{"product_id":"freestanding-centrifuge-tubes-30ml-green-caps-pp-spork-2403534g30e1","title":"30 mL Centrifuge Tubes, Freestanding, PP, Green — 240-3534-G30 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e30 mL Freestanding Centrifuge Tubes, Polypropylene, Green Cap with Integrated Spork — 1000\/Bag\u003c\/h2\u003e\n\u003cp\u003eThese 30 mL polypropylene centrifuge tubes feature a freestanding flat-bottom base, molded-in graduations every 5 mL, and a green screw cap with an integrated spork for fecal and stool specimen collection workflows. Rated to 10,000 × g and supplied non-sterile in a 1000\/Bag unassembled format, part number 240-3534-G30 is well-suited for high-throughput clinical, molecular, and research laboratories that require large-volume centrifugation without the overhead of separate rack infrastructure.\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\u003e240-3534-G30\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 RCF\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\u003eMolded-in, every 5 mL\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\u003eCap Style\u003c\/td\u003e\n\u003ctd\u003eScrew cap with integrated spork\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\u003eBase Style\u003c\/td\u003e\n\u003ctd\u003eFreestanding flat bottom\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\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, 1000\/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\u003eFecal and stool specimen collection, transport, and processing — enabled by the integrated spork cap\u003c\/li\u003e\n\u003cli\u003eHigh-speed centrifugation up to 10,000 × g in clinical chemistry, molecular diagnostics, and microbiology workflows\u003c\/li\u003e\n\u003cli\u003eNucleic acid (DNA\/RNA) extraction requiring a large-volume, chemically resistant polypropylene tube\u003c\/li\u003e\n\u003cli\u003eCell culture harvest, protein purification, and cell pellet preparation\u003c\/li\u003e\n\u003cli\u003eSample aliquoting, reagent preparation, and bench-top staging where a freestanding tube eliminates the need for a separate rack\u003c\/li\u003e\n\u003cli\u003eColor-coded multi-tube laboratory management systems using green caps to identify tube type or batch\u003c\/li\u003e\n\u003cli\u003eLot-traceable workflows in CAP-, CLIA-, and ISO 15189-accredited 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 and 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\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcohols (ethanol, isopropanol)\u003c\/td\u003e\n\u003ctd\u003eGood — suitable for typical extraction protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKetones (acetone)\u003c\/td\u003e\n\u003ctd\u003eLimited — short-term contact only; evaluate for your application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents (chloroform, DCM)\u003c\/td\u003e\n\u003ctd\u003eNot recommended\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 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 tiered volume pricing available for institutional, clinical, and grant-funded purchasing programs.\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 — the 240-3534-G30 tubes are supplied non-sterile. For workflows requiring sterility, verify whether a sterile alternative is available or implement your laboratory's validated sterilization protocol before use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the integrated spork, and which applications require it?\u003c\/strong\u003e\u003cbr\u003eThe green screw cap includes a molded spork — a combined spoon\/fork implement — used for collecting and transferring fecal or stool specimens. This makes the tube a self-contained collection and transport vessel, eliminating the need for a separate collection tool in parasitology, occult blood, and gastrointestinal pathogen testing workflows.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo these tubes require a rack for bench-top use?\u003c\/strong\u003e\u003cbr\u003eNo. The freestanding flat-bottom base allows the tubes to stand upright on any flat bench surface without a rack, simplifying specimen staging, aliquoting, and temporary storage during processing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does \"unassembled\" mean for the 1000\/Bag format?\u003c\/strong\u003e\u003cbr\u003eThe tubes and caps are packed separately within the bag and are not pre-assembled at the factory. This reduces shipping volume and allows labs to assemble tubes as needed, keeping unused caps clean and reducing storage footprint for high-volume operations.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"30 mL Freestanding Centrifuge Tubes, PP, Green Spork Cap, Non-Sterile — 1000\/Bag\",\"sku\":\"2403534G30E1\",\"mpn\":\"240-3534-G30\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene (PP)\",\"color\":\"Green Cap, Natural Body\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"260.27\",\"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 — the 240-3534-G30 tubes are supplied non-sterile. 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