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  • LabForce Screw Cap Microtubes

    labForce® (a Thomas Scientific Brand)

    …colors the labForce line of screw cap microcentrifuge tubes has an option for any customer need or preference.  The ultraclear, ultra-pure polypropylene plastic resin allows for easy sample visualization.  With an easy 3/4 turn to open and close caps, our tubes/caps are comfortable to work…

  • Polyethylene Stopper Caps

    Evergreen Scientific

    Polyethylene stopper caps to fit a variety of general purpose test tubes

  • Liquid Scintillation Vial Screw Caps

    DWK Life Sciences (Wheaton)

    Screw caps for Wheaton liquid scintillation vials Use as replacement caps or for vials that are provided without caps Choose the right size screw cap for your vial Select cap and liner material for your application Case of 1000 provides an economical alterative Not autoclavable

  • Matrix Screw Cap Tubes and Caps

    Thermo Scientific Nalgene

    Caps Closure Material: Virgin Class VI Medical Grade Polypropylene with Molded-in thermoplastic elastomer gasket Type: ScrewTop 2D Barcode Volume (Metric): 1.0mL Closure: Yes Description: V-Bottom ScrewTop Tubes Closure Color: Blue Autoclavable: Autoclavable (with cap

  • Closure 15-415 0

    DWK Life Sciences (Kimble)

    Closed top, linerless screw thread caps. Made of Polypropylene Economical, one-piece construction Unique design provides exceptional sealing properties Color: Natural GPI finish: 15-415 Autoclavable

  • CM-50 is one of the most compact and powerful micro-centrifuges available today. Its patented air cooling system and magnetic rotor cap guarantee exceptionally low sample heating, far surpassing the industry’s most stringent standards. This mighty mini-centrifuge spins down samples at 15,000…

  • Screw Caps for Microtubes

    Globe Scientific

  • Purchasing assembled bottles reduces sample contamination and streamlines ordering and inventory needs. Polycone caps seal the inner neck of the bottle when screwed in place.

  • 58-400 Redi-Cap, PP White, Fmd PE Liner

    DWK Life Sciences (Wheaton)

    Use these caps with WHEATON or other manufacturers# glass bottles or vials White polypropylene screw cap provides clear surface for writing on cap Foamed polyethylene liner provides chemical resistance for acids, alkalis, solvents, alcohols, oils, household cosmetics and aqueous products …

  • Amplifyt® PCR Strip Caps

    labForce® (a Thomas Scientific Brand)

    Available in 8 and 12 strip caps Available in both flat and dome caps Flat caps are optically clear for real-time PCR Tested to insure fit on both strip tubes and PCR plates Certified free of detectable RNase DNase, DNA, PCR inhibitors, and tested pyrogen-free

  • PPCO Centrifuge Bottles

    Thermo Scientific Nalgene

    …have excellent mechanical strength properties. For low to moderate speed centrifugation of biological and chemical samples Polypropylene sealing caps assemblies available for 250mL (DS3131-0038) and 1000mL (DS3132-0063) sizes for added leakproof assurance at higher speeds and fill volumes

  • MST™ Caps

    Evergreen Scientific

    All of our polyethelyene screw caps feature a molded-in sealing ring for a rim-seal that provides a leakproof closure without the use of a silicone gasket. Evergreen pioneered rim-seal caps in 1975. We have found that a properly designed rim-sealing cap is extremely effective in sealing small vials…

  • In addition to our standard black and white caps, we now offer our VOA Vial caps in a variety of Spring colors. This is an ideal way of color coding your samples.

  • Graduated Safelock cap Sterile or non-sterile Three capacities Graduated microcentrifuge tubes employ the Safelock cap, an advanced locking system for safe centrifuging, boiling, freezing, incubation or storage of samples. The cap snaps close and the lock slides into place in one…

  • Plug Caps

    Globe Scientific

    These polyethylene (PE) plug caps are designed in 11mm, 12mm, 16mm and 17mm sizes and are available in a selection of colors for sample identification.

  • White Polypropylene Screw Caps

    DWK Life Sciences (Wheaton)

    Bonded Teflon®-faced silicone liners White, autoclavable caps have a bonded Teflon-Faced Silicone Liner making them suitable for storage and containment of volatile solvents, sensitive compounds and corrosive chemicals.  The liners consist of 0.055” of Silicone and 0.005”…

  • Universal Snap Caps

    Globe Scientific

    Fits most 12mm, 13mm and 16mm plastic test tubes. Polyethylene Assorted colors available.

  • Biostor Microtubes

    E&K Scientific Products

    Taller caps are easier to handle, minimizing risk of contaminating tube.  Caps are offered in Natural or Rainbow Packs of 10 colors for easy identification by color-coding. Flexible ethylene/propylene "O"-ring is highly

  • Bouffant Caps


    …provides breathability while maintaining snug full coverage for the operators. The bouffant cap has a filament covered unexposed elastic edge design for secure fit and unexposed closure. All Valutek bouffant caps are tested and manufactured in ISO compliant facilities under individual inspection and…

  • Colored screw caps for micro tubes Types A - I; for custom coding.

  • Erase fatigue when opening and closing large numbers of microtubes.

  • Colored Polypropylene Caps

    DWK Life Sciences (Wheaton)

    Inner seal ring 45 mm size Caps have built-in, wedge-shaped sealing ring, eliminating the need for a liner. Use with Wheaton Lab 45® media bottles.

  • Bouffant Cap


    XtraClean™ disposable full coverage bouffant caps are made of lightweight and breathable fabric. Trimmed with a latex free elastic band for a comfortable snug fit. 100% virgin non-linting spunbonded polypropylene. Individually inspected for sizing, stitching and workmanship. Available in White…

  • CT™ Caps

    Globe Scientific

    Globe Scientific CT™ flange plug caps have extremely high tolerances and are specifically designed for use with CapTrack™. These caps provide superior leak resistance in all tubes processed by CapTrack™ which allows for the utmost confidence in sample integrity during handling…

  • …ease of measurement, observation, and test recording. Caps: These tubes are available with two styles of polyethylene screw-top caps: the advanced Corning CentriStar™ cap and the original plug seal cap. The CentriStar cap has an easy-on/easy-off flat top and offers advanced ergonomics…

  • …removed Cap colors match those on Vacutainer™ to prevent sample confusion Flexible plastic cap snaps tightly into place and creates a positive, liquid-tight seal. Fits over outside of tube, will not aerosol when opened. Holds fast when refrigerated or frozen. Resealable caps snap…

  • …it, immerse it in the vapor phase of liquid nitrogen-it’ll stand up to the test! Inside the screw cap, the ethylene propylene O-Ring forms a secure and leakproof seal. The screw cap’s square threads won’t strip-and they’re on the outside of the tube, so you minimize the risk…

  • 38-400 Redi-Cap, PP White, Fmd PE Liner

    DWK Life Sciences (Wheaton)

  • Sample Storage Caps

    National Scientific

    PTFE-lined Film/foam backing for broad chemical resistance Not autoclavable

  • BlueMAG™ Caps


    MicroLiter® BlueMAG™ caps uniquely designed for automated GC, GC-MS and LC-MS chromatography magnetic sample transport systems. A perfect fit for headspace sampling techniques to 130°C. Offering an innovative built-in steel overlay on the outside of the polypropylene screw closure. The…

  • Color-coded for easy sample identification Non-sterile Easy sample identification Packaged in a resealable pouch Cap inserts for cryogenic vials are color coded for easy sample identification. Non-sterile inserts are packaged in resealable bags.

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