{"product_id":"globe-cap-116152g","title":"Flange Plug Caps, Polyethylene, Green — 12\/13\/16 mm, 1000\/Case | Globe Scientific","description":"\u003ch2\u003eGreen Flange Plug Caps for 12, 13 \u0026amp; 16 mm Test Tubes — 1000\/Case\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eGlobe Scientific Flange Plug Caps\u003c\/strong\u003e deliver a secure snap-fit seal for standard glass and plastic test tubes across three common diameters. The flanged design grips the tube rim for reliable closure during sample transport, short-term storage, and benchtop processing in clinical and research labs.\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\u003eFlange Plug Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e12 mm, 13 mm, 16 mm (tube diameter)\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\u003eFlange plug, snap-fit, green\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 per case\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\u003e118127G\u003c\/td\u003e\n\u003ctd\u003e$36.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13 mm\u003c\/td\u003e\n\u003ctd\u003e118240G\u003c\/td\u003e\n\u003ctd\u003e$37.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003ctd\u003e116152G\u003c\/td\u003e\n\u003ctd\u003e$51.20\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 specimen tubes for short-term refrigerated storage\u003c\/li\u003e\n\u003cli\u003eColor-coding sample sets by protocol or department with green caps\u003c\/li\u003e\n\u003cli\u003eSecuring tubes during rack transport between bench and centrifuge area\u003c\/li\u003e\n\u003cli\u003eClosing clinical chemistry and hematology collection tubes post-aliquot\u003c\/li\u003e\n\u003cli\u003eCapping disposable tubes in teaching and microbiology labs\u003c\/li\u003e\n\u003cli\u003ePreventing evaporation and contamination during incubation steps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Each case carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited labs. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes and standing orders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhich tube diameters do these caps fit?\u003c\/h3\u003e\n\u003cp\u003eThree sizes are offered to match common test tubes: 12 mm (SKU 118127G), 13 mm (SKU 118240G), and 16 mm (SKU 116152G). Confirm your tube's outer rim diameter before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the flange plug caps made from?\u003c\/h3\u003e\n\u003cp\u003eThey are molded from polyethylene, providing a flexible flange that snaps over the tube rim and holds securely while remaining easy to remove by hand.\u003c\/p\u003e\n\u003ch3\u003eAre these caps sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. The caps are supplied non-sterile in bulk cases of 1000. For sterile workflows, autoclave compatibility should be verified against your tube and protocol requirements.\u003c\/p\u003e\n\u003ch3\u003eHow are the caps packaged and sold?\u003c\/h3\u003e\n\u003cp\u003eEach SKU is sold per case of 1000 caps in a single green color. Listed prices are per case, with tiered institutional pricing available on request.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific Flange Plug Caps, Polyethylene, Green\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"Green polyethylene flange plug caps for 12, 13 and 16 mm test tubes. Snap-fit closures sold 1000 per case.\",\n  \"offers\": [\n    {\"@type\": \"Offer\", \"sku\": \"118127G\", \"name\": \"12 mm\", \"price\": \"36.70\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\"},\n    {\"@type\": \"Offer\", \"sku\": \"118240G\", \"name\": \"13 mm\", \"price\": \"37.00\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\"},\n    {\"@type\": \"Offer\", \"sku\": \"116152G\", \"name\": \"16 mm\", \"price\": \"51.20\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\"}\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\": \"Which tube diameters do these caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Three sizes are offered to match common test tubes: 12 mm (SKU 118127G), 13 mm (SKU 118240G), and 16 mm (SKU 116152G). Confirm your tube's outer rim diameter before ordering.\"}},\n    {\"@type\": \"Question\", \"name\": \"What material are the flange plug caps made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They are molded from polyethylene, providing a flexible flange that snaps over the tube rim and holds securely while remaining easy to remove by hand.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are these caps sterile?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The caps are supplied non-sterile in bulk cases of 1000. For sterile workflows, autoclave compatibility should be verified against your tube and protocol requirements.\"}},\n    {\"@type\": \"Question\", \"name\": \"How are the caps packaged and sold?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each SKU is sold per case of 1000 caps in a single green color. 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