Test Tube Closures

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Test Tube Closures
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  • Diamond Culture Tube Caps

    Globe Scientific

    …caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification and organization. Recommended tube diameter is indicated on…

  • SAV-IT™ Closures

    Thermo Scientific

    tubes and glass and plastic test tubes. They protect from contamination and prevent evaporation. Closure will not crack or pop off. Seals inside test tube or over tube rim. The 12mm and 13mm closures seal over the rim of either 12mm or 13mm tubes, and when reversed seal inside 10mm tubes. The…

  • 16mm Snap Cap for Tubes

    Globe Scientific

    …glass tubes Fits most 16mm glass evacuated blood collection tubes Thumb tab for easy removal Polyethylene (LDPE) 1000 caps per sealed bag Assorted colors available These colorful snap on closures are an effective way to recap 16mm blood drawing tubes and glass test tubes. They are…

  • For culture tubes and flasks with DeLong®-style necks and ports Molded pressure fins for firm grip Manufactured from non-toxic, autoclavable polypropylene Seven colors for easy identification Six sizes from 13 to 38 mm Same evaporation and sterility characterisitcs as…

  • Ultra-High-Speed 15mL & 50mL Polypropylene Centrifuge Tubes

    labForce® (a Thomas Scientific Brand)

    …Science SM - Tubes are manufactured in a class 100,000 clean room, gamma irradiated to SAL 10 -6 , and are certified to be free from DNase, RNase, Human DNA, Pyrogens, and Endotoxins, giving you peace of mind to know they meet the requirements for the most critical scientific testing methods …

  • 16mm Snap Caps

    Globe Scientific

    These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in…

  • Color Coded - natural, red, green, yellow and blue

  • 12/13mm Snap Cap for Tubes

    Globe Scientific

    tubes Fits most 12mm plastic culture tubes Thumb tab for easy removal Polyethylene (LDPE) 1000 caps per sealed bag Assorted colors available These colorful snap on closures are an effective way to recap 13mm blood drawing tubes, glass test tubes and most 12mm plastic culture tubes.

  • Kim-Kap Test Tube Caps

    DWK Life Sciences (Kimble)

    Polypropylene closure Autoclavable Natural For use with the KIM-RAK or other disposable culture tubes.

  • Color Coded - natural, red, green, yellow and blue

  • Foam plugs for all size test tubes and laboratory flasks Identi-Plugs® are for use with test tubes and flasks. They are reusable and leave no clinging fibers like cotton plugs. They provide a snug fit, yet permit free air flow. Plugs are ideal for use with Drosophila vials. They spring…

  • 15mL test tubes with blue quick closure screw caps (PE), leakproof, and suitable for centrifugation. The design of the cap avoids any contamination due to drops of liquid on the inner surface. Case of 100.

  • Polyethylene Stopper Caps

    Evergreen Scientific

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

  • …clear, without compromising centrifugal strength (tested up to 28,000xg) or the usable temperature range (-90°C to +121°C). The oversized tube cap (with frosted marking surface), combined with the unique ring & groove closure, enhances the security of the liquid-tight seal, while…

  • Scintillation Vials

    Globe Scientific

    …degree of resistance to organic solvents and sufficient translucence so that reagent levels can be easily seen. The unique thread design of the closure permits the vial to be sealed tight with an easy 1/4 turn and with minimum pressure. The 6.5mL Scintillation Vials are securely sealed by…

  • Made of polyethylene An economical way to recap blood drawing tubes, disposable glass test tubes and plastic culture tubes. Flexible VACUCAP™ closures protect from aerosols of highly infectious microorganisms. They guard samples against cross-contamination and laboratory work areas…

  • 12/13mm Snap Caps

    Globe Scientific

    These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in…

  • …Color-coded; helps prevent cross-contamination and ensure sample integrity Sizes 10, 12, 13, and 16 mm fit all varieties of test, blood collecting and culture tubes Can be used to recap Vacutainer™ after the original rubber stopper is removed Cap colors match those on…

  • For 9195R10 series plant tissue culture tubes Autoclavable caps available in natural or orange color. Two positions: closed, for humidified environments; and open, for gas exchange. Drip ring minimizes contamination. Flexible interval ribs hold cap firmly in place.

  • Polypropylene tubes Without caps. Packaged in a case of 1,000.

  • …culture tubes are ideal for plant tissue culture and general culture work. The flat bottom facilitates use with agar slants. Walls and bottoms are of uniform thickness. The tubes are rimless for greater convenience in plugging and rack storage. Optional polypropylene two position closures (Thomas…

  • …for easier retrieval from rotor cavities Economical choice—may also be used as test tubes Longer lasting than polycarbonate tubes under conditions of repeated autoclaving Ordering Information: Supplied without closure; friction-fit closures available separately (DS3111-series).

  • …for better rotor fit and force tolerance Economical choice — may also be used as test tubes Longer-lasting than polycarbonate tubes under conditions of repeated autoclaving Autoclavable Supplied without closure; friction-fit closures available separately (DS3111-series).

  • Closure System for 2D SAFE® