{"product_id":"globe-cap-116142b","title":"Test Tube Plug Caps, Polyethylene, Blue — 12 mm \u0026 16 mm, 1000\/Bag | Globe Scientific","description":"\u003ch2\u003eBlue Polyethylene Plug Caps for 12 mm and 16 mm Test Tubes, 1000\/Bag\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eGlobe Scientific Plug Caps\u003c\/strong\u003e deliver a secure snap-fit seal for standard 12 mm and 16 mm round-bottom and culture tubes. Color-coded in blue for fast rack identification, they suit sample storage, specimen transport, and routine clinical and microbiology workflows where reliable, reusable closures keep contents contained and organized.\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\u003ePlug Cap (push-in tube closure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize Range\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\u003c\/td\u003e\n\u003ctd\u003eSnap-fit plug, blue\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\u003eSize\u003c\/td\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003ePrice (per bag of 1000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003ctd\u003e118139B\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\u003e116142B\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 12 mm and 16 mm culture and test tubes during sample storage\u003c\/li\u003e\n\u003cli\u003eSpecimen transport where a secure push-in closure is required\u003c\/li\u003e\n\u003cli\u003eColor-coded rack organization by tube size or sample type\u003c\/li\u003e\n\u003cli\u003eMicrobiology workflows using round-bottom tubes\u003c\/li\u003e\n\u003cli\u003eRoutine clinical and serology bench protocols\u003c\/li\u003e\n\u003cli\u003eShort-term refrigerated sample retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eSupplied by labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Each bag carries a lot number to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available on bulk orders across both sizes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat tube sizes do these plug caps fit?\u003c\/h3\u003e\n\u003cp\u003eTwo diameters are offered: SKU 118139B fits 12 mm tubes and SKU 116142B fits 16 mm tubes. Match the cap to the outer tube diameter for a proper snap-fit seal.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the caps made from?\u003c\/h3\u003e\n\u003cp\u003eBoth sizes are molded from polyethylene, providing flexible push-in retention and broad compatibility with aqueous samples and standard refrigerated storage.\u003c\/p\u003e\n\u003ch3\u003eAre these caps sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. The caps ship non-sterile in bags of 1000. For aseptic protocols, autoclave or sterilize per your lab's validated procedure before use.\u003c\/p\u003e\n\u003ch3\u003eHow are the caps packaged and sold?\u003c\/h3\u003e\n\u003cp\u003eEach SKU is sold per bag of 1000 caps. Pricing shown is per bag, and lot numbers on each bag support documentation for accredited workflows.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific Plug Caps for 12 mm and 16 mm Test Tubes, Blue, 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\": \"118139B\", \"price\": \"39.20\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"116142B\", \"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 sizes do these plug caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Two diameters are offered: SKU 118139B fits 12 mm tubes and SKU 116142B fits 16 mm tubes. Match the cap to the outer tube diameter for a proper snap-fit seal.\"}},\n    {\"@type\": \"Question\", \"name\": \"What material are the caps made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both sizes are molded from polyethylene, providing flexible push-in retention and broad compatibility with aqueous samples and standard refrigerated storage.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are these caps sterile?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The caps ship non-sterile in bags of 1000. For aseptic protocols, autoclave or sterilize per your lab's validated procedure before use.\"}},\n    {\"@type\": \"Question\", \"name\": \"How are the caps packaged and sold?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each SKU is sold per bag of 1000 caps. Pricing shown is per bag, and lot numbers on each bag support documentation for accredited workflows.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"Globe Scientific","offers":[{"title":"16 mm — Bag of 1000","offer_id":48612187013352,"sku":"116142B","price":55.5,"currency_code":"USD","in_stock":true},{"title":"12 mm — Bag of 1000","offer_id":48612187046120,"sku":"118139B","price":39.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/116142B_a6e0a8eb-f961-4d4e-a82c-c3c7f1089593.jpg?v=1780438404","url":"https:\/\/labsupplies.com\/products\/globe-cap-116142b","provider":"LabSupplies.com","version":"1.0","type":"link"}