{"product_id":"test-tube-racks-13mm-90-positions-blue-ppc-2403200b8sie1","title":"Tube Racks, PPC, Blue — 240-3200-B8SI | Caplugs® Evergreen","description":"\u003ch2\u003e13 mm, 90-Position Test Tube Rack — PPC, Blue, Unassembled (240-3200-B8SI)\u003c\/h2\u003e\n\u003cp\u003eThese blue polypropylene copolymer test tube racks hold 90 standard 13 mm tubes and are supplied as individual, unassembled units for compact storage and flexible quantity purchasing. The high-density 90-position layout keeps clinical, research, and industrial laboratory workstations organized, while the blue color allows immediate visual identification in multi-rack environments where racks are sorted by assay type, sample batch, or department. Made in USA, these racks deliver the impact resistance and broad chemical durability expected of PPC construction in demanding reusable-labware applications.\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\u003e240-3200-B8SI\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\u003e13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Positions\u003c\/td\u003e\n\u003ctd\u003e90\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\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eIndividual, 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\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-density organization of 13 mm test tubes and culture tubes during processing, incubation, or storage\u003c\/li\u003e\n\u003cli\u003eClinical chemistry, hematology, and microbiology workstations requiring stable, organized tube holding\u003c\/li\u003e\n\u003cli\u003eBlood bank and specimen-processing workflows where color-coded rack assignment by batch or specimen category improves throughput and reduces error\u003c\/li\u003e\n\u003cli\u003eResearch laboratory benchtops with multiple concurrent assays requiring clear rack-to-assay separation\u003c\/li\u003e\n\u003cli\u003eIndustrial quality control environments needing durable, reusable tube organization\u003c\/li\u003e\n\u003cli\u003eCAP-, CLIA-, and ISO 15189-regulated laboratories that require lot-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 solutions\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) — disinfection concentrations\u003c\/td\u003e\n\u003ctd\u003eGood — suitable for routine surface disinfection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon laboratory disinfectants (bleach solutions, quaternary ammonium)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclave sterilization\u003c\/td\u003e\n\u003ctd\u003eCompatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents (chloroform, methylene chloride)\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, Caplugs® Evergreen tube racks are manufactured from BPA-free, phthalate-free polypropylene copolymer and are lot-numbered for full traceability in regulated laboratory environments. LabSupplies.com is an authorized dealer of Caplugs® Evergreen consumables and ships from USA inventory, with tiered pricing available for high-volume institutional, hospital, and grant-funded laboratory purchasing. The individual-unit format of part number 240-3200-B8SI allows procurement teams to order the precise quantity needed without committing to bulk-case minimums.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tube diameter do these racks accept?\u003c\/strong\u003e\u003cbr\u003eThese racks are designed for 13 mm diameter test tubes and culture tubes. Tubes of a significantly different outer diameter may not seat securely, so confirm your tube's outer diameter before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo the racks arrive ready to use, or do they require assembly?\u003c\/strong\u003e\u003cbr\u003eThey are supplied unassembled, which reduces shipping volume and allows compact storage. Assembly is straightforward and requires no tools; racks can also be disassembled for storage or transport when not in use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan these racks be autoclaved between uses?\u003c\/strong\u003e\u003cbr\u003eYes — polypropylene copolymer is autoclave-compatible, making these racks suitable for reusable applications where periodic sterilization is required. They arrive non-sterile.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy choose blue racks when other colors are available?\u003c\/strong\u003e\u003cbr\u003eBlue color-coding allows multi-rack workstations to assign a distinct rack color to each assay type, sample batch, specimen category, or department, reducing mix-up risk without any additional labeling. If your workflow already uses a color-coding convention, select the rack color that aligns with your existing system.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"13 mm 90-Position Test Tube Rack, PPC, Blue, Unassembled — Caplugs® Evergreen 240-3200-B8SI\",\"sku\":\"2403200B8SIE1\",\"mpn\":\"240-3200-B8SI\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene Copolymer (PPC)\",\"color\":\"Blue\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"15.79\",\"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\":\"What tube diameter do these racks accept?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These racks are designed for 13 mm diameter test tubes and culture tubes. 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