{"product_id":"214-3025-030-conical-microcentrifuge-tethered","title":"Microcentrifuge Tubes, 0.25 mL Conical, Polypropylene, Tethered Cap, Natural, 1000\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 0.25 mL Conical Polypropylene Microcentrifuge Tubes, Tethered Caps, Natural, Non-Sterile, 1000\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen 0.25 mL Conical Microcentrifuge Tubes\u003c\/strong\u003e deliver dependable small-volume handling for molecular biology, sample archiving, and reagent aliquoting. Molded from natural polypropylene, each tube features an integrated tethered cap that stays attached during processing, reducing cross-contamination risk and lost closures at 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\u003eConical Microcentrifuge Tubes with Tethered Caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\/Size\u003c\/th\u003e\n\u003ctd\u003e0.25 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClosure\/Cap\u003c\/th\u003e\n\u003ctd\u003eAttached (tethered) flip cap, PP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural\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\u003eAliquoting and storing micro-volume DNA, RNA, and protein samples\u003c\/li\u003e\n\u003cli\u003ePreparing master mixes and reagent stocks for downstream assays\u003c\/li\u003e\n\u003cli\u003eShort-term sample archiving at refrigerated or frozen temperatures\u003c\/li\u003e\n\u003cli\u003eEnzyme and antibody dilution work requiring minimal dead volume\u003c\/li\u003e\n\u003cli\u003eMicrocentrifugation of small biological specimens\u003c\/li\u003e\n\u003cli\u003eBench-side labeling and tracking in high-throughput sample prep\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 departments standardizing on consumables across multiple labs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these 0.25 mL microcentrifuge tubes sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These tubes are supplied non-sterile. For applications demanding asepsis, autoclave the polypropylene tubes prior to use following your lab's validated sterilization protocol.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the tubes and caps made from?\u003c\/h3\u003e\n\u003cp\u003eBoth the tube body and the tethered cap are molded from polypropylene (PP), giving good chemical durability and the ability to withstand standard autoclaving and freezing temperatures.\u003c\/p\u003e\n\u003ch3\u003eDo the caps stay attached during processing?\u003c\/h3\u003e\n\u003cp\u003eYes. Each tube has an integrated tethered cap that remains attached to the tube body, which helps prevent lost closures and reduces cross-contamination during open-and-close handling.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes are in each pack?\u003c\/h3\u003e\n\u003cp\u003eEach pack contains 1000 tubes per bag. Bags are lot-numbered to support sample and inventory traceability across accredited workflows.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 0.25 mL Conical Polypropylene Microcentrifuge Tubes, Tethered Caps, Natural, Non-Sterile, 1000\/Bag\",\n  \"sku\": \"214-3025-030\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/labsupplies.com\/products\/214-3025-030\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"40.07\",\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 0.25 mL microcentrifuge tubes sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These tubes are supplied non-sterile. For applications demanding asepsis, autoclave the polypropylene tubes prior to use following your lab's validated sterilization protocol.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What material are the tubes and caps made from?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Both the tube body and the tethered cap are molded from polypropylene (PP), giving good chemical durability and the ability to withstand standard autoclaving and freezing temperatures.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do the caps stay attached during processing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Each tube has an integrated tethered cap that remains attached to the tube body, which helps prevent lost closures and reduces cross-contamination during open-and-close handling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many tubes are in each pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each pack contains 1000 tubes per bag. 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