{"product_id":"lab-vials-51686","title":"Microhematocrit Capillary Tubes, 100% Plastic — Red\/Green\/Blue, 1000\/Vial | Globe Scientific","description":"\u003ch2\u003eMicrohematocrit Capillary Tubes, 100% Plastic, Color-Coded — 1000 Tubes\/Vial\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific Microhematocrit Capillary Tubes\u003c\/strong\u003e are 100% plastic, shatter-resistant tubes engineered for safe packed-cell-volume (PCV) determination and capillary blood handling. Color coding by tube simplifies protocol identification at the bench, while the all-plastic construction eliminates the breakage and biohazard exposure associated with glass capillaries during fingerstick collection and centrifugation.\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\u003eMicrohematocrit Capillary Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\/Size\u003c\/th\u003e\n\u003ctd\u003eStandard microhematocrit format (~75 mm length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e100% Plastic, shatter-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClosure\/Cap\u003c\/th\u003e\n\u003ctd\u003eOpen-ended capillary (compatible with sealing clay)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGraduation\u003c\/th\u003e\n\u003ctd\u003eNone (read with microhematocrit reader)\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 tubes per vial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Colors\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003ePrice (per vial of 1000)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed Tip, Sodium Heparinized — Box of 1000\u003c\/td\u003e\n\u003ctd\u003e51686\u003c\/td\u003e\n\u003ctd\u003e$293.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen Tip, Ammonium Heparinized — Box of 1000\u003c\/td\u003e\n\u003ctd\u003e51684\u003c\/td\u003e\n\u003ctd\u003e$293.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlue Tip, Plain — Box of 1000\u003c\/td\u003e\n\u003ctd\u003e51680\u003c\/td\u003e\n\u003ctd\u003e$293.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMicrohematocrit (packed cell volume) determination after centrifugation\u003c\/li\u003e\n\u003cli\u003eCapillary blood collection from fingerstick or heelstick samples\u003c\/li\u003e\n\u003cli\u003eColor-coded sorting of patient or assay groups at the bench\u003c\/li\u003e\n\u003cli\u003ePoint-of-care hematology testing in clinical and research labs\u003c\/li\u003e\n\u003cli\u003eVeterinary PCV analysis on small-volume blood draws\u003c\/li\u003e\n\u003cli\u003eTeaching and training labs where glass breakage poses a safety risk\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eReagent Class\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers\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\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcohols\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003ePurchased through labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Each vial carries a lot number to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes across all three color SKUs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these capillary tubes heparinized?\u003c\/h3\u003e\n\u003cp\u003eThese tubes are the 100% plastic plain (non-heparinized) configuration. For anticoagulated capillary collection, confirm the required heparin-coated variant with our team before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhy choose plastic over glass microhematocrit tubes?\u003c\/h3\u003e\n\u003cp\u003eAll-plastic tubes are shatter-resistant, which reduces the risk of cuts and bloodborne-pathogen exposure during fingerstick collection and centrifugation. They are well suited to teaching labs and high-throughput settings.\u003c\/p\u003e\n\u003ch3\u003eHow are the tubes sealed before centrifugation?\u003c\/h3\u003e\n\u003cp\u003eOpen-ended microhematocrit tubes are typically sealed at one end with standard capillary sealing clay or putty prior to spinning, then read against a microhematocrit reader card.\u003c\/p\u003e\n\u003ch3\u003eWhat does the color coding indicate?\u003c\/h3\u003e\n\u003cp\u003eColor (red, green, or blue) is provided for visual identification and bench organization rather than a chemical additive designation. Choose colors to match your internal sample-tracking protocol.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Microhematocrit Capillary Tubes, 100% Plastic\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"Globe Scientific 100% plastic, shatter-resistant microhematocrit capillary tubes for packed cell volume determination. 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