{"product_id":"214-2002-010-round-bottom-test-tube","title":"Round Bottom Test Tubes, 2.5 mL, 10 x 50 mm, Polystyrene (PS), Natural, Non-Sterile, 1000\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 2.5 mL Round Bottom Test Tubes, 10 x 50 mm, Polystyrene (PS), Natural, Non-Sterile, 1000\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen 2.5 mL Round Bottom Test Tubes\u003c\/strong\u003e are clear, natural polystyrene (PS) tubes measuring 10 x 50 mm, supplied non-sterile in a 1000-count bag. Compact dimensions and optical clarity make them well suited to small-volume sample collection, colorimetric and turbidimetric reads, and routine reagent aliquoting on the bench.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eRound Bottom Test Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\/Size\u003c\/th\u003e\n\u003ctd\u003e2.5 mL, 10 x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolystyrene (PS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural (Clear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSterility\u003c\/th\u003e\n\u003ctd\u003eNon-Sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003e1000\/Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\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 and specimen collection\u003c\/li\u003e\n\u003cli\u003eReagent and standard aliquoting for assay setup\u003c\/li\u003e\n\u003cli\u003eColorimetric and turbidimetric optical reads where PS clarity matters\u003c\/li\u003e\n\u003cli\u003eImmunoassay and serology dilution steps\u003c\/li\u003e\n\u003cli\u003eHematology and routine clinical bench work\u003c\/li\u003e\n\u003cli\u003eShort-term sample storage and transport at ambient conditions\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; contact our procurement team for volume quotes and standing-order setup.\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 sterile workflows, decontaminate per your validated protocol or select a sterile alternative.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the tubes made from?\u003c\/h3\u003e\n\u003cp\u003eThey are molded from polystyrene (PS), which provides high optical clarity and rigidity ideal for visual inspection and optical-density measurements.\u003c\/p\u003e\n\u003ch3\u003eDo these tubes come with caps?\u003c\/h3\u003e\n\u003cp\u003eThis listing covers the 10 x 50 mm round bottom tubes only; no closures are included. Match a separately ordered cap or plug to the 10 mm outer diameter if a closure is required.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes are in each unit of sale?\u003c\/h3\u003e\n\u003cp\u003eEach unit is a bag of 1000 tubes (1000\/Bag). The list price shown is 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 2.5 mL Round Bottom Test Tubes, 10 x 50 mm, Polystyrene (PS), Natural, Non-Sterile, 1000\/Bag\",\n  \"sku\": \"214-2002-010\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/labsupplies.com\/products\/214-2002-010\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"50.34\",\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. 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