh\u00e9rence<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">La plupart des mat\u00e9riaux utilis\u00e9s dans la production des feux de v\u00e9hicules sont des plastiques. Les mat\u00e9riaux de production du bo\u00eetier de phare sont l'ABS, le PC, le PP, etc.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Les mat\u00e9riaux de production du miroir de distribution lumineuse sont pass\u00e9s du verre traditionnel au mat\u00e9riau PC largement utilis\u00e9. Les bonnes propri\u00e9t\u00e9s adh\u00e9sives des scellants en silicone garantissent que le phare est parfaitement \u00e9tanche et emp\u00eachent son d\u00e9tachement. Si l'adh\u00e9rence <\/span><\/span><\/span><\/span><\/span><\/span><span style=\"font-size:28px;\"><span style=\"color:#000000;\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\"><a id=\"2.2\" name=\"2.2\"><\/a><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">n'est pas bonne, le phare est susceptible de pr\u00e9senter des fuites et d'autres situations probl\u00e9matiques, ce qui r\u00e9duira consid\u00e9rablement sa dur\u00e9e de vie. Il est donc pr\u00e9f\u00e9rable de choisir des scellants en silicone dot\u00e9s d'une bonne adh\u00e9sion.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/15.12%281%29.png\"><img decoding=\"async\" src=\"\/media\/145\/15.15%281%29.jpg\"><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\">&nbsp;<\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">The following table for the silicone sealant on several common materials used in automotive headlights adhesive performance testing shows the good adhesion of silicone sealants.\u00a0(<\/span><\/span><\/span><a href=\"https:\/\/www.xjysilicone.com\/fr\/hydrogen-mq-resin.html\/\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">XJY-8207\u00a0S\/M<\/span><\/span><\/span><\/b>&nbsp;<b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">R\u00e9sine d'hydrog\u00e8ne MQ<\/span><\/span><\/span><\/b><\/a><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">&nbsp;peut \u00eatre utilis\u00e9 comme agent collant dans un scellant en silicone.)<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><span style=\"color:#000000;\"><img decoding=\"async\" src=\"\/media\/145\/%E8%A1%A82.png\"><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Silicone <\/span><\/span><\/span><span style=\"font-size:12.0000pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:normal\"><font face=\"Open Sans\">s<\/font><\/span><\/span><\/span><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Performance adh\u00e9sive du scellant sur plusieurs mat\u00e9riaux courants utilis\u00e9s dans les feux automobiles<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\">&nbsp;<\/p>\n<h3 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"22_High-temperature_resistance\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">2.2 R\u00e9sistance aux hautes temp\u00e9ratures<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Au cours d'une longue p\u00e9riode d'utilisation, le phare maintiendra toujours une temp\u00e9rature \u00e9lev\u00e9e, et cette chaleur sera transf\u00e9r\u00e9e au scellant de phare, d\u00e9gradant son adh\u00e9sion et entra\u00eenant une d\u00e9faillance de l'\u00e9tanch\u00e9it\u00e9. Les conditions d'utilisation difficiles exigent des scellants en silicone avec une excellente r\u00e9sistance aux hautes temp\u00e9ratures.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Le tableau suivant pr\u00e9sente la r\u00e9sistance \u00e0 la traction, l'allongement et la r\u00e9sistance au cisaillement des \u00e9prouvettes de scellant en silicone apr\u00e8s maintien et cuisson \u00e0 150 \u2103 pendant 24h.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/%E8%A1%A81.png\"><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><a id=\"2.3\" name=\"2.3\"><\/a>As shown in the table above, the tensile strength and shear strength of the silicone sealant did not change significantly after baking at a high temperature of 150\u2103 for 24 hours. Under high-temperature conditions, silicone sealant will not lose its adhesive and elasticity, and can still play a very good waterproof function.\u00a0 If you have higher performance requirements for your next project, the two-component silicone sealants have excellent weather resistance, and UV resistance, and will not dissolve and decompose. Applicable to outdoor environments, and high-temperature environments.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\"><br \/><img decoding=\"async\" src=\"\/media\/145\/15.4_1.png\" style=\"width: 259px; height: 260px;\"><img decoding=\"async\" src=\"\/media\/145\/15.16%281%29.jpg\"><\/p>\n<h4 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><a href=\"https:\/\/www.xjysilicone.com\/fr\/methyl-vinyl-mq-silicone-resin-+-vinyl-silicone-oil.html\/\"><span style=\"font-size:12pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">R\u00e9sine de silicone m\u00e9thyle VMQ XJY-8206N&nbsp;<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/a><\/h4>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Le XJY-8206N est une r\u00e9sine liquide incolore et transparente, compos\u00e9e de r\u00e9sine MQ vinyle et d'huile de silicone vinyle, utilisable pour fabriquer un adh\u00e9sif additif bicomposant et du caoutchouc de silicone liquide LSR additif, etc. Ses propri\u00e9t\u00e9s de durcissement, de durabilit\u00e9 et de r\u00e9sistance aux UV conviennent \u00e0 divers environnements \u00e0 haute temp\u00e9rature et peuvent r\u00e9pondre \u00e0 vos besoins en produits de qualit\u00e9 sup\u00e9rieure.