{"product_id":"tube-caps-6136y","title":"Screw Caps for Externally Threaded Sample Tubes (6030–6059), HDPE — 6 Colors, 1000\/Case | Globe Scientific","description":"\u003ch2\u003eScrew Caps for Externally Threaded Sample Tubes (6030–6059), HDPE, 6 Colors, 1000\/Case\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eGlobe Scientific Screw Caps\u003c\/strong\u003e are engineered to fit externally threaded sample tubes in the 6030–6059 series, delivering a secure, leak-resistant closure for sample storage, specimen archiving, and biobanking workflows. Six color options let labs implement quick visual sorting by study arm, patient cohort, or sample type, reducing handling errors at the bench and in freezer racks.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eScrew Cap (for externally threaded sample tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Tubes\u003c\/td\u003e\n\u003ctd\u003eGlobe Scientific 6030–6059 series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHDPE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eScrew thread, single-use\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\u003e1000 caps per case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAvailable Colors\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003ePrice (per case)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6136Y\u003c\/td\u003e\n\u003ctd\u003e$109.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6136W\u003c\/td\u003e\n\u003ctd\u003e$109.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6136R\u003c\/td\u003e\n\u003ctd\u003e$109.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6136N\u003c\/td\u003e\n\u003ctd\u003e$109.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6136G\u003c\/td\u003e\n\u003ctd\u003e$109.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlue — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6136B\u003c\/td\u003e\n\u003ctd\u003e$109.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSealing externally threaded sample tubes for long-term specimen storage\u003c\/li\u003e\n\u003cli\u003eColor-coding cohorts, study arms, or visit timepoints in clinical research\u003c\/li\u003e\n\u003cli\u003eBiobanking and freezer-rack organization at −20 °C and −80 °C\u003c\/li\u003e\n\u003cli\u003eAliquoting serum, plasma, or buffer for downstream assays\u003c\/li\u003e\n\u003cli\u003eSorting environmental or QC samples across a high-throughput batch\u003c\/li\u003e\n\u003cli\u003eDistinguishing reagent stocks during multi-step molecular protocols\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eReagent Class\u003c\/td\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003c\/tr\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\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eGood\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\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Every case 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 and standing-order setup.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhich tubes do these screw caps fit?\u003c\/h3\u003e\n\u003cp\u003eThey are designed for Globe Scientific externally threaded sample tubes in the 6030–6059 series. Pair the cap with the matching tube to ensure a proper thread engagement and leak-resistant seal.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the caps made from?\u003c\/h3\u003e\n\u003cp\u003eThe caps are molded from HDPE, which offers strong resistance to aqueous buffers, dilute acids, and dilute bases, plus good performance with alcohols. Avoid prolonged exposure to aromatic and chlorinated solvents.\u003c\/p\u003e\n\u003ch3\u003eAre these caps suitable for freezer storage?\u003c\/h3\u003e\n\u003cp\u003eYes. HDPE caps perform well at −20 °C and −80 °C, making them suitable for biobanking and long-term specimen archiving when paired with compatible tubes.\u003c\/p\u003e\n\u003ch3\u003eHow are the caps packaged and sold?\u003c\/h3\u003e\n\u003cp\u003eEach SKU ships as a case of 1000 caps in a single color at $109.50 per case. Mix colors across SKUs to build a color-coding scheme for your workflow.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Screw Caps for Externally Threaded Sample Tubes (6030–6059), HDPE, 6 Colors\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"material\": \"HDPE\",\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"109.50\",\n    \"highPrice\": \"109.50\",\n    \"offerCount\": \"6\",\n    \"offers\": [\n      {\"@type\": \"Offer\", \"sku\": \"6136Y\", \"price\": \"109.50\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"6136W\", \"price\": \"109.50\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"6136R\", \"price\": \"109.50\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"6136N\", \"price\": \"109.50\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"6136G\", \"price\": \"109.50\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"6136B\", \"price\": \"109.50\", \"priceCurrency\": \"USD\"}\n    ]\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\": \"Which tubes do these screw caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They are designed for Globe Scientific externally threaded sample tubes in the 6030–6059 series. 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