{"product_id":"214-2427-030-unthreaded-conical-centrifuge","title":"Conical Centrifuge Tubes, 15 mL, Polypropylene (PP), Unthreaded, Natural, 125\/Box | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 15 mL Unthreaded Conical Centrifuge Tubes, Polypropylene (PP), 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 natural polypropylene (PP) for routine sample preparation, cell pelleting, and reagent aliquoting. Their conical geometry concentrates pellets at the tube tip for clean supernatant decanting, while the unthreaded format suits closure systems and capping stations that do not require screw threads.\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)\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\u003ePolypropylene (PP)\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\u003eCell pelleting and resuspension during routine centrifugation runs\u003c\/li\u003e\n\u003cli\u003eAliquoting and short-term storage of buffers, media, and reagents\u003c\/li\u003e\n\u003cli\u003eSample collection and transport for clinical and research workflows\u003c\/li\u003e\n\u003cli\u003eProtein and nucleic acid sample preparation prior to downstream assays\u003c\/li\u003e\n\u003cli\u003eMixing and dilution steps in chemistry and microbiology labs\u003c\/li\u003e\n\u003cli\u003eGeneral benchtop liquid handling where a conical tip aids recovery\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\u003eAre these centrifuge tubes sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These 15 mL conical tubes ship non-sterile. For applications requiring sterility, autoclaving compatibility depends on your protocol and the unthreaded closure used, so validate with your own process.\u003c\/p\u003e\n\u003ch3\u003eDo the tubes come with caps?\u003c\/h3\u003e\n\u003cp\u003eThese are unthreaded conical tubes, so they do not include screw caps. They are intended for closure systems or capping methods compatible with an unthreaded format.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the tubes made from?\u003c\/h3\u003e\n\u003cp\u003eThe tubes are molded from natural polypropylene (PP), a durable resin commonly chosen for its broad temperature tolerance and suitability for centrifugation and general sample handling.\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 listed price is per box, and tiered pricing is available for institutional and grant-funded bulk orders.\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, Polypropylene (PP), Natural, Non-Sterile, 125\/Box\",\n  \"sku\": \"214-2427-030\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"material\": \"Polypropylene (PP)\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"66.00\",\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\": \"Are these centrifuge tubes sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These 15 mL conical tubes ship non-sterile. For applications requiring sterility, autoclaving compatibility depends on your protocol and the unthreaded closure used, so validate with your own process.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do the tubes come with caps?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These are unthreaded conical tubes, so they do not include screw caps. They are intended for closure systems or capping methods compatible with an unthreaded format.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What material are the tubes made from?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The tubes are molded from natural polypropylene (PP), a durable resin commonly chosen for its broad temperature tolerance and suitability for centrifugation and general sample handling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many tubes are in each pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each box contains 125 tubes (125\/Box). 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