{"product_id":"caplugs-240-2469-080-15ml-conical-centrifuge-tubes-ppc-natural-caps","title":"15 mL Centrifuge Tubes, Screw Caps, HDPE, Natural, Eppendorf\/Beckman Compatible — 240-2469-080 | 1,000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e15 mL Conical Centrifuge Tubes with Natural HDPE Screw Caps — PPC, Unassembled, 1,000\/Bag (240-2469-080)\u003c\/h2\u003e\n\u003cp\u003eThese 15 mL conical centrifuge tubes pair a precision-molded Polypropylene Copolymer (PPC) tube body with a natural High-Density Polyethylene (HDPE) threaded screw cap, supplied unassembled in a 1,000\/Bag bulk format for maximum workflow flexibility. The standard 17 × 120 mm conical geometry fits 15 mL rotor positions across all major centrifuge platforms, including Eppendorf® and Beckman Coulter® instruments. Supplied non-sterile, these tubes are an economical choice for high-throughput clinical processing, cell pelleting, and sample storage where pre-sterilization is not required.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e240-2469-080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Volume\u003c\/td\u003e\n\u003ctd\u003e15 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Dimensions\u003c\/td\u003e\n\u003ctd\u003e17 × 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Bottom Geometry\u003c\/td\u003e\n\u003ctd\u003eConical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene Copolymer (PPC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Color\u003c\/td\u003e\n\u003ctd\u003eNatural (semi-transparent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Material\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Polyethylene (HDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Color\u003c\/td\u003e\n\u003ctd\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Type\u003c\/td\u003e\n\u003ctd\u003eThreaded Screw Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly State\u003c\/td\u003e\n\u003ctd\u003eUnassembled — 1,000 tubes + 1,000 caps per Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1,000\/Bag\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\u003eBPA \/ Phthalates\u003c\/td\u003e\n\u003ctd\u003eBPA-free; no phthalate plasticizers\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\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConical centrifugation and cell pelleting at standard clinical and research g-forces\u003c\/li\u003e\n\u003cli\u003eSerum and plasma separation in clinical laboratories and hospitals\u003c\/li\u003e\n\u003cli\u003eSample storage and freeze-thaw cycling — PPC's elevated impact resistance reduces cracking under repeated thermal stress\u003c\/li\u003e\n\u003cli\u003eHigh-throughput specimen processing where bulk, unassembled tube-and-cap pairs reduce per-unit cost\u003c\/li\u003e\n\u003cli\u003eBarcode and external-label workflows — natural caps and semi-transparent tube bodies allow easy sample identification without removing caps\u003c\/li\u003e\n\u003cli\u003eCell culture media and reagent aliquoting requiring a positive torque-seal closure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe 17 × 120 mm conical format of these tubes fits standard 15 mL rotor positions on major centrifuge platforms including Eppendorf® (5810R and 5804R with A-4-81 swing-bucket rotor) and Beckman Coulter® instruments, as well as Thermo Fisher Sorvall™ models such as the ST16R, Legend X1R, and CL10 using the Fiberlite™ F15-6×100y rotor. Always confirm the maximum rated g-force and rotor capacity in your specific instrument manual before committing to a large-volume purchase. For laboratories needing color-coded cap options or alternative tube materials, related family members include a green-cap PPC variant (240-2469-G80) and Polystyrene tube options with both natural and green caps (240-2448-050 and 240-2448-G50), enabling single-vendor procurement across tube bodies and cap colors.\u003c\/p\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReagent \/ Condition\u003c\/th\u003e\n\u003cth\u003eTube Body (PPC)\u003c\/th\u003e\n\u003cth\u003eCap (HDPE)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers and saline\u003c\/td\u003e\n\u003ctd\u003eExcellent\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\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthanol (\u0026lt;70%)\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsopropanol (IPA)\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetone\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChloroform \/ chlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003ctd\u003eLimited — verify before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents (toluene, xylene)\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFreeze-thaw cycling\u003c\/td\u003e\n\u003ctd\u003eExcellent — PPC offers elevated low-temperature impact resistance vs. standard PP\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, these Caplugs® Evergreen centrifuge tubes are manufactured from virgin, BPA-free, phthalate-free resin under ISO 9001 quality management. The HDPE cap thread is matched to the PPC tube geometry to deliver consistent torque-to-seal performance across every unit in the 1,000-count Bag. LabSupplies.com is an authorized Caplugs® Evergreen dealer shipping from USA inventory, with tiered pricing available for institutional purchasers, hospital systems, and grant-funded research laboratories.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these centrifuge tubes sterile?\u003c\/strong\u003e\u003cbr\u003eNo — they are supplied non-sterile. The unassembled, bulk 1,000\/Bag format is designed for general clinical and research workflows where sterilization is performed downstream or is not required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy are the tubes and caps supplied unassembled?\u003c\/strong\u003e\u003cbr\u003eUnassembled packaging gives labs the flexibility to label or barcode tubes before capping, sort by sample type, and assemble at the point of use — a significant advantage in high-throughput environments processing large batches of specimens.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of Polypropylene Copolymer (PPC) over standard polypropylene or polystyrene?\u003c\/strong\u003e\u003cbr\u003ePPC delivers improved impact resistance and better low-temperature performance compared to standard PP, which reduces tube cracking during freeze-thaw cycling and repeated centrifugation. Compared to polystyrene, PPC is more resistant to common laboratory reagents including dilute alcohols and aqueous buffers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill these tubes fit my centrifuge rotor?\u003c\/strong\u003e\u003cbr\u003eThe 17 × 120 mm conical format is the industry-standard 15 mL geometry and seats in rotor positions designed for this tube size on platforms such as Eppendorf® and Beckman Coulter® instruments. Always verify the maximum rated g-force and rotor well dimensions in your instrument manual — rotor adapters may be required on some models — before placing a large-volume order.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"15 mL Conical Centrifuge Tubes with Natural HDPE Screw Caps, PPC, Unassembled, 1,000\/Bag — Caplugs® Evergreen 240-2469-080\",\"sku\":\"240-2469-080\",\"mpn\":\"240-2469-080\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene Copolymer (PPC) tube body; High-Density Polyethylene (HDPE) cap\",\"color\":\"Natural\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"202.24\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these centrifuge tubes sterile?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — they are supplied non-sterile. 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