{"product_id":"freestanding-centrifuge-tubes-30ml-green-caps-ppc-2403530g80e1","title":"30 mL Centrifuge Tubes, Freestanding, PPC, Green — 240-3530-G80 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e30 mL Freestanding Centrifuge Tubes, Green Caps, Polypropylene Copolymer — 240-3530-G80 | 1000\/Bag\u003c\/h2\u003e\n\u003cp\u003eThese 30 mL freestanding centrifuge tubes from Caplugs® Evergreen are constructed from polypropylene copolymer (PPC) and supplied non-sterile, unassembled, 1000\/Bag for high-volume laboratory procurement. Part number 240-3530-G80 features a flat-bottom freestanding base, molded-in graduations at every 5 mL, and a green cap for color-coded sample identification — all rated to withstand centrifugation up to 10,000 × g.\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\u003e240-3530-G80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFreestanding Centrifuge Tube\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\u003eMaximum Centrifuge Capacity\u003c\/td\u003e\n\u003ctd\u003e10,000 × g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduations\u003c\/td\u003e\n\u003ctd\u003eEvery 5 mL (molded-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Style\u003c\/td\u003e\n\u003ctd\u003eFreestanding Flat Bottom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Color\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Body Color\u003c\/td\u003e\n\u003ctd\u003eNatural (clear)\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\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-Sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnassembled\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\u003eHigh-speed clinical centrifugation of serum, plasma, and whole blood samples at up to 10,000 × g\u003c\/li\u003e\n\u003cli\u003eNucleic acid (DNA\/RNA) extraction requiring a chemically resistant 30 mL tube format\u003c\/li\u003e\n\u003cli\u003eProtein purification and cell culture processing where a large-volume, freestanding tube simplifies bench workflow\u003c\/li\u003e\n\u003cli\u003eColor-coded batch management using the green cap to segregate heparin-tube specimens, chemistry panels, or discrete research sample groups\u003c\/li\u003e\n\u003cli\u003eEnvironmental and microbiology sample concentration and pelleting\u003c\/li\u003e\n\u003cli\u003eAliquoting and reagent preparation where molded-in 5 mL graduations provide quick volume verification without a separate pipette\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 \/ water\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthanol and common alcohols\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetone and ketones\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact; verify for prolonged exposure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents (chloroform, DCM)\u003c\/td\u003e\n\u003ctd\u003eLimited — not recommended for extended contact\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\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 BPA-free, phthalate-free polypropylene copolymer resin and are lot-numbered to support traceability requirements in CAP-, CLIA-, and ISO 15189-accredited laboratories. LabSupplies.com is an authorized dealer of Caplugs® Evergreen consumables and ships from USA inventory, with volume and institutional pricing available for high-throughput clinical and research facilities.\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 and unassembled, 1000\/Bag, which is appropriate for the majority of clinical chemistry, molecular extraction, and research centrifugation workflows that do not require a sterility claim.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo these tubes require a rack to stand upright?\u003c\/strong\u003e\u003cbr\u003eNo. The freestanding flat-bottom base allows the tubes to stand independently on any level bench surface, centrifuge staging area, or storage shelf without an external rack.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does the green cap indicate?\u003c\/strong\u003e\u003cbr\u003eThe green cap provides a visual color-coding reference commonly associated with heparin-type specimen tubes, making it straightforward to segregate sample types, chemistry panels, or research batches in a multi-color tube management system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat accuracy can I expect from the molded-in graduations?\u003c\/strong\u003e\u003cbr\u003eThe graduations are molded in at every 5 mL and are intended for quick volume estimation during sample preparation and aliquoting. For precise volumetric measurement, use a calibrated pipette in addition to the tube graduations.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"30 mL Freestanding Centrifuge Tubes, Green Caps, Polypropylene Copolymer — Non-Sterile, 1000\/Bag\",\"sku\":\"2403530G80E1\",\"mpn\":\"240-3530-G80\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene Copolymer (PPC)\",\"color\":\"Green Cap \/ Natural Body\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"231.65\",\"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 and unassembled, 1000\/Bag, which is appropriate for the majority of clinical chemistry, molecular extraction, and research centrifugation workflows that do not require a sterility claim.\"}},{\"@type\":\"Question\",\"name\":\"Do these tubes require a rack to stand upright?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The freestanding flat-bottom base allows the tubes to stand independently on any level bench surface, centrifuge staging area, or storage shelf without an external rack.\"}},{\"@type\":\"Question\",\"name\":\"What does the green cap indicate?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The green cap provides a visual color-coding reference commonly associated with heparin-type specimen tubes, making it straightforward to segregate sample types, chemistry panels, or research batches in a multi-color tube management system.\"}},{\"@type\":\"Question\",\"name\":\"What accuracy can I expect from the molded-in graduations?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The graduations are molded in at every 5 mL and are intended for quick volume estimation during sample preparation and aliquoting. 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