{"product_id":"globe-cap-116152b","title":"Flange Plug Caps for Test Tubes, Polyethylene, Blue — 12\/13\/16 mm, 1000\/Case | Globe Scientific","description":"\u003ch2\u003eFlange Plug Caps, Blue Polyethylene, 12\/13\/16 mm — 1000 Caps per Case\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific Flange Plug Caps\u003c\/strong\u003e deliver a reliable push-in seal for round-bottom and flat-bottom test tubes across three common diameters. Designed for clinical labs and research benches, these blue caps suit specimen storage, culture tube sealing, and routine sample transport where a quick, secure closure speeds workflow.\u003c\/p\u003e\n\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, and 16 mm tube diameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFlexible polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eFlange plug, push-in friction seal\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\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1000 caps per case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\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 case of 1000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003ctd\u003e118127B\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\u003e118240B\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\u003e116152B\u003c\/td\u003e\n\u003ctd\u003e$51.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSealing culture tubes for short-term specimen storage\u003c\/li\u003e\n\u003cli\u003eClosing serum and plasma sample tubes during transport\u003c\/li\u003e\n\u003cli\u003eCapping reagent and dilution tubes on the bench\u003c\/li\u003e\n\u003cli\u003eSecuring collection tubes in clinical chemistry workflows\u003c\/li\u003e\n\u003cli\u003eColor-coding sample sets by tube diameter for sorting\u003c\/li\u003e\n\u003cli\u003eCapping disposable test tubes in teaching and QC labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 that support traceability for CAP-, CLIA-, and ISO 15189-accredited facilities. Institutional and grant-funded tiered pricing is available — contact us for volume quotes on standing orders.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat tube diameters do these flange plug caps fit?\u003c\/h3\u003e\n\u003cp\u003eThree sizes are offered to match 12 mm, 13 mm, and 16 mm tube outer diameters. Select the cap size matching your tube specification for a snug push-in seal.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the caps made from?\u003c\/h3\u003e\n\u003cp\u003eThese caps are molded from flexible polyethylene, which lets the flange compress on insertion and grip the tube wall for a secure friction seal.\u003c\/p\u003e\n\u003ch3\u003eHow many caps come in each pack?\u003c\/h3\u003e\n\u003cp\u003eCaps are supplied 1000 per case at the prices listed. Pricing is quoted per case, and tiered institutional rates apply to larger standing orders.\u003c\/p\u003e\n\u003ch3\u003eAre these caps sterile?\u003c\/h3\u003e\n\u003cp\u003eNo, the flange plug caps are supplied non-sterile. They are intended for general specimen storage, transport, and routine bench applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Flange Plug Caps, Blue Polyethylene, 12\/13\/16 mm\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"Blue flexible polyethylene flange plug caps for 12, 13, and 16 mm test tubes. 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