{"product_id":"30-and-50-ml-centrifuge-tube-racks-20-pos-green-ps-2403500g10e1","title":"50 mL Centrifuge Tube Racks, PS, Green — 240-3500-G10 | 6\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e20-Position Centrifuge Tube Racks for 30 mL \u0026amp; 50 mL Tubes — PS, Green, 6\/Bag (240-3500-G10)\u003c\/h2\u003e\n\u003cp\u003eThese polystyrene centrifuge tube racks hold up to 20 tubes in the 30 mL and 50 mL conical format, making them a single-rack solution for the two most common large-volume tube sizes used across clinical, research, and biotech workflows. Supplied non-sterile in a 6\/Bag bulk format, the green color allows straightforward color-coded organization across multi-rack workstations. Caplugs® Evergreen part 240-3500-G10 is lot-numbered for full traceability in regulated laboratory environments.\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\u003e240-3500-G10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCentrifuge Tube Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Compatibility\u003c\/td\u003e\n\u003ctd\u003e30 mL \u0026amp; 50 mL conical centrifuge tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositions\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolystyrene (PS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGreen\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\u003eLot Traceability\u003c\/td\u003e\n\u003ctd\u003eYes — lot-numbered per bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e6\/Bag\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\u003eStaging and holding 30 mL or 50 mL conical tubes during centrifugation runs in clinical chemistry and molecular diagnostics labs\u003c\/li\u003e\n\u003cli\u003eAliquoting and reagent preparation workflows where both tube formats are used interchangeably\u003c\/li\u003e\n\u003cli\u003eCell culture media handling and cell pellet processing in biotech and research settings\u003c\/li\u003e\n\u003cli\u003eSpecimen batch organization and short-term incubation in microbiology and serology labs\u003c\/li\u003e\n\u003cli\u003eColor-coded rack systems that distinguish assay types, sample batches, or departments across shared workstations\u003c\/li\u003e\n\u003cli\u003eLaboratory storage organization for completed runs or archived specimens\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\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthanol (\u0026gt;70%)\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetone\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated \/ aromatic solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclaving\u003c\/td\u003e\n\u003ctd\u003eNot recommended — PS is not autoclavable\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 racks are manufactured by Caplugs® Evergreen under ISO-certified quality standards with consistent polystyrene geometry and color uniformity across every production lot. Every bag is lot-numbered to support documentation requirements under CAP, CLIA, and ISO 15189 accreditation programs. The racks are BPA-free and phthalate-free. LabSupplies.com is an authorized Caplugs® Evergreen dealer shipping from USA inventory, with tiered pricing available for high-volume institutional and grant-funded purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these racks hold both 30 mL and 50 mL conical tubes securely?\u003c\/strong\u003e\u003cbr\u003eYes — each rack is designed to accommodate both 30 mL and 50 mL conical centrifuge tubes across all 20 positions, so you can use a single rack format regardless of which tube size your workflow requires.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre these racks sterile?\u003c\/strong\u003e\u003cbr\u003eNo — they are supplied non-sterile, which is appropriate for the vast majority of tube staging, aliquoting, and storage applications where rack sterility is not required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is the rack green?\u003c\/strong\u003e\u003cbr\u003eThe green color enables color-coded workstation organization, allowing labs to assign specific rack colors to assay types, specimen batches, or departments — reducing handling errors in busy multi-rack environments without additional labeling.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo these racks carry lot numbers for accreditation documentation?\u003c\/strong\u003e\u003cbr\u003eYes — every bag of 240-3500-G10 includes a lot number, supporting traceability documentation for CAP, CLIA, and ISO 15189 accredited laboratories.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"20-Position Centrifuge Tube Racks for 30 mL \u0026 50 mL Tubes — PS, Green, 6\/Bag\",\"sku\":\"2403500G10E1\",\"mpn\":\"240-3500-G10\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polystyrene (PS)\",\"color\":\"Green\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"21.00\",\"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\":\"Will these racks hold both 30 mL and 50 mL conical tubes securely?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — each rack is designed to accommodate both 30 mL and 50 mL conical centrifuge tubes across all 20 positions, so you can use a single rack format regardless of which tube size your workflow requires.\"}},{\"@type\":\"Question\",\"name\":\"Are these racks sterile?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — they are supplied non-sterile, which is appropriate for the vast majority of tube staging, aliquoting, and storage applications where rack sterility is not required.\"}},{\"@type\":\"Question\",\"name\":\"Why is the rack green?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The green color enables color-coded workstation organization, allowing labs to assign specific rack colors to assay types, specimen batches, or departments — reducing handling errors in busy multi-rack environments without additional labeling.\"}},{\"@type\":\"Question\",\"name\":\"Do these racks carry lot numbers for accreditation documentation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — every bag of 240-3500-G10 includes a lot number, supporting traceability documentation for CAP, CLIA, and ISO 15189 accredited laboratories.\"}}]}\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48556317868264,"sku":"2403500G10E1","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/240-3500-G10_02.jpg?v=1778731842","url":"https:\/\/labsupplies.com\/products\/30-and-50-ml-centrifuge-tube-racks-20-pos-green-ps-2403500g10e1","provider":"LabSupplies.com","version":"1.0","type":"link"}