{"id":162462,"date":"2021-02-04T08:34:01","date_gmt":"2021-02-04T08:34:01","guid":{"rendered":"http:\/\/facfox.com\/docs\/?post_type=kb&#038;p=162462"},"modified":"2021-02-04T08:34:01","modified_gmt":"2021-02-04T08:34:01","slug":"liquid-silicone-rubber-molding","status":"publish","type":"kb","link":"https:\/\/facfox.com\/docs\/kb\/liquid-silicone-rubber-molding","title":{"rendered":"Liquid Silicone Rubber Molding"},"content":{"rendered":"<p>Our liquid silicone rubber molding process produces custom prototypes and end-use production parts in 15 days or less. We use aluminum molds that offer cost-efficient tooling and accelerated manufacturing cycles, and stock various grades and durometers of LSR materials.<\/p>\n<h2 class=\"large-body-copy\">How Does Liquid Silicone Rubber Molding Work?<\/h2>\n<p>LSR molding differs slightly from thermoplastic injection molding due to its flexibility. Like a standard aluminum tool, an LSR molding tool is fabricated using CNC machining to create a high-temperature tool built to withstand the LSR molding process. After milling, the tool is polished by hand to customer specifications, which allows six standard surface finish options.<\/p>\n<figure id=\"attachment_162463\" aria-describedby=\"caption-attachment-162463\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-162463\" src=\"https:\/\/facfox.com\/docs\/wp-content\/uploads\/2021\/02\/liquid-silicone-rubber-illustration-900-x-600.png\" alt=\"\" width=\"900\" height=\"600\" \/><figcaption id=\"caption-attachment-162463\" class=\"wp-caption-text\">From left to right, the components of a silicone rubber injection molding press include: ram (1), screw (2), silicone rubber part A (3), silicone rubber part B (4), mixer (5), barrel (6), chilled silicone rubber (7), nozzle (8), heated mold (9), and thermoset part (10)<\/figcaption><\/figure>\n<p>From there, the finished tool is loaded into an advanced LSR-specific injection molding press that is precision geared for accurate control of shot size to produce the most consistent LSR parts. At Protolabs, LSR parts are manually removed from the mold, as injector pins can impact part quality. LSR materials include standard silicones and specific grades to fit various part applications and industries like medical, automotive, and lighting. Since LSR is a thermosetting polymer, its molded state is permanent\u2014once it is set, it can\u2019t be melted again like a thermoplastic. When the run is complete, parts (or the initial sample run) are boxed and shipped shortly thereafter.<\/p>\n<h2 class=\"title\">Common Applications<\/h2>\n<div class=\"bullets\">\n<ul>\n<li>low-volume production<\/li>\n<li>bridge tooling<\/li>\n<li>pilot runs<\/li>\n<li>functional prototyping<\/li>\n<\/ul>\n<h3 class=\"large-body-copy\"><a title=\"Design Considerations for Liquid Silicone Rubber\" href=\"https:\/\/facfox.com\/docs\/kb\/design-considerations-for-liquid-silicone-rubber\" data-udi=\"umb:\/\/document\/aad43120d92845288c909879bdc96c8a\">Designing Silicone Rubber Parts<\/a><\/h3>\n<p>Click in and learn how to design parts for the liquid silicone rubber molding process, including maximum feature thickness, surface finish options, and more.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Our liquid silicone rubber molding process produces custom prototypes and end-use production parts in 15 days or less. We use aluminum molds that offer cost-efficient tooling and accelerated manufacturing cycles, and stock various grades and durometers of LSR materials. How Does Liquid Silicone Rubber Molding Work? LSR molding differs slightly from thermoplastic injection molding due [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":162463,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"kbtopic":[45],"kbtag":[371,224,140,355],"class_list":["post-162462","kb","type-kb","status-publish","has-post-thumbnail","hentry","kbtopic-tech","kbtag-lsr","kbtag-molding","kbtag-principle","kbtag-silicone-rubber"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Liquid Silicone Rubber Molding - FacFox Docs<\/title>\n<meta name=\"description\" content=\"Our liquid silicone rubber molding process produces custom prototypes and end-use production parts in 15 days or less. We use aluminum molds that offer\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/facfox.com\/docs\/kb\/liquid-silicone-rubber-molding\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Liquid Silicone Rubber Molding\" \/>\n<meta property=\"og:description\" content=\"Our liquid silicone rubber molding process produces custom prototypes and end-use production parts in 15 days or less. 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