{"product_id":"freestanding-centrifuge-tubes-30ml-yellow-caps-pp-spork-2403534y30e1","title":"30 mL Centrifuge Tubes, Freestanding, PP, Yellow — 240-3534-Y30 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e30 mL Freestanding Centrifuge Tubes with Spork Cap, PP, Yellow — 240-3534-Y30\u003c\/h2\u003e\n\u003cp\u003eThese 30 mL polypropylene centrifuge tubes feature a freestanding flat-bottom base, molded-in graduations every 5 mL, and an integrated spork cap for fecal and stool specimen collection — supplied non-sterile and unassembled in a 1000\/Bag format for efficient storage and high-volume workflows. Rated to 10,000 × g, the tubes handle demanding centrifugation in clinical, molecular, and research settings without requiring an external rack. The yellow cap provides instant color-coded identification for batch and tube-type management across multi-format laboratories.\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-Y30\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\u003eMolded-in, every 5 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Color\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpork Cap\u003c\/td\u003e\n\u003ctd\u003eYes — integrated\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 (PP)\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\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\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eUnassembled\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 using the integrated spork cap — eliminating the need for a separate collection tool\u003c\/li\u003e\n\u003cli\u003eHigh-speed centrifugation up to 10,000 × g for clinical chemistry, molecular diagnostics, and sample preparation workflows\u003c\/li\u003e\n\u003cli\u003eNucleic acid (DNA\/RNA) extraction requiring a chemically resistant, large-volume polypropylene vessel\u003c\/li\u003e\n\u003cli\u003eCell culture, protein purification, and other bioprocessing workflows where a 30 mL format is preferred\u003c\/li\u003e\n\u003cli\u003eFreestanding bench-top specimen staging, aliquoting, and storage without an external rack\u003c\/li\u003e\n\u003cli\u003eColor-coded tube management in CAP-, CLIA-, and ISO 15189-governed laboratories, supported by lot-numbered traceability\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 — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKetones (acetone)\u003c\/td\u003e\n\u003ctd\u003eLimited — not recommended for prolonged exposure\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\u003ctr\u003e\n\u003ctd\u003eAutoclave sterilization\u003c\/td\u003e\n\u003ctd\u003eCompatible (PP is autoclavable; tubes supplied non-sterile)\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 and are lot-numbered to support the traceability requirements of CAP-, CLIA-, and ISO 15189-accredited laboratories. LabSupplies.com is an authorized dealer stocking these tubes from USA inventory, with same-business-day shipping on stocking items and tiered volume pricing available for institutional, hospital, and grant-funded 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 — part number 240-3534-Y30 is supplied non-sterile. They are intended for specimen collection and general laboratory workflows that do not require a sterility guarantee. If your protocol requires sterile tubes, please contact us for alternative options.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the spork cap, and why does it matter?\u003c\/strong\u003e\u003cbr\u003eThe integrated spork cap combines a spoon and fork-like collection tool directly on the tube cap, making these tubes a self-contained solution for fecal and stool specimen collection. This eliminates the need to purchase and inventory a separate collection accessory and reduces handling steps at the point of collection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo the tubes require a rack to stand upright?\u003c\/strong\u003e\u003cbr\u003eNo — the freestanding flat-bottom base allows the tubes to stand stably on any bench surface without a rack, which simplifies centrifuge staging, aliquoting, and short-term storage during high-throughput workflows.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow precise are the volume graduations?\u003c\/strong\u003e\u003cbr\u003eThe tubes have molded-in graduation marks at every 5 mL increment across the full 30 mL volume, providing a reliable visual reference for sample preparation and aliquoting without the need for a separate measuring vessel in routine workflows.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"30 mL Freestanding Centrifuge Tubes with Spork Cap, PP, Yellow — 1000\/Bag\",\"sku\":\"2403534Y30E1\",\"mpn\":\"240-3534-Y30\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene (PP)\",\"color\":\"Yellow\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"260.27\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\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 — part number 240-3534-Y30 is supplied non-sterile. 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