{"product_id":"214-2415-010-unthreaded-conical-centrifuge","title":"Conical Centrifuge Tubes, 15 mL Unthreaded Polystyrene (PS), Natural, Non-Sterile, 125\/Box | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 15 mL Unthreaded Conical Centrifuge Tubes, Polystyrene (PS), Natural, Non-Sterile, 125\/Box\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003e15 mL unthreaded conical centrifuge tubes\u003c\/strong\u003e from Caplugs® Evergreen are molded from clear polystyrene (PS) for high optical clarity, making them ideal for visual inspection of pellets, supernatant separation, and routine specimen handling at the bench. The natural, untinted resin supports reading menisci and band positions without staining the sample.\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\u003eConical Centrifuge Tube (unthreaded, capless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e15 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolystyrene (PS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eNone (unthreaded tube)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eNatural\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\u003e125\/Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLow-speed centrifugation and pelleting of cell suspensions or precipitates\u003c\/li\u003e\n\u003cli\u003eVisual inspection of pellet, band, and supernatant boundaries through clear PS walls\u003c\/li\u003e\n\u003cli\u003eAliquoting and short-term holding of aqueous reagents and buffers\u003c\/li\u003e\n\u003cli\u003eSample preparation for routine clinical and research bench workflows\u003c\/li\u003e\n\u003cli\u003eDilution series and reagent mixing where optical clarity aids reading\u003c\/li\u003e\n\u003cli\u003eGeneral specimen transfer in teaching and high-throughput sorting tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory, and these tubes are Made in USA. Boxes carry lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our team for volume quotes on standing orders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDo these 15 mL tubes come with caps?\u003c\/h3\u003e\n\u003cp\u003eNo. These are unthreaded, capless conical tubes. They are intended for workflows using stoppers, plate sealers, or capless racking rather than screw-cap closure.\u003c\/p\u003e\n\u003ch3\u003eWhat material are these centrifuge tubes made from?\u003c\/h3\u003e\n\u003cp\u003eThey are molded from polystyrene (PS), which offers high optical clarity for inspecting pellets and supernatants. PS is rigid but less chemically and thermally robust than polypropylene, so confirm reagent compatibility before use.\u003c\/p\u003e\n\u003ch3\u003eAre these tubes sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These tubes are supplied non-sterile, which suits general bench work, reagent handling, and applications that do not require an aseptic vessel.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes are in each pack?\u003c\/h3\u003e\n\u003cp\u003eEach box contains 125 tubes (125\/Box). The list price shown is per box.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 15 mL Unthreaded Conical Centrifuge Tubes, Polystyrene (PS), Natural, Non-Sterile, 125\/Box\",\n  \"sku\": \"214-2415-010\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"80.07\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"labsupplies.com\"\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    {\n      \"@type\": \"Question\",\n      \"name\": \"Do these 15 mL tubes come with caps?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These are unthreaded, capless conical tubes. 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