{"product_id":"globe-cap-6263r","title":"17 mm Flange Plug Caps, Polyethylene, Red — for 17 mm \u0026 15 mL Centrifuge Tubes, 1000\/Case | Globe Scientific","description":"\u003ch2\u003e17 mm Flange Plug Caps, Red, for 17 mm Tubes and 15 mL Centrifuge Tubes — 1000\/Case\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific 17 mm Flange Plug Cap\u003c\/strong\u003e delivers a secure press-fit closure for 17 mm round tubes and standard 15 mL centrifuge tubes. Its molded flange seats firmly against the tube rim for reliable sample retention during sample storage, specimen transport, and bench-top aliquoting. The red color supports rapid visual sorting in high-throughput workflows.\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\u003e17 mm (fits 17 mm tubes and 15 mL centrifuge tubes)\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, push-in press fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eRed\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 Options\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e6263R (17 mm Flange Plug Cap, Red)\u003c\/td\u003e\n\u003ctd\u003e6263R\u003c\/td\u003e\n\u003ctd\u003e$104.70 \/ case of 1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSealing 15 mL centrifuge tubes after sample collection\u003c\/li\u003e\n\u003cli\u003eCapping 17 mm round tubes for short-term refrigerated storage\u003c\/li\u003e\n\u003cli\u003eColor-coding sample sets by patient, batch, or assay group\u003c\/li\u003e\n\u003cli\u003eSecure specimen transport between collection and processing\u003c\/li\u003e\n\u003cli\u003eBench-top aliquoting where snap or screw caps are unnecessary\u003c\/li\u003e\n\u003cli\u003ePreventing evaporation during interim sample holds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eReagent Class\u003c\/td\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcohols\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\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 a lot number to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for quantity quotes and standing-order setup.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat tubes do these caps fit?\u003c\/h3\u003e\n\u003cp\u003eThey fit 17 mm round tubes and standard 15 mL centrifuge tubes. The flange plug presses into the tube opening for a snug interference seal.\u003c\/p\u003e\n\u003ch3\u003eAre these caps sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. The 6263R caps are supplied non-sterile and are intended for general laboratory storage, sorting, and transport rather than aseptic applications.\u003c\/p\u003e\n\u003ch3\u003eCan these caps withstand centrifugation?\u003c\/h3\u003e\n\u003cp\u003ePress-fit flange plugs provide a friction seal, not a sealed leak-proof closure. Validate retention for your rotor and g-force before relying on them under high-speed centrifugation.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the caps made from?\u003c\/h3\u003e\n\u003cp\u003eThey are molded from polyethylene, offering good resistance to aqueous buffers, dilute acids and bases, and alcohols, with limited tolerance to acetonitrile and aromatic or chlorinated solvents.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"17 mm Flange Plug Caps, Red, for 17 mm Tubes and 15 mL Centrifuge Tubes\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"material\": \"Polyethylene\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"104.70\",\n    \"sku\": \"6263R\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"labsupplies.com\"}\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    {\n      \"@type\": \"Question\",\n      \"name\": \"What tubes do these caps fit?\",\n      \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They fit 17 mm round tubes and standard 15 mL centrifuge tubes. 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