{"product_id":"globe-cap-116142r","title":"Plug Caps, Red Polyethylene, Push-In — 12 mm \u0026 16 mm Sizes, 1000\/Bag | Globe Scientific","description":"\u003ch2\u003eRed Push-In Plug Caps for 12 mm \u0026amp; 16 mm Test Tubes, 1000\/Bag\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eGlobe Scientific Plug Caps\u003c\/strong\u003e deliver a secure, snap-in seal for glass and plastic test tubes in clinical, microbiology, and general lab workflows. The bright red color aids quick visual sorting and rack identification, while the friction-fit design keeps samples contained during transport, storage, and incubation.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePush-In Plug Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e12 mm and 16 mm tube diameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eFriction-fit plug, red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1000 caps per bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Sizes\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003ctd\u003e118139R\u003c\/td\u003e\n\u003ctd\u003e$39.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003ctd\u003e116142R\u003c\/td\u003e\n\u003ctd\u003e$55.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSealing culture and broth tubes in clinical microbiology labs\u003c\/li\u003e\n\u003cli\u003eClosing serum and specimen collection tubes for short-term storage\u003c\/li\u003e\n\u003cli\u003eColor-coding tube racks by assay or patient batch\u003c\/li\u003e\n\u003cli\u003eCapping reagent and dilution tubes on the bench\u003c\/li\u003e\n\u003cli\u003eSecuring tubes during centrifugation prep and transport\u003c\/li\u003e\n\u003cli\u003eGeneral academic and teaching-lab tube closure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eOrder from labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Each bag carries lot numbers that support traceability for CAP-, CLIA-, and ISO 15189-accredited labs. Institutional and grant-funded tiered pricing is available — contact our team for volume quotes across both size variants.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat tube diameters do these plug caps fit?\u003c\/h3\u003e\n\u003cp\u003eThe 118139R cap fits 12 mm tubes and the 116142R cap fits 16 mm tubes. Match the cap to your tube's outer diameter for a snug friction seal.\u003c\/p\u003e\n\u003ch3\u003eHow many caps come in each pack?\u003c\/h3\u003e\n\u003cp\u003eBoth sizes are supplied 1000 caps per bag. List prices shown are per bag.\u003c\/p\u003e\n\u003ch3\u003eAre these caps sterile?\u003c\/h3\u003e\n\u003cp\u003eNo, these plug caps are supplied non-sterile and are intended for general laboratory closure applications.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the caps made from?\u003c\/h3\u003e\n\u003cp\u003eThey are molded from polyethylene, providing a flexible, low-cost push-in seal suitable for routine aqueous samples.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific Red Plug Caps, 12 mm \u0026 16 mm, 1000\/Bag\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"material\": \"Polyethylene\",\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"39.20\",\n    \"highPrice\": \"55.50\",\n    \"offerCount\": \"2\",\n    \"offers\": [\n      {\"@type\": \"Offer\", \"sku\": \"118139R\", \"price\": \"39.20\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"116142R\", \"price\": \"55.50\", \"priceCurrency\": \"USD\"}\n    ]\n  }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"What tube diameters do these plug caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 118139R cap fits 12 mm tubes and the 116142R cap fits 16 mm tubes. 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List prices shown are per bag.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are these caps sterile?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, these plug caps are supplied non-sterile and are intended for general laboratory closure applications.\"}},\n    {\"@type\": \"Question\", \"name\": \"What material are the caps made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They are molded from polyethylene, providing a flexible, low-cost push-in seal suitable for routine aqueous samples.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"Globe Scientific","offers":[{"title":"16 mm — Bag of 1000","offer_id":48612188455144,"sku":"116142R","price":55.5,"currency_code":"USD","in_stock":true},{"title":"12 mm — Bag of 1000","offer_id":48612188487912,"sku":"118139R","price":39.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/116142r.jpg?v=1780438424","url":"https:\/\/labsupplies.com\/products\/globe-cap-116142r","provider":"LabSupplies.com","version":"1.0","type":"link"}