{"product_id":"globe-tuffblok-rectangular-tube-racks-456950ast","title":"Rectangular Tube Racks, Expandable 4-Way PP with Lids — 4 Colors, 4\/Pack | Globe Scientific","description":"\u003ch1\u003eGlobe Scientific TUFFBLOK Rectangular Tube Racks, Expandable 4-Way PP with Lids, 4 Colors, 4\/Pack\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eTUFFBLOK Rectangular Tube Racks\u003c\/strong\u003e deliver a rugged, modular polypropylene workstation for sample organization, specimen sorting, and bench-to-bench transport. Each set links together in four directions, letting technicians scale capacity without buying new hardware. Color coding by department or assay speeds workflow triage.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRectangular tube rack, expandable 4-way, with lids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003eRectangular format; links in four directions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eIncluded snap lids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eNot applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile; autoclavable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e4 racks per pack (one each: red, yellow, blue, green)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpandable 4-Way, with Lids, 4 Colors\u003c\/td\u003e\n\u003ctd\u003e456950AST\u003c\/td\u003e\n\u003ctd\u003e$65.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eColor-coded specimen sorting across multiple departments\u003c\/li\u003e\n\u003cli\u003eSample transport with lids securing tubes during movement\u003c\/li\u003e\n\u003cli\u003eScalable bench storage that links horizontally or vertically\u003c\/li\u003e\n\u003cli\u003eCold-room and incubator organization with lidded protection\u003c\/li\u003e\n\u003cli\u003eCentrifuge and aliquoting workflow staging\u003c\/li\u003e\n\u003cli\u003eLong-term tube archiving with stackable, capped units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers\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\u003eAlcohols\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eOrder through labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Every pack carries lot numbers that support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre the TUFFBLOK racks autoclavable?\u003c\/h3\u003e\n\u003cp\u003eYes. The polypropylene construction withstands standard steam autoclaving, allowing repeated decontamination cycles between sample sets.\u003c\/p\u003e\n\u003ch3\u003eHow does the 4-way expandable design work?\u003c\/h3\u003e\n\u003cp\u003eEach rack links to adjacent units on four sides, so technicians can build wider or longer configurations on the bench without purchasing separate base hardware.\u003c\/p\u003e\n\u003ch3\u003eWhat is included in pack 456950AST?\u003c\/h3\u003e\n\u003cp\u003eThe pack contains four racks with lids in red, yellow, blue, and green — ideal for color-coding by assay, department, or priority level.\u003c\/p\u003e\n\u003ch3\u003eDo the lids stay secured during transport?\u003c\/h3\u003e\n\u003cp\u003eYes. The included snap lids hold tubes in place, reducing spill and contamination risk when moving racks between stations or storage areas.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"TUFFBLOK Rectangular Tube Racks, Expandable 4-Way, with Lids, PP, 4 Colors\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"sku\": \"456950AST\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"65.00\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"labsupplies.com\"}\n  }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"Are the TUFFBLOK racks autoclavable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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