{"product_id":"ribbed-round-bottom-test-tubes-4-9ml-12-75mm-ps-2142131010e1","title":"Ribbed Round Bottom Test Tubes, 12 x 75 mm, 4.9 mL, Polystyrene, Natural, 1000\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 4.9 mL Ribbed Round Bottom Test Tubes, 12 x 75 mm, Polystyrene, Natural, 1000\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen Ribbed Round Bottom Test Tubes\u003c\/strong\u003e deliver a clear, rigid 12 x 75 mm polystyrene format with a 4.9 mL working capacity, engineered for routine clinical chemistry, sample aliquoting, and reagent dispensing. Ribbed walls improve grip on automated and manual workflows, while the natural polystyrene offers excellent optical clarity for visual inspection and colorimetric reads.\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\u003eRibbed Round Bottom Test Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e4.9 mL, 12 x 75 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\u003eRoutine clinical chemistry and diagnostic sample handling\u003c\/li\u003e\n\u003cli\u003eSerum, plasma, and whole-blood aliquoting\u003c\/li\u003e\n\u003cli\u003eReagent and buffer dispensing on the bench\u003c\/li\u003e\n\u003cli\u003eColorimetric and turbidimetric visual assessment\u003c\/li\u003e\n\u003cli\u003eLoading on automated analyzers and sample carousels\u003c\/li\u003e\n\u003cli\u003eGeneral laboratory mixing, dilution, and short-term storage\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 to streamline procurement across high-volume sample workflows.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the working volume and dimension of these tubes?\u003c\/h3\u003e\n\u003cp\u003eEach tube holds 4.9 mL and measures 12 x 75 mm, the standard small-tube format used across clinical chemistry and general bench applications.\u003c\/p\u003e\n\u003ch3\u003eAre these test tubes sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These tubes are supplied non-sterile, making them suited to routine, non-aseptic sample handling, dispensing, and storage tasks.\u003c\/p\u003e\n\u003ch3\u003eWhat material are these tubes made from?\u003c\/h3\u003e\n\u003cp\u003eThey are molded from polystyrene (PS) in a natural color, providing high optical clarity and rigidity for visual inspection and analyzer use.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes are in each pack?\u003c\/h3\u003e\n\u003cp\u003eThese tubes are supplied 1000 per bag under SKU 214-2131-010, ideal for high-throughput labs that consume disposable tubes in volume.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 4.9 mL Ribbed Round Bottom Test Tubes, 12 x 75 mm, Polystyrene, Natural, 1000\/Bag\",\n  \"sku\": \"214-2131-010\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"52.78\",\n    \"priceCurrency\": \"USD\",\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\": \"What is the working volume and dimension of these tubes?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each tube holds 4.9 mL and measures 12 x 75 mm, the standard small-tube format used across clinical chemistry and general bench applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these test tubes sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These tubes are supplied non-sterile, making them suited to routine, non-aseptic sample handling, dispensing, and storage tasks.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What material are these tubes made from?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"They are molded from polystyrene (PS) in a natural color, providing high optical clarity and rigidity for visual inspection and analyzer use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many tubes are in each pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These tubes are supplied 1000 per bag under SKU 214-2131-010, ideal for high-throughput labs that consume disposable tubes in volume.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48553012396264,"sku":"2142131010E1","price":52.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/214-2131-010_02.jpg?v=1778692010","url":"https:\/\/labsupplies.com\/products\/ribbed-round-bottom-test-tubes-4-9ml-12-75mm-ps-2142131010e1","provider":"LabSupplies.com","version":"1.0","type":"link"}