{"product_id":"214-2001-010-round-bottom-test-tube","title":"Round Bottom Test Tubes, 1.6 mL, 8 x 50 mm, Polystyrene, Natural, 1000\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 1.6 mL Round Bottom Test Tubes, 8 x 50 mm, Polystyrene, Natural, 1000\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen 1.6 mL Round Bottom Test Tubes\u003c\/strong\u003e are compact 8 x 50 mm polystyrene tubes built for small-volume sample handling, reagent aliquoting, and routine analyzer and immunoassay workflows. Their clear, natural-tinted walls support quick visual inspection, while the round bottom promotes complete sample recovery during pipetting.\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\u003eRound Bottom Test Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e1.6 mL, 8 x 50 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\u003eNatural\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\/Bag\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\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmall-volume sample aliquoting and dilution prep\u003c\/li\u003e\n\u003cli\u003eReagent dispensing for clinical and research benches\u003c\/li\u003e\n\u003cli\u003eSample loading on open-format analyzers and readers\u003c\/li\u003e\n\u003cli\u003eImmunoassay and ELISA reagent staging\u003c\/li\u003e\n\u003cli\u003eShort-term sample storage at room or refrigerated temperatures\u003c\/li\u003e\n\u003cli\u003eGeneral bench-top sorting, labeling, and batch processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory, and these tubes are Made in USA. Each bag carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available for high-volume procurement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these test tubes sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These tubes ship non-sterile and are intended for general laboratory use. For applications requiring sterility, validate an in-house sterilization method compatible with polystyrene.\u003c\/p\u003e\n\u003ch3\u003eCan these polystyrene tubes be autoclaved?\u003c\/h3\u003e\n\u003cp\u003eNo. Polystyrene is not autoclavable and deforms under steam-sterilization temperatures. Use chemical or single-use protocols instead of heat sterilization.\u003c\/p\u003e\n\u003ch3\u003eWhat is the working volume of these tubes?\u003c\/h3\u003e\n\u003cp\u003eThe tubes are rated at 1.6 mL in an 8 x 50 mm format. Leave appropriate headspace below the rim for capping, mixing, and centrifuge-free handling.\u003c\/p\u003e\n\u003ch3\u003eDo the tubes include caps?\u003c\/h3\u003e\n\u003cp\u003eNo cap is listed in the specification for this item. These are supplied as open round bottom tubes, 1000 per bag.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 1.6 mL Round Bottom Test Tubes, 8 x 50 mm, Polystyrene, Natural, 1000\/Bag\",\n  \"sku\": \"214-2001-010\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"47.09\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"labsupplies.com\"\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    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these test tubes sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These tubes ship non-sterile and are intended for general laboratory use. For applications requiring sterility, validate an in-house sterilization method compatible with polystyrene.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these polystyrene tubes be autoclaved?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Polystyrene is not autoclavable and deforms under steam-sterilization temperatures. Use chemical or single-use protocols instead of heat sterilization.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the working volume of these tubes?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The tubes are rated at 1.6 mL in an 8 x 50 mm format. Leave appropriate headspace below the rim for capping, mixing, and centrifuge-free handling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do the tubes include caps?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No cap is listed in the specification for this item. These are supplied as open round bottom tubes, 1000 per bag.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48555960500456,"sku":"2142001010E1","price":47.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/214-2001-010_02_627b4ab6-14cf-4992-8b4b-adceac2613c7.jpg?v=1778724050","url":"https:\/\/labsupplies.com\/products\/214-2001-010-round-bottom-test-tube","provider":"LabSupplies.com","version":"1.0","type":"link"}