{"id":7405,"date":"2025-08-19T17:45:40","date_gmt":"2025-08-19T09:45:40","guid":{"rendered":"https:\/\/rilong-mold.com\/?p=7405"},"modified":"2026-07-27T11:09:20","modified_gmt":"2026-07-27T03:09:20","slug":"beyond-solid-silicone-how-lsr-double-injection-are-redefining-precision-manufacturing","status":"publish","type":"post","link":"https:\/\/rilong-mold.com\/de\/beyond-solid-silicone-how-lsr-double-injection-are-redefining-precision-manufacturing\/","title":{"rendered":"Beyond Solid Silicone: How LSR &amp; Double Injection Are Redefining Precision Manufacturing"},"content":{"rendered":"\n<p class=\"rilong-seo-summary wp-block-paragraph\"><strong>LSR double injection molding:<\/strong> This article explains the key design, material, process, quality, and production considerations that engineers and sourcing teams should evaluate.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"liquid-silicone-rubber-custom-component-solutions\">Liquid Silicone Rubber Custom Component Solutions<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>What is LSR Molding?<\/strong><\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Liquid Silicone Rubber (LSR) injection molding is a process where&nbsp;<strong>liquid A &amp; B components<\/strong>&nbsp;are precisely mixed, injected into a mold, and thermally cured to create high-performance silicone parts. Unlike traditional rubber, LSR offers:<br>\u2714&nbsp;<strong>Ultra-low shrinkage<\/strong>&nbsp;(\u223c0.1%)<br>\u2714&nbsp;<strong>Exceptional durability<\/strong>&nbsp;(heat, chemical &amp; UV resistant)<br>\u2714&nbsp;<strong>Medical &amp; food-grade safety<\/strong>&nbsp;(FDA, LFGB compliant)<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/video.rilong-mold.com\/wp-content\/uploads\/2025\/blog\/Liquid_Silicone_Rubber_Molding.mp4\"><\/video><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>LSR Double Injection: The Next-Level Advantage<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Combine LSR with thermoplastics or other materials via&nbsp;<strong>two-shot molding<\/strong>&nbsp;for:<br>\u2714&nbsp;<strong>Seamless bonding<\/strong>&nbsp;\u2013 No adhesives needed, just ultra-strong, leak-proof assemblies<br>\u2714&nbsp;<strong>Multi-material flexibility<\/strong>&nbsp;\u2013 Soft-touch grips + rigid structures in a single cycle<br>\u2714&nbsp;<strong>Cost-efficient production<\/strong>&nbsp;\u2013 Reduced assembly steps, higher consistency<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Expanding LSR Applications Across Industries<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"medical-healthcare\"><strong>\ud83c\udfe5 Medical &amp; Healthcare<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022&nbsp;<strong>Surgical Tools<\/strong>: Blood-contact devices with autoclave resistance<br>\u2022&nbsp;<strong>Wearable Health Tech<\/strong>: Skin-adhesive ECG electrodes<br>\u2022&nbsp;<strong>Pharma Delivery<\/strong>: Self-sealing vial stoppers<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"automotive-ev\"><strong>\ud83d\ude97 Automotive &amp; EV<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022&nbsp;<strong>Battery Thermal Pads<\/strong>: Flame-retardant insulation<br>\u2022&nbsp;<strong>Sensor Seals<\/strong>: Autonomous vehicle LiDAR protection<br>\u2022&nbsp;<strong>Overmolded Connectors<\/strong>: IP68-rated charging ports<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"electronics-5g\"><strong>\ud83d\udd0c Electronics &amp; 5G<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022&nbsp;<strong>5G Base Station Gaskets<\/strong>: Weatherproof RF enclosures<br>\u2022&nbsp;<strong>Tactile Keypads<\/strong>: Million-cycle lifespan<br>\u2022&nbsp;<strong>Underfill Encapsulation<\/strong>: Chip shock absorption<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"industrial-energy\"><strong>\ud83c\udfed Industrial &amp; Energy<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022&nbsp;<strong>Solar Panel Edge Seals<\/strong>: UV-resistant bonding<br>\u2022&nbsp;<strong>Hydraulic Seals<\/strong>: -40\u00b0C cold-flex performance<br>\u2022&nbsp;<strong>Robotic Grippers<\/strong>: Food-grade compliant<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"consumer-goods\"><strong>\ud83d\uded2 Consumer Goods<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022&nbsp;<strong>Smartwatch Bands<\/strong>: Hypoallergenic comfort<br>\u2022&nbsp;<strong>Air Fryer Gaskets<\/strong>: 250\u00b0C oil resistance<br>\u2022&nbsp;<strong>VR Face Interfaces<\/strong>: Sweat-proof cushioning<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"1221\" src=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u8bbe\u8ba1\u7c7b\u4f3c\u8fd9\u6837\u7684\u6d77\u62a5.jpg\" alt=\"\" class=\"wp-image-7411\" srcset=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u8bbe\u8ba1\u7c7b\u4f3c\u8fd9\u6837\u7684\u6d77\u62a5.jpg 750w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u8bbe\u8ba1\u7c7b\u4f3c\u8fd9\u6837\u7684\u6d77\u62a5-184x300.jpg 184w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u8bbe\u8ba1\u7c7b\u4f3c\u8fd9\u6837\u7684\u6d77\u62a5-629x1024.jpg 629w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u8bbe\u8ba1\u7c7b\u4f3c\u8fd9\u6837\u7684\u6d77\u62a5-7x12.jpg 7w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>&nbsp;LSR Molding  Technology<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39&nbsp;<strong>Standard LSR Injection<\/strong>&nbsp;\u2013 Seals, gaskets, soft-touch components<br>\ud83d\udd39&nbsp;<strong>Special LSR Formulations<\/strong>&nbsp;\u2013 High-temp, electrically conductive, or optically clear silicones<br>\ud83d\udd39&nbsp;<strong>Overmolding:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>LSR + Plastic<\/strong>&nbsp;\u2013 Enhanced grip &amp; sealing (e.g., toothbrush handles)<\/li>\n\n\n\n<li><strong>LSR + Metal<\/strong>&nbsp;\u2013 Vibration-damping, airtight assemblies (e.g., sensor housings)<\/li>\n\n\n\n<li><strong>LSR + Glass<\/strong>&nbsp;\u2013 Medical &amp; optical