{"product_id":"test-tube-racks-30mm-21-positions-white-ppc-2403204w8sie1","title":"Tube Racks, PPC, White — 240-3204-W8SI | Caplugs® Evergreen","description":"\u003ch2\u003e21-Position 30 mm Test Tube Rack — Polypropylene Copolymer, White, Unassembled (240-3204-W8SI)\u003c\/h2\u003e\n\u003cp\u003eThis Caplugs® Evergreen test tube rack holds 21 standard 30 mm tubes in a stable, color-coded white array, constructed from chemical-resistant polypropylene copolymer (PPC) for demanding clinical, research, and industrial laboratory environments. Supplied as an individual, unassembled unit, the rack ships and stores compactly and assembles quickly for immediate bench use. The white finish promotes label visibility and supports organized, multi-rack workstation layouts in clinical chemistry, hematology, microbiology, and cell culture settings.\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\u003e240-3204-W8SI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTest Tube Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Size\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Positions\u003c\/td\u003e\n\u003ctd\u003e21\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\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eIndividual unit, unassembled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1 rack\/unit\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 Numbered\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\u003eClinical chemistry: organizing 30 mm sample and reagent tubes during batched analysis workflows\u003c\/li\u003e\n\u003cli\u003eHematology and microbiology: stable tube holding during incubation, staining, or processing steps\u003c\/li\u003e\n\u003cli\u003eBlood bank and serology: multi-rack workstation layouts with color-coded rack identification\u003c\/li\u003e\n\u003cli\u003eCell culture and research laboratories: consolidating culture tubes during preparation or observation\u003c\/li\u003e\n\u003cli\u003eIndustrial quality control: organizing test tubes for inspection, sampling, or reagent preparation\u003c\/li\u003e\n\u003cli\u003eAutoclave or chemical disinfection cycles for reusable rack workflows in regulated environments\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, IPA)\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon laboratory disinfectants\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclaving (steam sterilization)\u003c\/td\u003e\n\u003ctd\u003eCompatible\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 racks are manufactured from BPA-free, phthalate-free polypropylene copolymer resin and are lot-numbered for full traceability in CAP-, CLIA-, and ISO 15189-accredited laboratories. The unassembled, individual-unit format lets procurement teams purchase the exact quantity required for their workstation configurations without overstocking. LabSupplies.com is an authorized dealer of Caplugs® Evergreen products and ships from USA inventory, with tiered volume pricing available for high-quantity institutional and grant-funded orders.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this rack require any tools to assemble?\u003c\/strong\u003e\u003cbr\u003eNo — the rack is designed for tool-free assembly and disassembly, making it quick to set up for bench use and easy to break down for compact storage or transport between workstations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan these racks be autoclaved for reuse?\u003c\/strong\u003e\u003cbr\u003eYes. Polypropylene copolymer is autoclave-compatible, so these racks can withstand standard steam sterilization cycles, making them suitable for reusable applications in sterile or regulated laboratory environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat tube diameter does this rack accept?\u003c\/strong\u003e\u003cbr\u003eThe rack is designed for 30 mm diameter test tubes, including standard culture tubes and clinical chemistry tubes in that format. Verify your tube outer diameter before ordering to confirm fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is the rack supplied unassembled?\u003c\/strong\u003e\u003cbr\u003eThe unassembled format reduces shipping volume and allows more efficient storage in stockrooms and supply cabinets. 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