{"product_id":"conical-centrifuge-tubes-30ml-green-caps-ppc-non-sterile-1000-bag-unassembled-caplugs-evergreen-2403928g80e1","title":"30 mL Centrifuge Tubes, Conical Bottom, PPC, Green — 240-3928-G80 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e30 mL Conical Bottom Centrifuge Tubes, Threaded Cap — PPC, Green, 1000\/Bag (240-3928-G80)\u003c\/h2\u003e\n\u003cp\u003eThese 30 mL polypropylene copolymer (PPC) conical centrifuge tubes feature a threaded, leak-resistant cap for secure sealing during centrifugation, storage, and sample transport. Supplied non-sterile in bulk 1000\/Bag packaging, part number 240-3928-G80 is manufactured in green PPC for straightforward visual identification on the bench. The conical bottom geometry concentrates pellets and precipitates at the tube tip, enabling complete recovery with minimal dead volume after centrifugation.\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\u003e240-3928-G80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e30 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Style\u003c\/td\u003e\n\u003ctd\u003eConical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Style\u003c\/td\u003e\n\u003ctd\u003eThreaded — leak-resistant seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene Copolymer (PPC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGreen\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\/Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBPA \/ Phthalate Free\u003c\/td\u003e\n\u003ctd\u003eYes\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\u003eCell culture harvesting — conical tip concentrates cell pellets for efficient recovery after centrifugation\u003c\/li\u003e\n\u003cli\u003eSerum and plasma separation — secure threaded closure prevents leakage during spin and subsequent storage\u003c\/li\u003e\n\u003cli\u003eProtein precipitation and sample cleanup in proteomics and analytical workflows\u003c\/li\u003e\n\u003cli\u003eDensity gradient centrifugation requiring reliable pellet concentration at the tube tip\u003c\/li\u003e\n\u003cli\u003eClinical specimen processing and transport where a leak-resistant seal is required\u003c\/li\u003e\n\u003cli\u003eReagent preparation and intermediate sample storage in research and biotech laboratories\u003c\/li\u003e\n\u003c\/ul\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\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers \/ saline\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\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethanol\u003c\/td\u003e\n\u003ctd\u003eCompatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsopropanol\u003c\/td\u003e\n\u003ctd\u003eCompatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eCompatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic \/ chlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eLimited — not recommended for prolonged contact\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 at Caplugs® Evergreen ISO-certified manufacturing facilities using virgin-grade, FDA-registered polypropylene copolymer resin. These tubes are BPA-free and phthalate-free, and lot-to-lot dimensional consistency ensures reliable fit in standard centrifuge rotor positions across every bag. LabSupplies.com is an authorized Caplugs® Evergreen dealer shipping from USA inventory, with tiered volume pricing available for clinical laboratories, research institutions, and biotech procurement teams.\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 in 1000\/Bag bulk packaging. For applications requiring sterility, additional decontamination or a sterile-grade product should be considered.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy are these tubes green rather than natural\/clear?\u003c\/strong\u003e\u003cbr\u003eThe green color of part 240-3928-G80 allows quick visual differentiation from other tube sizes or formats on a busy bench, reducing the chance of picking the wrong tube during high-throughput workflows.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre the tubes autoclavable?\u003c\/strong\u003e\u003cbr\u003ePolypropylene copolymer (PPC) has good heat tolerance and is generally compatible with autoclaving; however, Caplugs® Evergreen does not certify these non-sterile tubes for repeated autoclave cycles, so validation for your specific process is recommended.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat centrifuge rotors are these compatible with?\u003c\/strong\u003e\u003cbr\u003eThe 30 mL conical format fits standard swing-bucket and fixed-angle rotor positions designed for this tube size. Always verify rotor adapter compatibility with your specific centrifuge model and confirm the maximum rated RCF before use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"30 mL Conical Bottom Centrifuge Tubes, Threaded Cap — PPC, Green, 1000\/Bag\",\"sku\":\"2403928G80E1\",\"mpn\":\"240-3928-G80\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene Copolymer (PPC)\",\"color\":\"Green\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"221.84\",\"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 in 1000\/Bag bulk packaging. 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