{"product_id":"tube-caps-111672y","title":"Screw Caps for Microtubes, No O-Ring, PP — 6 Colors, 1000\/Pack | Globe Scientific","description":"\u003ch2\u003eScrew Caps for Microtubes, No O-Ring, Polypropylene — 6 Colors, 1000\/Pack\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eScrew Caps for Microtubes\u003c\/strong\u003e from Globe Scientific provide secure closure for self-standing screw-cap microtubes used in sample archiving, aliquoting, and DNA\/RNA storage. Six color options enable rapid visual sorting across protocols, while the molded polypropylene construction holds up to repeated freeze–thaw handling at the bench.\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\u003eScrew Cap for Microtube (no O-ring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003eStandard microtube thread, fits compatible screw-cap microtubes\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\u003eThreaded screw cap, no O-ring (no integral seal)\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 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Colors\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e111672Y\u003c\/td\u003e\n\u003ctd\u003e$127.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e111672W\u003c\/td\u003e\n\u003ctd\u003e$127.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e111672R\u003c\/td\u003e\n\u003ctd\u003e$127.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e111672G\u003c\/td\u003e\n\u003ctd\u003e$127.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e111672C\u003c\/td\u003e\n\u003ctd\u003e$127.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlue — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e111672B\u003c\/td\u003e\n\u003ctd\u003e$127.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eColor-coding sample sets by patient, study arm, or assay condition\u003c\/li\u003e\n\u003cli\u003eCapping screw-cap microtubes for long-term -20°C or -80°C archiving\u003c\/li\u003e\n\u003cli\u003eSecuring aliquots of nucleic acid, protein, or buffer stocks\u003c\/li\u003e\n\u003cli\u003eReplacement caps for tubes opened and reclosed across multiple workflows\u003c\/li\u003e\n\u003cli\u003eOrganizing biobank and repository sample inventories\u003c\/li\u003e\n\u003cli\u003eLabeling-by-color schemes in high-throughput genomics labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Each pack carries a lot number, supporting traceability requirements for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available on request for volume orders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDo these caps include an O-ring seal?\u003c\/h3\u003e\n\u003cp\u003eNo. These are no-O-ring screw caps. For applications requiring a liquid-tight or sample-integrity seal, choose O-ring style caps with matching microtubes instead.\u003c\/p\u003e\n\u003ch3\u003eHow many caps come in each pack?\u003c\/h3\u003e\n\u003cp\u003eEach pack contains 1000 caps. All six colors share the same 1000-count pack size and the same per-pack list price of $127.90.\u003c\/p\u003e\n\u003ch3\u003eAre the caps autoclavable?\u003c\/h3\u003e\n\u003cp\u003eThe caps are molded from polypropylene, which generally tolerates standard autoclave cycles. Validate against your tube and protocol, since repeated cycling can affect thread fit over time.\u003c\/p\u003e\n\u003ch3\u003eWhy choose color-coded caps over a single color?\u003c\/h3\u003e\n\u003cp\u003eColor coding speeds visual sorting and reduces transcription errors when sample sets, study arms, or assay conditions must be distinguished at a glance during high-throughput handling.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Screw Caps for Microtubes, No O-Ring, Polypropylene — 6 Colors, 1000\/Pack\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"category\": \"Microtube Screw Caps\",\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"127.90\",\n    \"highPrice\": \"127.90\",\n    \"offerCount\": 6,\n    \"offers\": [\n      {\"@type\": \"Offer\", \"sku\": \"111672Y\", \"price\": \"127.90\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"111672W\", \"price\": \"127.90\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"111672R\", \"price\": \"127.90\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"111672G\", \"price\": \"127.90\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"111672C\", \"price\": \"127.90\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"111672B\", \"price\": \"127.90\", \"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\": \"Do these caps include an O-ring seal?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. These are no-O-ring screw caps. For applications requiring a liquid-tight or sample-integrity seal, choose O-ring style caps with matching microtubes instead.\"}},\n    {\"@type\": \"Question\", \"name\": \"How many caps come in each pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each pack contains 1000 caps. All six colors share the same 1000-count pack size and the same per-pack list price of $127.90.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are the caps autoclavable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The caps are molded from polypropylene, which generally tolerates standard autoclave cycles. Validate against your tube and protocol, since repeated cycling can affect thread fit over time.\"}},\n    {\"@type\": \"Question\", \"name\": \"Why choose color-coded caps over a single color?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Color coding speeds visual sorting and reduces transcription errors when sample sets, study arms, or assay conditions must be distinguished at a glance during high-throughput handling.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"Globe Scientific","offers":[{"title":"Yellow — Bag of 1000","offer_id":48607940935912,"sku":"111672Y","price":127.9,"currency_code":"USD","in_stock":true},{"title":"White — Bag of 1000","offer_id":48607940968680,"sku":"111672W","price":127.9,"currency_code":"USD","in_stock":true},{"title":"Red — Bag of 1000","offer_id":48607941001448,"sku":"111672R","price":127.9,"currency_code":"USD","in_stock":true},{"title":"Green — Bag of 1000","offer_id":48607941034216,"sku":"111672G","price":127.9,"currency_code":"USD","in_stock":true},{"title":"Clear — Bag of 1000","offer_id":48607941066984,"sku":"111672C","price":127.9,"currency_code":"USD","in_stock":true},{"title":"Blue — Bag of 1000","offer_id":48607941099752,"sku":"111672B","price":127.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/file_a012bf15-db03-4071-a7c1-5f553cb94c7a.jpg?v=1769360034","url":"https:\/\/labsupplies.com\/products\/tube-caps-111672y","provider":"LabSupplies.com","version":"1.0","type":"link"}