{"id":46,"date":"2026-08-15T11:11:58","date_gmt":"2026-08-15T11:11:58","guid":{"rendered":"https:\/\/www.siliconetumbleraccessories.com\/product\/custom-food-grade-silicone-gasket-for-tumbler-lids-and-bottle-caps\/"},"modified":"2026-08-15T11:12:02","modified_gmt":"2026-08-15T11:12:02","slug":"custom-food-grade-silicone-gasket-for-tumbler-lids-and-bottle-caps","status":"publish","type":"product","link":"https:\/\/www.siliconetumbleraccessories.com\/ru\/product\/custom-food-grade-silicone-gasket-for-tumbler-lids-and-bottle-caps\/","title":{"rendered":"Custom Food-Grade Silicone Gasket for Tumbler Lids and Bottle Caps"},"content":{"rendered":"<p>A tumbler lid can look simple from the outside while relying on a precisely compressed gasket to keep the closure tight. This custom silicone gasket is intended for lid grooves, bottle-cap interfaces and removable sealing positions where elastic recovery and dimensional consistency matter.<\/p>\n<p>For drinkware programs, the gasket should be designed together with the groove rather than treated as a generic O-ring. Cross-section, compression, hardness and mating-surface geometry determine how easily the lid closes and how consistently it seals after repeated opening, washing and reassembly.<\/p>\n<h2>Seal Geometry for Reusable Drinkware<\/h2>\n<ul>\n<li>O-ring, square-ring and custom gasket profiles can be produced to match the lid groove.<\/li>\n<li>Source material options include food-, medical- and industrial-grade silicone rubber.<\/li>\n<li>Hardness is listed as customizable from 20A to 80A, allowing the compression feel to be tuned to the closure design.<\/li>\n<li>The original specification lists a -40\u00b0C to 200\u00b0C temperature range for the silicone material.<\/li>\n<li>Compression or injection molding can be selected according to geometry and production requirements.<\/li>\n<\/ul>\n<h2>Source-Based Technical Options<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Material<\/th>\n<td>Silicone Rubber (Food \/ Medical \/ Industrial Grade)<\/td>\n<\/tr>\n<tr>\n<th>Hardness Range<\/th>\n<td>20A \u2013 80A (customizable)<\/td>\n<\/tr>\n<tr>\n<th>Temperature Range<\/th>\n<td>-40\u00b0C to 200\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Color<\/th>\n<td>Transparent \/ Black \/ Custom Colors<\/td>\n<\/tr>\n<tr>\n<th>Shape<\/th>\n<td>O-ring, square ring, custom gasket<\/td>\n<\/tr>\n<tr>\n<th>Process<\/th>\n<td>Compression \/ Injection Molding<\/td>\n<\/tr>\n<tr>\n<th>Certification<\/th>\n<td>FDA \/ LFGB \/ ISO 10993 (optional)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Typical Tumbler Applications<\/h2>\n<ul>\n<li>Insulated tumbler lids<\/li>\n<li>Vacuum bottle caps<\/li>\n<li>Travel mug closures<\/li>\n<li>Reusable water bottle lids<\/li>\n<li>Custom drinkware sealing systems<\/li>\n<\/ul>\n<h2>What to Define Before Tooling<\/h2>\n<p>For a reliable quotation and mold review, the silicone part should be specified together with the mating lid or cup geometry. The most useful project inputs are:<\/p>\n<ul>\n<li>Inside and outside diameter<\/li>\n<li>Cross-section shape and thickness<\/li>\n<li>Target compression in the lid groove<\/li>\n<li>Hardness and color<\/li>\n<li>Food-contact compliance requirement for the destination market<\/li>\n<\/ul>\n<h2>RFQ and Sample Review<\/h2>\n<p>If you already have a lid drawing or an existing gasket sample, send the assembled dimensions as well as the seal groove details. We can use those inputs to review moldability and define a sample-confirmation plan before volume production.<\/p>","protected":false},"excerpt":{"rendered":"<p>Custom-molded silicone sealing rings for tumbler lids, bottle caps and reusable drinkware. Choose O-ring, square-ring or application-specific profiles with configurable hardness, color and dimensions.<\/p>","protected":false},"featured_media":45,"template":"","meta":[],"product_brand":[],"product_cat":[20],"product_tag":[41,37,38,35,40,36,39],"class_list":{"0":"post-46","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-silicone-sealing-rings-gaskets","7":"product_tag-bottle-cap-seal","8":"product_tag-custom-silicone-parts","9":"product_tag-oem-drinkware-components","10":"product_tag-silicone-gasket-for-tumbler-lids","11":"product_tag-silicone-sealing-ring","12":"product_tag-tumbler-accessories","13":"product_tag-tumbler-lid-gasket","15":"first","16":"instock","17":"shipping-taxable","18":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/product\/46","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/media\/45"}],"wp:attachment":[{"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/media?parent=46"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/product_brand?post=46"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/product_cat?post=46"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.siliconetumbleraccessories.com\/ru\/wp-json\/wp\/v2\/product_tag?post=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}