{"id":7338,"date":"2026-10-24T18:28:55","date_gmt":"2026-10-24T17:28:55","guid":{"rendered":"https:\/\/uplastech.com\/vmq-silicone-rubber\/"},"modified":"2026-10-25T04:35:18","modified_gmt":"2026-10-25T04:35:18","slug":"vmq-silicone-rubber","status":"publish","type":"page","link":"https:\/\/uplastech.com\/es\/vmq-silicone-rubber\/","title":{"rendered":"Custom Silicone Rubber (VMQ) Moulding"},"content":{"rendered":"<style>\n.upl-page{font-size:17px;line-height:1.78;color:#1f2937}\n.upl-page p{margin:0 0 18px}\n.upl-page h1{font-size:38px;line-height:1.16;letter-spacing:-.025em;color:#0b2b33;margin:0 0 18px;font-weight:800}\n.upl-page h2{font-size:26px;line-height:1.3;color:#0b2b33;margin:48px 0 14px;font-weight:700;letter-spacing:-.015em}\n.upl-page h3{font-size:19px;color:#0d3b47;margin:26px 0 10px;font-weight:700}\n.upl-page ul,.upl-page ol{margin:0 0 20px;padding-left:22px}\n.upl-page li{margin:0 0 9px}\n.upl-page .lead{font-size:19px;line-height:1.65;color:#4b5563;margin:0 0 36px}\n.upl-page a{color:#0d6b7d}\n.upl-page strong{color:#0b2b33}\n.upl-page .sec-note{font-size:13px;color:#6b7280;margin:-4px 0 26px}\n.upl-page .stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:0 0 20px}\n.upl-page .stat{background:#f7fafb;border:1px solid #e3ebee;border-left:3px solid #14707f;border-radius:8px;padding:16px 20px}\n.upl-page .stat b{display:block;font-size:24px;line-height:1.2;color:#0b2b33;letter-spacing:-.02em;margin-bottom:4px}\n.upl-page .stat span{font-size:12.5px;color:#6b7280;letter-spacing:.04em;text-transform:uppercase;font-weight:600}\n.upl-page .prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px;margin:0 0 16px}\n.upl-page .prod{background:#fff;border:1px solid #e6ebed;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;scroll-margin-top:96px}\n.upl-page .prod img{width:100%;height:198px;object-fit:cover;display:block;background:#f2f5f6}\n.upl-page .prod .txt{padding:17px 20px 21px;flex:1}\n.upl-page .prod h3{margin:0 0 8px;font-size:17.5px;line-height:1.35;color:#0b2b33}\n.upl-page .prod p{margin:0;font-size:14.5px;color:#5b666b;line-height:1.62}\n.upl-page table{width:100%;border-collapse:collapse;font-size:14.5px;margin:0 0 10px}\n.upl-page th{background:#0d3b47;color:#fff;text-align:left;padding:11px 13px;font-weight:600;font-size:13.5px;border:0}\n.upl-page td{padding:11px 13px;border:0;border-bottom:1px solid #e8ebed;vertical-align:top}\n.upl-page tbody tr:nth-child(even){background:#fafbfc}\n.upl-page .tablecap{font-size:12.5px;color:#6b7280;margin:0 0 30px}\n.upl-page .callout{background:#f2f8f9;border-radius:8px;padding:18px 22px;margin:0 0 26px;font-size:15.5px;border-left:3px solid #14707f}\n.upl-page .faq h3{border-top:1px solid #eceff1;padding-top:22px;margin-top:0;font-size:18px}\n.upl-page .faq h3:first-of-type{border-top:0;padding-top:0}\n.upl-page .cta{background:linear-gradient(135deg,#0b2b33,#0d5563);color:#fff;border-radius:12px;padding:36px;margin:52px 0 20px}\n.upl-page .cta h2{color:#fff;margin:0 0 10px;font-size:25px}\n.upl-page .cta p{color:#c9dee3;margin:0 0 22px;font-size:16px}\n.upl-page .btn{display:inline-block;background:#e07a1f;color:#fff;text-decoration:none;font-weight:700;padding:13px 26px;border-radius:8px;font-size:15.5px}\n@media(max-width:640px){.upl-page h1{font-size:28px}.upl-page h2{font-size:22px}.upl-page .prod img{height:180px}.upl-page table{font-size:13px}}\n<\/style>\n<div class=\"upl-page\">\n<p class=\"lead\">Silicone rubber holds the widest temperature range of any commercial elastomer \u2014 flexible at -60 \u00b0C, stable at 200 \u00b0C, and briefly usable to 250 \u00b0C. It is also the most biocompatible, which is why it dominates medical tubing, seals and wearables. We mould it three ways: liquid silicone rubber injection for high-volume precision parts, compression moulding for thick or low-volume sections, and extrusion for profiles and tubing.<\/p>\n<p>  <img decoding=\"async\" src=\"https:\/\/uplastech.com\/wp-content\/uploads\/2026\/10\/silicone-rubber-parts.jpg\" alt=\"Custom Silicone Rubber (VMQ) Moulding \u2014 Medical tubing, seals and septa\" style=\"width:100%;border-radius:12px;margin:0 0 30px\"><\/p>\n<div class=\"stats\">\n<div class=\"stat\"><b>20 \u2013 90 Shore A<\/b><span>Hardness range<\/span><\/div>\n<div class=\"stat\"><b>-60 to +200 \u00b0C<\/b><span>Service temperature<\/span><\/div>\n<div class=\"stat\"><b>4 \u2013 10 MPa<\/b><span>Tensile strength<\/span><\/div>\n<\/p><\/div>\n<p class=\"sec-note\">Typical values for standard moulding grades. Exact figures depend on the specific compound or grade \u2014 confirm against your drawing before quoting.