{"product_id":"freestanding-centrifuge-tubes-30ml-white-caps-pp-spork-2403534w30e1","title":"30 mL Centrifuge Tubes, Freestanding, PP, White — 240-3534-W30 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e30 mL Freestanding Centrifuge Tubes with Spork Cap, PP, White — Caplugs® Evergreen (240-3534-W30)\u003c\/h2\u003e\n\u003cp\u003eThese 30 mL polypropylene centrifuge tubes feature a freestanding flat-bottom base, molded-in 5 mL graduations, and an integrated spork cap — supplied non-sterile, unassembled, in a 1000\/Bag format for high-volume clinical and research workflows. Rated up to 10,000 × g, they are suited for demanding centrifugation applications ranging from nucleic acid extraction to fecal specimen collection. The white cap enables color-coded tube identification and simplifies batch management across multi-cap-color laboratory systems.\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-W30\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\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\u003eWhite\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\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, Unassembled\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 — the integrated spork cap is purpose-built for this workflow, eliminating the need for a separate collection device\u003c\/li\u003e\n\u003cli\u003eHigh-speed centrifugation in clinical chemistry, molecular diagnostics, and microbiology labs (up to 10,000 × g)\u003c\/li\u003e\n\u003cli\u003eNucleic acid extraction: DNA and RNA isolation protocols requiring a chemically resistant 30 mL polypropylene tube\u003c\/li\u003e\n\u003cli\u003eProtein purification and cell culture applications where a larger tube volume is required\u003c\/li\u003e\n\u003cli\u003eBench-top sample preparation, aliquoting, and storage — the freestanding base eliminates the need for a rack during staging and processing\u003c\/li\u003e\n\u003cli\u003eColor-coded multi-tube batch management using white caps alongside other cap colors in the Caplugs® Evergreen line\u003c\/li\u003e\n\u003cli\u003eCAP-, CLIA-, and ISO 15189-regulated laboratories requiring lot-numbered, traceable consumables\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 — brief contact only\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; confirm with your autoclave protocol)\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 traceability requirements in CAP-, CLIA-, and ISO 15189-accredited laboratories. The unassembled 1000\/Bag format maximizes storage efficiency and reduces per-unit cost for high-throughput facilities. LabSupplies.com is an authorized dealer of Caplugs® Evergreen consumables and ships from USA inventory, with tiered pricing available for institutional, hospital, and grant-funded procurement programs. Part number 240-3534-W30 is a stocking item suitable for blanket orders and standing purchase agreements.\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. For workflows that require sterility (e.g., cell culture or certain clinical assays), additional sterilization steps would need to be performed by the end user, or a sterile variant should be sourced.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the integrated spork cap?\u003c\/strong\u003e\u003cbr\u003eThe spork is a built-in collection tool molded directly into the white cap, making these tubes well suited for fecal and stool specimen collection. It eliminates the need for a separate collection spoon or device, streamlining kit assembly and reducing components for clinical and reference labs.\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 independently on the benchtop, in a centrifuge rotor staging area, or in storage — without any external rack infrastructure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat graduation increments are molded into the tube?\u003c\/strong\u003e\u003cbr\u003eThe tubes have molded-in graduation marks at every 5 mL, allowing technicians to read approximate volumes quickly during sample preparation and aliquoting without a separate measuring device.\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, White, Non-Sterile — 1000\/Bag\",\"sku\":\"2403534W30E1\",\"mpn\":\"240-3534-W30\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene (PP)\",\"color\":\"White 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 — they are supplied non-sterile. 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