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\">&nbsp;<\/p>\n<h3 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"23_Resistant_to_high_and_low-temperature_cycles\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">2.3 R\u00e9sistance aux cycles thermiques (hautes et basses temp\u00e9ratures)<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Pour tester la r\u00e9sistance aux hautes et basses temp\u00e9ratures des scellants en silicone, les conditions exp\u00e9rimentales sont plus s\u00e9v\u00e8res que l'environnement r\u00e9el, ce qui acc\u00e9l\u00e8re <a id=\"2.4\" name=\"2.4\"><\/a>le vieillissement du gel. La plage de temp\u00e9rature du test de cyclage thermique est de -40 \u2103 \u00e0 85 \u2103, avec des pr\u00e9l\u00e8vements apr\u00e8s 300h et 1000h.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Un cycle consiste \u00e0 chauffer \u00e0 85 \u2103, maintenir 20h, puis refroidir \u00e0 -40 \u2103 et maintenir 10h. Les scellants en silicone apr\u00e8s 300h de cyclage thermique ne pr\u00e9sentent ni fissure, ni d\u00e9laminage partiel, ni endommagement de l'adh\u00e9rence lors du test de flexion, d\u00e9montrant une excellente flexibilit\u00e9 \u00e0 basse temp\u00e9rature. Apr\u00e8s 1000 heures de cyclage, l'apparence du scellant en silicone ne montre ni fissure, ni d\u00e9laminage, ni autre ph\u00e9nom\u00e8ne.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">Ainsi, gr\u00e2ce \u00e0 son excellente r\u00e9sistance aux temp\u00e9ratures extr\u00eames, le scellant en silicone appliqu\u00e9 sur le phare garantit son bon fonctionnement dans des r\u00e9gions \u00e0 faibles temp\u00e9ratures rigoureuses comme les d\u00e9serts, les fleuves, la Sib\u00e9rie, l'Europe du Nord et autres zones de haute latitude.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/%E5%9B%BE%E7%89%871_1.png\"><img decoding=\"async\" src=\"\/media\/145\/%E5%9B%BE%E7%89%872_1.png\"><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">L'image de gauche montre le test de flexion apr\u00e8s 300h de cyclage thermique ; l'image de droite montre l'apparence apr\u00e8s 1000h de cyclage thermique.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\">&nbsp;<\/p>\n<h3 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"24_UV_Aging_Resistance\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">2.4 R\u00e9sistance au vieillissement UV<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\">To ensure that the service life of the headlights can be extended, the headlight silicone sealants need to have excellent UV aging resistance. Silicone sealant chemical molecular structure of the main chain is composed of all the Si-O-Si bonds, that is, irradiated to the surface of the earth\u2019s highest energy ultraviolet rays are not enough to destroy the main chain of silicone structure, to ensure that it is highly resistant to UV. This performance is verified by the corresponding UV resistance test. After 2000h of UV aging test, the appearance of the silicone sealant has no obvious changes.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/15.11%281%29.jpg\"><img decoding=\"async\" src=\"\/media\/145\/15.18.jpg\" style=\"height: 260px; width: 258px;\"><br \/>&nbsp;<\/p>\n<h3 style=\"margin-top:7px; margin-bottom:7px; text-align:left\"><span class=\"ez-toc-section\" id=\"Other_industrial_purposes_of_silicone_sealants\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:13.5pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">Autres applications industrielles<\/span><\/span><\/span><\/b><strong><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">des scellants en silicone<\/span><\/span><\/span><\/strong><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Le scellant en silicone peut \u00e9galement \u00eatre utilis\u00e9 pour coller le m\u00e9tal, le verre, le b\u00e9ton, la c\u00e9ramique ou le plastique, afin de sceller les interstices, les fissures et divers joints. Gr\u00e2ce \u00e0 ses performances exceptionnelles dans des environnements extr\u00eames, il peut \u00eatre appliqu\u00e9 dans de nombreux domaines tels que les \u00e9quipements \u00e9lectroniques, les projets de construction, les mastics en silicone, etc.