{"product_id":"15ml-centrifuge-tube-racks-50-positions-blue-ps-2402500b1ne1","title":"15 mL Centrifuge Tube Racks, PS, Blue — 240-2500-B1N | 6\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e15 mL Centrifuge Tube Racks — 50-Position, Blue Polystyrene, 6\/Bag (240-2500-B1N)\u003c\/h2\u003e\n\u003cp\u003eThese 50-position polystyrene tube racks are designed to hold 15 mL conical centrifuge tubes securely upright during bench-top specimen processing, sample preparation, and clinical laboratory workflows. Supplied non-sterile in a convenient 6\/Bag pack, the racks measure 130 × 90 mm and are molded in blue PS for lightweight rigidity and instant visual identification at the bench. Part number 240-2500-B1N is a Caplugs® Evergreen product Made in USA.\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\u003e240-2500-B1N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Compatibility\u003c\/td\u003e\n\u003ctd\u003e15 mL Conical Centrifuge Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Positions\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Dimensions\u003c\/td\u003e\n\u003ctd\u003e130 × 90 mm\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\u003eBlue\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\u003e6\/Bag\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\u003eBatch specimen processing in clinical chemistry, urinalysis, and hematology departments\u003c\/li\u003e\n\u003cli\u003eUpright tube organization during centrifugation prep, reagent dispensing, and sample aliquoting\u003c\/li\u003e\n\u003cli\u003eMicrobiology and molecular biology workflows requiring stable, high-capacity tube staging\u003c\/li\u003e\n\u003cli\u003eColor-coded bench organization by specimen type, workflow step, or laboratory section in multi-rack setups\u003c\/li\u003e\n\u003cli\u003eAnatomic pathology and research laboratory tube handling where 15 mL conicals are used in volume\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\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethanol\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eLimited — use with caution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthyl acetate\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic \/ chlorinated solvents\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 polystyrene with lot-level quality controls ensuring consistent rack geometry, well dimensions, and color across every bag. LabSupplies.com is an authorized Caplugs® Evergreen dealer, shipping from USA inventory with tiered pricing available for high-volume clinical, hospital, and institutional purchasing programs.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these racks hold standard 15 mL conical tubes from any brand?\u003c\/strong\u003e\u003cbr\u003eYes — the 50-position well geometry is sized for the industry-standard 15 mL conical centrifuge tube format used by virtually all major manufacturers. If you use non-standard or thick-walled tubes, verify the outer diameter before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan these racks be autoclaved or disinfected with common bench disinfectants?\u003c\/strong\u003e\u003cbr\u003ePolystyrene is not autoclavable. These racks are suitable for surface disinfection with aqueous-based disinfectants; avoid disinfectants containing high concentrations of alcohols, acetone, or aromatic solvents, which can craze or degrade PS.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy does the blue color matter in a clinical lab setting?\u003c\/strong\u003e\u003cbr\u003eColor-coded racks allow staff to designate racks by specimen type, workflow step, or laboratory section at a glance — reducing handling errors in busy multi-analyst environments without additional labeling.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow many racks come per bag, and is bulk pricing available?\u003c\/strong\u003e\u003cbr\u003eEach bag contains 6 racks, making it straightforward to equip multiple bench stations from a single order. LabSupplies.com offers tiered pricing for institutional and high-volume procurement — contact our team for a quote.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"15 mL Centrifuge Tube Racks, 50-Position, Blue Polystyrene, 6\/Bag — Caplugs® Evergreen 240-2500-B1N\",\"sku\":\"2402500B1NE1\",\"mpn\":\"240-2500-B1N\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polystyrene (PS)\",\"color\":\"Blue\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"26.83\",\"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 standard 15 mL conical tubes from any brand?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — the 50-position well geometry is sized for the industry-standard 15 mL conical centrifuge tube format used by virtually all major manufacturers. 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