{"product_id":"222-2469-g80-sterile-conical-centrifuge-tube","title":"Conical Centrifuge Tubes, 15 mL, PPC, Natural, Green Cap, Sterile, 500\/Pack | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 15 mL Conical Centrifuge Tubes, Sterile, PPC (Polypropylene Copolymer), Natural with Green Screw Caps — 500\/Pack\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen 15 mL Conical Centrifuge Tubes\u003c\/strong\u003e are sterile, natural-clarity PPC tubes fitted with leak-resistant green screw caps, supplied assembled at 50\/Tray. Engineered for reliable performance in cell pelleting, sample collection, and reagent aliquoting, these tubes pair optical clarity for visual reads with the rigidity needed for routine benchtop centrifugation.\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 Tubes\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 Copolymer (PPC), Natural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eGreen Screw Cap, Assembled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eMolded graduations with marking spot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eSterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e500\/Pack (50\/Tray Assembled)\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\u003ePelleting mammalian cells and microbial cultures during low- to medium-speed spins\u003c\/li\u003e\n\u003cli\u003eCollecting, transporting, and storing biological and clinical samples\u003c\/li\u003e\n\u003cli\u003eAliquoting media, buffers, and reagents for routine bench protocols\u003c\/li\u003e\n\u003cli\u003eProtein and nucleic acid sample preparation upstream of assays\u003c\/li\u003e\n\u003cli\u003eSerial dilution and reagent staging in tube-rack workflows\u003c\/li\u003e\n\u003cli\u003eShort-term sample storage requiring a secure, leak-resistant seal\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 (PBS, TBS, saline)\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids and bases\u003c\/td\u003e\n\u003ctd\u003eGood to Excellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcohols (ethanol, isopropanol)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAliphatic hydrocarbons\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic \/ chlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eLimited — test before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrong oxidizers\u003c\/td\u003e\n\u003ctd\u003eLimited — test before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eResistance reflects general PPC behavior; validate with your specific reagents, concentrations, and temperatures before scaling.\u003c\/p\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. Packs carry lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact us for volume quotes on SKU 222-2469-G80.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the maximum recommended RCF for these 15 mL tubes?\u003c\/h3\u003e\n\u003cp\u003ePPC conical tubes of this format are typically rated for routine bench centrifugation in the low- to medium-speed range. Always confirm against your rotor and centrifuge manufacturer's guidance for the 15 mL conical format before use.\u003c\/p\u003e\n\u003ch3\u003eAre these tubes supplied sterile and ready to use?\u003c\/h3\u003e\n\u003cp\u003eYes. The tubes are sterile and supplied assembled with their green screw caps, ready for immediate use in sterile sample handling and culture workflows.\u003c\/p\u003e\n\u003ch3\u003eWhat does \"PPC\" mean and why does it matter?\u003c\/h3\u003e\n\u003cp\u003ePPC is polypropylene copolymer, a resin offering good clarity and impact strength. The exact resin grade matters for chemical resistance and centrifugation performance, so this listing specifies PPC rather than a broader polypropylene designation.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes are in a pack?\u003c\/h3\u003e\n\u003cp\u003eEach pack contains 500 tubes, supplied as 50\/Tray assembled. The order unit and price are per pack of 500.\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 Conical Centrifuge Tubes, Sterile, PPC, Natural with Green Screw Caps, 500\/Pack\",\n  \"sku\": \"222-2469-G80\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Caplugs® Evergreen\"},\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"248.74\",\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 is the maximum recommended RCF for these 15 mL tubes?\",\n      \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PPC conical tubes of this format are typically rated for routine bench centrifugation in the low- to medium-speed range. 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