{"product_id":"conical-microcentrifuge-tubes-0-5ml-natural-pp-2143403030e1","title":"0.5 mL Microcentrifuge Tubes, Tethered Caps, PP, Natural — 214-3403-030 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e0.5 mL Conical Microcentrifuge Tubes with Tethered Cap — Polypropylene, Natural, 1000\/Bag\u003c\/h2\u003e\n\u003cp\u003eThese 0.5 mL conical microcentrifuge tubes feature a permanently attached tethered cap that eliminates cap loss and reduces cross-contamination risk during high-throughput pipetting workflows. Manufactured from virgin-grade polypropylene (PP) in a natural (translucent) finish, they are supplied non-sterile in sealed 1000\/Bag packaging and fit standard microcentrifuge rotor positions. The conical bottom geometry concentrates pellets at the tube tip for complete microvolume recovery with minimal dead volume after centrifugation.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e214-3403-030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e0.5 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Style\u003c\/td\u003e\n\u003ctd\u003eConical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Style\u003c\/td\u003e\n\u003ctd\u003eTethered — permanently attached\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eNatural (translucent)\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\u003eBPA \/ Phthalate Free\u003c\/td\u003e\n\u003ctd\u003eYes\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\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePCR preparation and enzyme reaction setup requiring low dead volume at the conical tip\u003c\/li\u003e\n\u003cli\u003eDNA and RNA extraction workflows where complete pellet recovery is critical\u003c\/li\u003e\n\u003cli\u003eProtein precipitation and cell pelleting in benchtop microcentrifuge rotors\u003c\/li\u003e\n\u003cli\u003eClinical microvolume sample processing in CAP-, CLIA-, and ISO 15189-regulated environments where lot-level traceability is required\u003c\/li\u003e\n\u003cli\u003eHigh-throughput repetitive pipetting operations where tethered caps enable single-handed opening and closing to minimize workflow interruption\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReagent \/ Condition\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers \/ saline\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethanol \/ isopropanol \/ ethanol\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic \/ chlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, these Caplugs® Evergreen microcentrifuge tubes are produced at ISO-certified facilities from FDA-registered, BPA-free, phthalate-free virgin-grade polypropylene. Lot-to-lot dimensional consistency ensures reliable rotor fit and cap hinge durability across every bag, and each sealed bag ships with lot number and manufacturing date to support full CAP, CLIA, and ISO 15189 audit trails. LabSupplies.com is an authorized Caplugs® Evergreen dealer shipping from USA inventory, with tiered pricing available for high-volume institutional and grant-funded laboratories.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these microcentrifuge tubes sterile?\u003c\/strong\u003e\u003cbr\u003eNo — the 214-3403-030 tubes are supplied non-sterile in sealed 1000\/Bag packaging. For applications requiring sterility, consider a DNase\/RNase-free certified option or autoclave these tubes prior to use, since polypropylene is autoclavable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes a tethered cap better than a snap cap for high-throughput work?\u003c\/strong\u003e\u003cbr\u003eThe tethered cap is permanently attached via a flexible hinge, so it cannot be misplaced or mixed between tubes during rapid sample processing. Single-handed open-and-close operation also reduces repetitive motion and workflow interruption compared to separate snap caps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these tubes fit my standard benchtop microcentrifuge rotor?\u003c\/strong\u003e\u003cbr\u003eYes — the 0.5 mL conical format is dimensionally consistent with standard microcentrifuge rotor positions designed for this tube size. Caplugs® Evergreen manufactures to tight dimensional tolerances to ensure consistent rotor fit across all 1000 tubes in a bag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these tubes support regulatory traceability requirements for clinical labs?\u003c\/strong\u003e\u003cbr\u003eYes — each bag includes a lot number and manufacturing date, providing the documentation needed to satisfy CAP, CLIA, and ISO 15189 traceability requirements for consumables used in regulated testing environments.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"0.5 mL Conical Microcentrifuge Tubes with Tethered Cap, PP, Natural — 1000\/Bag\",\"sku\":\"2143403030E1\",\"mpn\":\"214-3403-030\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene (PP)\",\"color\":\"Natural\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"57.16\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these microcentrifuge tubes sterile?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — they are supplied non-sterile in sealed 1000\/Bag packaging. 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