{"product_id":"lab-tubes-6059","title":"Sample Tubes, External Thread, Polypropylene — 1.2 to 5 mL, 16 Options, 1000\/Case | Globe Scientific","description":"\u003ch2\u003eExternal-Thread Polypropylene Sample Tubes, 1.2–5 mL, 1000\/Case\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific External-Thread Sample Tubes\u003c\/strong\u003e are molded from medical-grade polypropylene with a screw-style external closure, supporting sample aliquoting, long-term specimen storage, and routine reagent dispensing. External threads resist cross-threading and clear the tube interior, easing complete recovery of viscous or small-volume samples. Available across 1.2, 2, 3, 4, and 5 mL formats, each option ships 1000 tubes per case.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExternal-thread screw-cap sample tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e1.2 mL, 2 mL, 3 mL, 4 mL, 5 mL\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\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eExternal (male) thread, screw closure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eMolded graduations and writing area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile; autoclavable (121°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1000 tubes per case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 mL (6059) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6059\u003c\/td\u003e\n\u003ctd\u003e$452.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 mL (6058) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6058\u003c\/td\u003e\n\u003ctd\u003e$452.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 mL (6055) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6055\u003c\/td\u003e\n\u003ctd\u003e$439.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 mL (6054) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6054\u003c\/td\u003e\n\u003ctd\u003e$439.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 mL (6053) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6053\u003c\/td\u003e\n\u003ctd\u003e$404.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 mL (6052) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6052\u003c\/td\u003e\n\u003ctd\u003e$338.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 mL (6051) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6051\u003c\/td\u003e\n\u003ctd\u003e$338.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.2 mL (6050) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6050\u003c\/td\u003e\n\u003ctd\u003e$338.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 mL (6039) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6039\u003c\/td\u003e\n\u003ctd\u003e$312.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 mL (6038) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6038\u003c\/td\u003e\n\u003ctd\u003e$312.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 mL (6035) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6035\u003c\/td\u003e\n\u003ctd\u003e$298.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 mL (6034) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6034\u003c\/td\u003e\n\u003ctd\u003e$298.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 mL (6033) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6033\u003c\/td\u003e\n\u003ctd\u003e$277.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 mL (6032) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6032\u003c\/td\u003e\n\u003ctd\u003e$214.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 mL (6031) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6031\u003c\/td\u003e\n\u003ctd\u003e$214.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.2 mL (6030) — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e6030\u003c\/td\u003e\n\u003ctd\u003e$214.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAliquoting buffers, standards, and reagents for daily bench workflows\u003c\/li\u003e\n\u003cli\u003eShort- and long-term storage of biological specimens and extracts\u003c\/li\u003e\n\u003cli\u003eSample banking and biorepository archiving at refrigerated temperatures\u003c\/li\u003e\n\u003cli\u003eCollection and transport of small-volume liquid samples\u003c\/li\u003e\n\u003cli\u003eReagent preparation and dilution series in QC and research labs\u003c\/li\u003e\n\u003cli\u003eAutoclave-then-fill protocols requiring chemically inert vessels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\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\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\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\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Every case carries a lot number, supporting traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our team for volume quotes and standing-order arrangements.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these tubes autoclavable?\u003c\/h3\u003e\n\u003cp\u003eYes. Polypropylene construction tolerates standard autoclave cycles at 121°C, making the tubes suitable for sterilize-then-fill workflows.\u003c\/p\u003e\n\u003ch3\u003eWhat does \"external thread\" mean for these tubes?\u003c\/h3\u003e\n\u003cp\u003eThe threads are on the outside of the tube neck (male thread), so the cap seats over the rim. This keeps the interior wall smooth for cleaner sample recovery and reduces cross-threading.\u003c\/p\u003e\n\u003ch3\u003eAre the tubes supplied sterile?\u003c\/h3\u003e\n\u003cp\u003eThese are supplied non-sterile. Because they are autoclavable, labs can sterilize them in-house when sterile conditions are required.\u003c\/p\u003e\n\u003ch3\u003eHow many tubes are in each pack?\u003c\/h3\u003e\n\u003cp\u003eEach SKU is sold per case of 1000 tubes. Listed prices are per case; caps are included per the selected option.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific External-Thread Polypropylene Sample Tubes, 1.2–5 mL\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"External-thread screw-cap polypropylene sample tubes in 1.2, 2, 3, 4, and 5 mL formats, 1000 tubes per case. 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