{"product_id":"100-self-sealing-butyl-rubber-injection-ports-for-13mm-jars","title":"100 Self-Sealing Butyl Rubber Injection Ports for 13mm Jars","description":"\u003cp\u003eKeep your liquid culture jars, grain masters, and substrate containers perfectly sealed with these \u003cstrong\u003eSelf-Sealing Butyl Rubber Injection Ports\u003c\/strong\u003e. Designed to snap securely into any 13mm (½ inch) opening, each stopper forms an airtight barrier and self-heals after every needle insertion — no tape, no mess, no contamination risk. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Healing Design:\u003c\/strong\u003e The butyl rubber seals itself after each needle pass, maintaining a reliable, contamination-free environment between inoculations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Butyl Rubber:\u003c\/strong\u003e Excellent heat stability and chemical resistance make these ports suitable for repeated sterilization cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerfect Fit for 13mm Openings:\u003c\/strong\u003e Outer diameter of 12.5mm (≈0.49\") and inner diameter of 7.2mm (≈0.28\") — designed for a precise snap-on fit in standard 13mm glass jar lids.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for liquid culture (LC) syringes, BRF jars, supplemented substrate jars, grain masters, and other laboratory or cultivation containers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBulk Value Pack:\u003c\/strong\u003e 100 injection ports per pack — plenty for large-scale grows, labs, or restocking your supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Butyl Rubber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Grey\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 12.5mm \/ 0.49\" (approx.)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 7.2mm \/ 0.28\" (approx.)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 100 pieces per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 13mm or ½-inch diameter jar openings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e100 × Butyl Rubber Self-Sealing Injection Ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYou May Also Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/large-capacity-pencil-pen-bag-zipper-fabric-stationery-organizer\"\u003eLarge Capacity Zipper Fabric Storage Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100-pcs-plant-support-clips-orchid-flower-vine-stem-garden\"\u003e100 PCS Plant Support Clips for Orchid, Flower \u0026amp; Vine Stems\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/graded-trading-card-holder-snap-closure-plastic-slab-case\"\u003eSnap-Closure Plastic Slab Case – Storage \u0026amp; Organization\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.ready.gov\/kit\" target=\"_blank\" rel=\"noopener\"\u003eReady.gov emergency supply guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size jar lids are these butyl rubber injection ports compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These self-sealing injection ports are specifically designed for 13mm (½ inch) diameter openings — the standard size found on wide-mouth mason jars, BRF jars, grain master lids, and most liquid culture jar lids. The outer diameter is approximately 12.5mm for a secure snap-on fit.\u003c\/p\u003e\n\u003ch4\u003eQ: Can these rubber stoppers be sterilized in a pressure cooker?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The butyl rubber material offers good heat stability, making these injection ports suitable for pressure cooker sterilization cycles commonly used in liquid culture and substrate preparation workflows.\u003c\/p\u003e\n\u003ch4\u003eQ: Do these ports truly self-seal after a needle is inserted and removed?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The butyl rubber construction allows the material to close back over the needle hole after each insertion, helping to maintain an airtight, contamination-resistant seal throughout the inoculation process.\u003c\/p\u003e\n\u003ch4\u003eQ: How many injection ports come in a pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack includes 100 self-sealing butyl rubber injection ports, providing excellent bulk value for hobbyists and professionals alike.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size jar lids are these butyl rubber injection ports compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These self-sealing injection ports are specifically designed for 13mm (½ inch) diameter openings — the standard size found on wide-mouth mason jars, BRF jars, grain master lids, and most liquid culture jar lids. 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The butyl rubber construction allows the material to close back over the needle hole after each insertion, helping to maintain an airtight, contamination-resistant seal throughout the inoculation process.\"}}, {\"@type\": \"Question\", \"name\": \"How many injection ports come in a pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each pack includes 100 self-sealing butyl rubber injection ports, providing excellent bulk value for hobbyists and professionals alike.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"100 Self-Sealing Butyl Rubber Injection Ports for 13mm Jars\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/100-pcs-self-sealing-butyl-rubber-injection-ports-13mm-jars\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"100PCS","offer_id":43696340631613,"sku":"14:201452310#100PCS","price":16.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3439\/0333\/files\/Sfa9e14e8151c43dab07b75a7ef51772cF.webp?v=1790182878","url":"https:\/\/qtiply.com\/products\/100-self-sealing-butyl-rubber-injection-ports-for-13mm-jars","provider":"QTP","version":"1.0","type":"link"}