{"product_id":"freestanding-centrifuge-tubes-50ml-green-caps-ppc-2403550g80e1","title":"50 mL Centrifuge Tubes, Freestanding, PPC, Green — 240-3550-G80 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e50 mL Freestanding Centrifuge Tubes, Polypropylene Copolymer, Green Caps — 240-3550-G80 | 1000\/Bag\u003c\/h2\u003e\n\u003cp\u003eThese 50 mL freestanding centrifuge tubes from Caplugs® Evergreen are constructed from Polypropylene Copolymer (PPC), rated to 10,000 × g, and supplied non-sterile in unassembled 1000\/Bag format for efficient bulk stocking. A flat-bottom freestanding base eliminates the need for a rack during bench-top staging, aliquoting, or storage, while molded-in graduations at every 5 mL deliver quick, reliable volume measurement without a separate measuring device. The green cap provides a recognizable visual cue for color-coded sample management across clinical, molecular, and research workflows.\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\u003e240-3550-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\u003e50 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\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene Copolymer (PPC)\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\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\u003eBPA \/ Phthalate Free\u003c\/td\u003e\n\u003ctd\u003eYes\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\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 centrifugation at up to 10,000 × g in clinical chemistry, molecular diagnostics, and microbiology labs\u003c\/li\u003e\n\u003cli\u003eNucleic acid (DNA\/RNA) extraction and purification requiring large-volume, chemically resistant tubes\u003c\/li\u003e\n\u003cli\u003eCell culture harvesting and protein purification workflows that utilize the full 50 mL capacity\u003c\/li\u003e\n\u003cli\u003eSpecimen processing, aliquoting, and bench-top staging — freestanding base allows placement without a rack\u003c\/li\u003e\n\u003cli\u003eColor-coded batch management using green caps to distinguish sample groups, panel types, or collection additives\u003c\/li\u003e\n\u003cli\u003eEnvironmental laboratory and research applications requiring lot-traceable, BPA-free 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 \/ 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 — short-term only; 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\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 with lot numbering to support traceability requirements in CAP-, CLIA-, and ISO 15189-accredited laboratories. LabSupplies.com is an authorized Caplugs® Evergreen dealer shipping from USA inventory, with tiered pricing available for high-volume institutional, hospital, 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 — part number 240-3550-G80 is supplied non-sterile. For workflows requiring sterile tubes, please contact us about sterile centrifuge tube options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does \"unassembled\" mean for this product?\u003c\/strong\u003e\u003cbr\u003eThe tubes and green caps are packed separately within the bag rather than pre-assembled. This reduces shipping volume and storage footprint; assembly takes only seconds at the bench before use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the green cap color?\u003c\/strong\u003e\u003cbr\u003eGreen caps allow laboratories to implement a color-coded tube identification system, commonly used to distinguish sample types, collection additives, or research batch groups at a glance — reducing handling errors during high-throughput processing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan these tubes be autoclaved?\u003c\/strong\u003e\u003cbr\u003ePolypropylene Copolymer has good thermal stability and is generally autoclavable; however, these tubes are supplied non-sterile and intended for single use. Verify your specific autoclave cycle parameters and consult your laboratory's SOP before autoclaving any consumable not labeled as autoclave-validated.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"50 mL Freestanding Centrifuge Tubes, Polypropylene Copolymer, Green Caps — Non-Sterile, 1000\/Bag\",\"sku\":\"2403550G80E1\",\"mpn\":\"240-3550-G80\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene Copolymer (PPC)\",\"color\":\"Green Cap \/ Natural Body\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"261.04\",\"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 — part number 240-3550-G80 is supplied non-sterile. 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Verify your specific autoclave cycle parameters and consult your laboratory's SOP before autoclaving any consumable not labeled as autoclave-validated.\"}}]}\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48558261862632,"sku":"2403550G80E1","price":261.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/50_20mL_20Cent_20Tube_b7b56b50-b509-4763-8c5a-92dc6059268f.png?v=1778766258","url":"https:\/\/labsupplies.com\/products\/freestanding-centrifuge-tubes-50ml-green-caps-ppc-2403550g80e1","provider":"LabSupplies.com","version":"1.0","type":"link"}