<\/font><\/font><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/%E8%A1%A51%281%29_1.jpg\"><img decoding=\"async\" src=\"\/media\/145\/%E8%A1%A52%281%29.png\"><br \/>&nbsp;<\/p>\n<h2 style=\"margin-top:17px; margin-bottom:17px; text-align:justify\"><span class=\"ez-toc-section\" id=\"XJY%E7%A1%85%E8%83%B6%E2%80%94%E2%80%94%E8%BD%A6%E7%81%AF%E8%83%B6%E7%A1%85%E9%85%AE%E5%AF%86%E5%B0%81%E8%83%B6%E7%9A%84%E9%A6%96%E9%80%89%E5%8E%9F%E6%96%99\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:28px;\"><span style=\"line-height:172%\"><span style=\"font-family:Arial\"><b><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><font face=\"Open Sans\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">XJY Silicone - L'ingr\u00e9dient de choix pour le mastic de silicone pour phares de voiture<\/font><\/font><\/font><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"p\" style=\"text-align:left; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:10.5pt\"><span style=\"font-family:&quot;Times New Roman&quot;\"><a href=\"https:\/\/www.xjysilicone.com\/fr\/\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">XJY Silicones est un leader en Chine<\/font><\/font><\/span><\/span><\/span><\/a><\/span><\/span><font dir=\"auto\" style=\"vertical-align: inherit;\"><a href=\"https:\/\/www.xjysilicone.com\/fr\/resin-series.html\/\"><span style=\"font-size:10.5pt\"><span style=\"font-family:&quot;Times New Roman&quot;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\">\u6709\u673a\u7845MQ\u6811\u8102<\/font><\/span><\/span><\/span><\/span><\/span><\/a><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\">\u548c&nbsp;<\/font><\/span><\/span><\/span><\/span><\/span><\/span><a href=\"https:\/\/www.xjysilicone.com\/fr\/vmq.html\/\"><span style=\"font-size:10.5pt\"><span style=\"font-family:&quot;Times New Roman&quot;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\">\u6709\u673a\u7845MQ\u6811\u8102\u5236\u9020\u5546<\/font><\/span><\/span><\/span><\/span><\/span><\/a><\/font><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><span style=\"color:#000000;\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">\u4e4b\u4e00&nbsp;<\/font><\/font><\/span><\/span><\/span><\/span><\/span><\/span><font dir=\"auto\" style=\"vertical-align: inherit;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\">, poss\u00e9dant plus de 30 ans d'exp\u00e9rience en R&amp;D et fabrication dans l'industrie des silicones ainsi que plus de 15 brevets connexes, et peut \u00e9galement personnaliser les scellants en silicone selon vos sp\u00e9cifications.&nbsp;<\/font><\/span><\/span><\/span><\/span><\/span><\/span><a href=\"https:\/\/www.xjysilicone.com\/fr\/rtv-rubber.html\/\"><span style=\"font-size:10.5pt\"><span style=\"font-family:&quot;Times New Roman&quot;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\">\u5927\u706f\u7c98\u5408\u5242<\/font><\/span><\/span><\/span><\/span><\/span><\/a><a href=\"https:\/\/www.xjysilicone.com\/fr\/rtv-rubber.html\/\"><span style=\"font-size:10.5pt\"><span style=\"font-family:&quot;Times New Roman&quot;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:normal\"><font face=\"Open Sans\"><font dir=\"auto\" style=\"vertical-align: inherit;\">\u7684<\/font><\/font><\/span><\/span><\/span><\/span><\/span><\/a><a href=\"https:\/\/www.xjysilicone.com\/fr\/rtv-rubber.html\/\"><span style=\"font-size:10.5pt\"><span style=\"font-family:&quot;Times New Roman&quot;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\">\u7ecf\u6d4e\u9ad8\u6548\u7684\u539f\u6750\u6599\u4ea7\u54c1<\/font><\/span><\/span><\/span><\/span><\/span><\/a><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000;\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:normal\"><font dir=\"auto\" style=\"vertical-align: inherit;\">&nbsp;\u3002<\/font><\/span><\/span><\/span><\/span><\/span><\/span><\/font><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\">&nbsp;<\/span><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><a href=\"https:\/\/www.xjysilicone.com\/fr\/vmq.html\/\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:'Open Sans'\"><span style=\"font-weight:bold\"><span style=\"color:#000000;\">&nbsp;<\/span><\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><a href=\"https:\/\/www.xjysilicone.com\/fr\/gallery.html\/\"><img decoding=\"async\" src=\"\/media\/145\/XJY%20SILICONES.jpg\" style=\"height: 393px; width: 700px;\"><\/a><br \/>&nbsp;<\/p>\n<\/p><\/div>\n<\/article><\/div>","protected":false},"excerpt":{"rendered":"<p>Les phares automobiles, en tant que composants essentiels des v\u00e9hicules, jouent un r\u00f4le crucial dans l'\u00e9clairage nocturne, les signaux de conduite, la pr\u00e9vention des collisions par temps de brouillard et l'indication des virages, constituant des dispositifs de s\u00e9curit\u00e9 indispensables pour une conduite s\u00fbre. Lors de la production des phares, un produit d'\u00e9tanch\u00e9it\u00e9 est n\u00e9cessaire pour sceller la lentille de distribution lumineuse au bo\u00eetier du phare, combler les interstices et isoler les faisceaux de c\u00e2blage. Mais pourquoi...<\/p>","protected":false},"author":12,"featured_media":27322,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[617],"tags":[],"class_list":["post-27321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lsr"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/posts\/27321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/comments?post=27321"}],"version-history":[{"count":0,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/posts\/27321\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/media\/27322"}],"wp:attachment":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/media?parent=27321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/categories?post=27321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/tags?post=27321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}