{"product_id":"conical-microcentrifuge-tubes-0-5ml-red-ppc-2143425r80e1","title":"0.5 mL Microcentrifuge Tubes, Tethered Caps, PPC, Red — 214-3425-R80 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e0.5 mL Conical Microcentrifuge Tubes with Tethered Cap — PPC, Red, 1000\/Bag (214-3425-R80)\u003c\/h2\u003e\n\u003cp\u003eThese 0.5 mL conical microcentrifuge tubes feature a permanently attached tethered cap and molded graduation markings, making them a dependable choice for PCR preparation, DNA\/RNA extraction, enzyme reactions, and clinical microvolume sample processing. Constructed from polypropylene copolymer (PPC), which offers enhanced flexibility and impact resistance compared to standard PP homopolymer, the tubes resist cracking during high-speed centrifuge runs. Supplied non-sterile in sealed 1000\/Bag packaging, part number 214-3425-R80 delivers lot-to-lot dimensional consistency for reliable rotor fit across standard microcentrifuge platforms.\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\u003e214-3425-R80\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\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eMolded volume markings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene Copolymer (PPC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eRed\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\u003eBPA \/ Phthalate Free\u003c\/td\u003e\n\u003ctd\u003eYes\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\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 and enzyme reaction setup requiring precise microvolume containment\u003c\/li\u003e\n\u003cli\u003eDNA and RNA extraction workflows benefiting from low dead-volume conical geometry for complete pellet recovery\u003c\/li\u003e\n\u003cli\u003eCell pelleting and microvolume sample centrifugation at high speeds\u003c\/li\u003e\n\u003cli\u003eClinical and diagnostic labs processing small-volume specimens with lot-traceable consumables\u003c\/li\u003e\n\u003cli\u003eMulti-tube rack workflows where red color coding enables fast visual identification and sample-type differentiation\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 manufactured from BPA-free, phthalate-free polypropylene copolymer resin with lot-level quality controls that verify consistent conical geometry, wall thickness, and tethered cap hinge durability across every bag of 1000 tubes. LabSupplies.com is an authorized dealer shipping from USA inventory, with tiered volume pricing available for high-throughput clinical, research, and institutional procurement teams.\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 — they are supplied non-sterile in sealed 1000\/Bag packaging, which is appropriate for the vast majority of molecular biology, biochemistry, and general clinical workflows. If your protocol requires sterile tubes, please contact us for alternative options.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of polypropylene copolymer (PPC) over standard polypropylene?\u003c\/strong\u003e\u003cbr\u003ePPC offers greater flexibility and impact resistance than standard PP homopolymer, which reduces the risk of cracking or shattering during high-speed microcentrifuge runs — a meaningful benefit when processing irreplaceable samples.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill the tethered cap stay securely closed during centrifugation?\u003c\/strong\u003e\u003cbr\u003eThe cap is permanently attached via a flexible hinge and is designed to close securely for microcentrifuge use. As with any tethered-cap tube, verify your specific rotor and speed requirements against the tube's rated performance before running critical samples.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy are the tubes red, and does color affect performance?\u003c\/strong\u003e\u003cbr\u003eThe red color facilitates rapid visual tube identification and sample-type differentiation in multi-tube rack workflows — particularly useful in high-throughput labs running parallel assays. The color is integral to the PPC material and does not affect chemical compatibility or optical clarity for visual volume estimation via the molded graduation markings.\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, PPC, Red, 1000\/Bag — Caplugs® Evergreen 214-3425-R80\",\"sku\":\"2143425R80E1\",\"mpn\":\"214-3425-R80\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene Copolymer (PPC)\",\"color\":\"Red\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"59.99\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\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, which is appropriate for the vast majority of molecular biology, biochemistry, and general clinical workflows.\"}},{\"@type\":\"Question\",\"name\":\"What is the advantage of polypropylene copolymer (PPC) over standard polypropylene?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"PPC offers greater flexibility and impact resistance than standard PP homopolymer, which reduces the risk of cracking or shattering during high-speed microcentrifuge runs.\"}},{\"@type\":\"Question\",\"name\":\"Will the tethered cap stay securely closed during centrifugation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The cap is permanently attached via a flexible hinge and is designed to close securely for microcentrifuge use. 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