<\/p>\n<h2>Key properties<\/h2>\n<table>\n<thead>\n<tr>\n<th>Propiedad<\/th>\n<th>Typical value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hardness range<\/td>\n<td>20 \u2013 90 Shore A<\/td>\n<\/tr>\n<tr>\n<td>Service temperature<\/td>\n<td>-60 to +200 \u00b0C (+250 \u00b0C short term)<\/td>\n<\/tr>\n<tr>\n<td>Tensile strength<\/td>\n<td>4 \u2013 10 MPa<\/td>\n<\/tr>\n<tr>\n<td>Elongation at break<\/td>\n<td>200 \u2013 600 %<\/td>\n<\/tr>\n<tr>\n<td>Compression set (22 h \/ 175 \u00b0C)<\/td>\n<td>15 \u2013 30 %<\/td>\n<\/tr>\n<tr>\n<td>Dielectric strength<\/td>\n<td>20 \u2013 30 kV\/mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablecap\">Values are typical for unfilled moulding grades at 23 \u00b0C unless stated. Glass-filled and specialty grades differ.<\/p>\n<h2>Typical applications<\/h2>\n<ul>\n<li>Medical tubing, seals and septa<\/li>\n<li>Keypads and tactile buttons<\/li>\n<li>Food-contact bakeware and utensils<\/li>\n<li>Automotive connector seals and grommets<\/li>\n<li>Wearable bands and cosmetic applicators<\/li>\n<\/ul>\n<h2>Processing notes<\/h2>\n<ul>\n<li>Platinum-cured grades are the default for medical and food contact. Peroxide-cured material is cheaper but leaves residues that fail biocompatibility testing.<\/li>\n<li>LSR injection suits parts under about 50 g at volume \u2014 it is fully automated and needs no post-cure. HCR compression moulding is the right call for thick sections and low quantities.<\/li>\n<li>Silicone tears easily at sharp edges. Specify a minimum radius of 0.5 mm on sealing lips and demoulding edges.<\/li>\n<li>Post-curing at 200 \u00b0C for 2 \u2013 4 h removes volatiles and reduces compression set. Skipping it shows up as fogging in enclosed assemblies.<\/li>\n<\/ul>\n<div class=\"callout\">\n    <strong>Tooling, not just material.<\/strong> Every material above behaves differently in the tool \u2014 shrinkage, gate position, cooling and ejection all change. We review the DFM against the specific grade before the tool is cut, so the first shot is a sample, not a surprise.\n  <\/div>\n<div class=\"faq\">\n<h2>Frequently asked questions<\/h2>\n<h3>What is the difference between LSR and HCR?<\/h3>\n<p>LSR is a two-part liquid metered and injected automatically \u2014 precise, clean, ideal for small high-volume parts. HCR is a gum stock that is milled, cut and compression or transfer moulded \u2014 better for large parts, thick sections and short runs. We run both in-house.<\/p>\n<h3>Can silicone be bonded to plastic or metal?<\/h3>\n<p>Yes, with primer-assisted bonding or mechanical interlock. For medical assemblies we prefer mechanical retention because adhesive joints are hard to validate.<\/p>\n<\/p><\/div>\n<h2>Related materials<\/h2>\n<ul class=\"related\">\n<li><a href=\"\/es\/fvmq-fluorosilicone-rubber\/\">FVMQ Fluorosilicone Rubber Moulding<\/a><\/li>\n<li><a href=\"\/es\/fkm-fluorocarbon-rubber\/\">FKM Fluorocarbon Rubber Moulding<\/a><\/li>\n<li><a href=\"\/es\/ffkm-perfluoroelastomer\/\">FFKM Perfluoroelastomer Moulding<\/a><\/li>\n<li><a href=\"\/es\/epdm-rubber-molding\/\">EPDM Rubber Moulding<\/a><\/li>\n<li><a href=\"\/es\/nbr-nitrile-rubber\/\">NBR Nitrile Rubber Moulding<\/a><\/li>\n<li><a href=\"\/es\/hnbr-hydrogenated-nitrile-rubber\/\">HNBR Hydrogenated Nitrile Rubber Moulding<\/a><\/li>\n<\/ul>\n<p><a href=\"\/es\/silicone-rubber\/\">\u2190 All Silicone &amp; Rubber Solutions<\/a><\/p>\n<div class=\"cta\">\n<h2>Send us your Silicone Rubber (VMQ) drawing<\/h2>\n<p>Upload a 3D model or a 2D drawing and we will come back with a DFM review, a tooling cost and a piece price \u2014 usually within two working days.<\/p>\n<p>    <a class=\"btn\" href=\"\/es\/pongase-en-contacto-con\/\">Request a quote<\/a>\n  <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Silicone rubber holds the widest temperature range of any commercial elastomer \u2014 flexible at -60 \u00b0C, stable at 200 \u00b0C, and briefly usable to 250 \u00b0C. It is also the most biocompatible, which is why it dominates medical tubing, seals and wearables. We mould it three ways: liquid silicone rubber injection for high-volume precision parts, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_titles_title":"Custom Silicone Rubber (VMQ) Moulding | Uplastech","_seopress_titles_desc":"Custom VMQ silicone rubber parts from 20 to 90 Shore A. 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