{"product_id":"214-3014-020-conical-microcentrifuge-tethered","title":"0.4 mL Conical Microcentrifuge Tubes, HDPE, Tethered Cap, Natural, 1000\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen 0.4 mL Conical Microcentrifuge Tubes, HDPE, Tethered Cap, Natural, 1000\/Bag\u003c\/h1\u003e\n\u003cp\u003eCaplugs® Evergreen \u003cstrong\u003e0.4 mL Conical Microcentrifuge Tubes\u003c\/strong\u003e deliver dependable small-volume sample handling for molecular biology prep, reagent aliquoting, and short-term specimen storage. Molded from natural HDPE with integrated tethered caps, these tubes minimize cap loss and cross-contamination during high-throughput bench work.\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\u003e0.4 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHDPE (High-Density Polyethylene)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClosure\/Cap\u003c\/th\u003e\n\u003ctd\u003eTethered (attached) snap cap\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 enzymes, primers, and small reagent volumes\u003c\/li\u003e\n\u003cli\u003eShort-term storage of nucleic acid and protein samples\u003c\/li\u003e\n\u003cli\u003eSample collection and labeling for PCR workflow staging\u003c\/li\u003e\n\u003cli\u003eDilution series prep where attached caps reduce mix-ups\u003c\/li\u003e\n\u003cli\u003eBuffer and standard storage on the bench during assays\u003c\/li\u003e\n\u003cli\u003eRoutine specimen handling in clinical and research labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003ePurchase from labsupplies.com, an authorized Caplugs® Evergreen dealer shipping from US inventory. Each bag carries lot numbers supporting traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Manufactured in the USA, these tubes ship promptly, and institutional plus grant-funded tiered pricing is available for volume procurement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these microcentrifuge tubes sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These tubes ship non-sterile, making them suited to general reagent aliquoting and sample storage. For sterile applications, autoclave compatibility depends on your protocol; validate HDPE temperature limits before processing.\u003c\/p\u003e\n\u003ch3\u003eWhat does the tethered cap design provide?\u003c\/h3\u003e\n\u003cp\u003eEach cap stays attached to its tube, reducing the risk of misplaced or swapped caps during fast bench work. Such integration improves sample integrity tracking in high-throughput aliquoting.\u003c\/p\u003e\n\u003ch3\u003eWhat is the working volume of a 0.4 mL tube?\u003c\/h3\u003e\n\u003cp\u003eNominal capacity is 0.4 mL. Practical fill volume should leave headspace for cap closure and any centrifugation expansion, so dose below the rated maximum for reliable sealing.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes are in a pack?\u003c\/h3\u003e\n\u003cp\u003eThis product is sold as 1000\/Bag at the listed per-pack price. Multiple bags can be ordered, and tiered institutional pricing applies to larger procurement volumes.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen 0.4 mL Conical Microcentrifuge Tubes, HDPE, Tethered Cap, Natural, 1000\/Bag\",\n  \"sku\": \"214-3014-020\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Caplugs® Evergreen\"\n  },\n  \"countryOfOrigin\": \"USA\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/labsupplies.com\/products\/214-3014-020\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"41.28\",\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 microcentrifuge tubes sterile?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. These tubes ship non-sterile, making them suited to general reagent aliquoting and sample storage. For sterile applications, autoclave compatibility depends on your protocol; validate HDPE temperature limits before processing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does the tethered cap design provide?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each cap stays attached to its tube, reducing the risk of misplaced or swapped caps during fast bench work. Such integration improves sample integrity tracking in high-throughput aliquoting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the working volume of a 0.4 mL tube?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nominal capacity is 0.4 mL. Practical fill volume should leave headspace for cap closure and any centrifugation expansion, so dose below the rated maximum for reliable sealing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many tubes are in a pack?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This product is sold as 1000\/Bag at the listed per-pack price. Multiple bags can be ordered, and tiered institutional pricing applies to larger procurement volumes.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48558368784616,"sku":"2143014020E1","price":41.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/214-3014-020_01_1636ca16-309b-46fd-9d33-3b6420b972db.jpg?v=1778767389","url":"https:\/\/labsupplies.com\/products\/214-3014-020-conical-microcentrifuge-tethered","provider":"LabSupplies.com","version":"1.0","type":"link"}