applications (e.g., lenses, lab equipment)<\/li>\n\n\n\n<li><strong>LSR + Electronics<\/strong>&nbsp;\u2013 Waterproofing &amp; shock absorption (e.g., wearables, connectors)<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"540\" src=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/liquid.jpg\" alt=\"\" class=\"wp-image-7410\" srcset=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/liquid.jpg 960w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/liquid-300x169.jpg 300w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/liquid-768x432.jpg 768w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/liquid-18x10.jpg 18w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1196\" height=\"672\" src=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/rubber-mold-201.jpg\" alt=\"\" class=\"wp-image-7408\" srcset=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/rubber-mold-201.jpg 1196w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/rubber-mold-201-300x169.jpg 300w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/rubber-mold-201-1024x575.jpg 1024w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/rubber-mold-201-768x432.jpg 768w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/rubber-mold-201-18x10.jpg 18w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/rubber-mold-201-1000x562.jpg 1000w\" sizes=\"auto, (max-width: 1196px) 100vw, 1196px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Our Quality Process<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">RiLong provides the exceptionally high-quality processes&nbsp;required for <span style=\"color: #222222;background-color: #f34957\" class=\"stk-highlight\">healthcare &amp;medical device and Automation products.   <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RiLong is I<strong>SO 9001, ISO14001,  ISO 13485, and IATF 16949<\/strong> certified, and we boast one of the lowest defect rates in our industry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1307\" height=\"761\" src=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/2.png\" alt=\"\" class=\"wp-image-7401\" srcset=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/2.png 1307w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/2-300x175.png 300w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/2-1024x596.png 1024w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/2-768x447.png 768w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/2-18x10.png 18w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/2-1000x582.png 1000w\" sizes=\"auto, (max-width: 1307px) 100vw, 1307px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"why-choose-rilong-for-lsr-molding\"><strong>Why Choose RiLong for LSR Molding?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714&nbsp;<strong>Advanced equipment<\/strong>&nbsp;\u2013 Horizontal, vertical, and two-shot molding options<br>\u2714&nbsp;<strong>Material expertise<\/strong>&nbsp;\u2013 Custom LSR formulations for medical, automotive &amp; consumer use<br>\u2714&nbsp;<strong>Precision &amp; repeatability<\/strong>&nbsp;\u2013 Automated mixing, injection, and curing control<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Unlock the potential of LSR for your next project!<\/strong><br>\ud83d\udce9 [Contact RiLong at www.rilong-mold.com, sales1@rilong-mold.com for a Custom Solution]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">#LSR #LiquidSiliconeRubber #InjectionMolding #Overmolding #MedTech #PrecisionManufacturing<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" src=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471.png\" alt=\"\" class=\"wp-image-7409\" srcset=\"https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471.png 1920w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471-300x169.png 300w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471-1024x576.png 1024w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471-768x432.png 768w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471-1536x864.png 1536w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471-18x10.png 18w, https:\/\/rilong-mold.com\/wp-content\/uploads\/2025\/08\/\u56fe\u72471-1000x563.png 1000w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p class=\"rilong-related-capability wp-block-paragraph\"><strong>Related capability:<\/strong> Explore Rilong\u2019s <a href=\"\/lsr-and-rubber-product\/\">silicone and rubber molding capabilities<\/a>, or send your drawing and production requirements for a technical review.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LSR double injection molding: This article explains the key design, material, process, quality, and production considerations that engineers and sourcing teams should evaluate. Liquid Silicone Rubber Custom Component Solutions What is LSR Molding? Liquid Silicone Rubber (LSR) injection molding is a process where&nbsp;liquid A &amp; B components&nbsp;are precisely mixed, injected into a mold, and thermally [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":7406,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","kk_blocks_editor_width":"","_kiokenblocks_attr":"","_kiokenblocks_dimensions":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-7405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/posts\/7405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/comments?post=7405"}],"version-history":[{"count":3,"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/posts\/7405\/revisions"}],"predecessor-version":[{"id":8080,"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/posts\/7405\/revisions\/8080"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/media\/7406"}],"wp:attachment":[{"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/media?parent=7405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/categories?post=7405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rilong-mold.com\/de\/wp-json\/wp\/v2\/tags?post=7405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}