{"product_id":"127-1788-010-unthreaded-false-bottom-tube","title":"False-Bottom Sample Tubes, 5.0 mL, Polystyrene (PS), Unthreaded, Natural, 500\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 5.0 mL Unthreaded False-Bottom Sample Tubes, Polystyrene (PS), Natural, Non-Sterile, 500\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen 5.0 mL False-Bottom Sample Tubes\u003c\/strong\u003e are molded from clear natural polystyrene (PS) for reliable sample handling on automated and manual platforms. Their unthreaded false-bottom geometry concentrates low-volume samples toward the probe path, supporting clinical chemistry aliquoting, reagent dispensing, and routine specimen transfer in busy bench workflows.\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\u003eUnthreaded False-Bottom Sample Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e5.0 mL\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\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eUnthreaded, no cap included\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\u003e500\/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\u003eClinical chemistry sample aliquoting and specimen transfer\u003c\/li\u003e\n\u003cli\u003eLow-volume sample presentation on automated analyzer racks\u003c\/li\u003e\n\u003cli\u003eReagent and standard dispensing at the bench\u003c\/li\u003e\n\u003cli\u003eRoutine serum, plasma, and supernatant handling\u003c\/li\u003e\n\u003cli\u003eSample storage prior to short-term analysis\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose liquid handling in QC and research labs\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. These tubes are Made in USA, and each bag carries lot numbers that 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 sample tubes supplied sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These are non-sterile polystyrene tubes intended for general analytical and sample-handling use. For sterile workflows, autoclaving is not recommended because polystyrene is not heat-stable.\u003c\/p\u003e\n\u003ch3\u003eWhat does \"false-bottom\" mean for a 5.0 mL tube?\u003c\/h3\u003e\n\u003cp\u003eThe false-bottom design tapers the internal cavity so that low sample volumes pool toward the probe access point, reducing dead volume and improving aspiration on analyzers and during manual pipetting.\u003c\/p\u003e\n\u003ch3\u003eDo these tubes include caps?\u003c\/h3\u003e\n\u003cp\u003eNo. The tubes are unthreaded and ship without caps. They are designed for open-access sampling and probe insertion rather than sealed long-term storage.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes come in a pack?\u003c\/h3\u003e\n\u003cp\u003eEach bag contains 500 tubes (500\/Bag). This listing is priced per bag, with tiered pricing available for institutional and grant-funded orders.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 5.0 mL Unthreaded False-Bottom Sample Tubes, Polystyrene (PS), Natural, Non-Sterile, 500\/Bag\",\n  \"sku\": \"127-1788-010\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"91.26\",\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 sample tubes supplied sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These are non-sterile polystyrene tubes intended for general analytical and sample-handling use. For sterile workflows, autoclaving is not recommended because polystyrene is not heat-stable.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does \\\"false-bottom\\\" mean for a 5.0 mL tube?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The false-bottom design tapers the internal cavity so that low sample volumes pool toward the probe access point, reducing dead volume and improving aspiration on analyzers and during manual pipetting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do these tubes include caps?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. The tubes are unthreaded and ship without caps. They are designed for open-access sampling and probe insertion rather than sealed long-term storage.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many tubes come in a pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each bag contains 500 tubes (500\/Bag). This listing is priced per bag, with tiered pricing available for institutional and grant-funded orders.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48554795991272,"sku":"1271788010E1","price":91.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/127-1788-010_01_886227ca-40ba-43eb-8ff1-db47542be6a2.jpg?v=1778707832","url":"https:\/\/labsupplies.com\/products\/127-1788-010-unthreaded-false-bottom-tube","provider":"LabSupplies.com","version":"1.0","type":"link"}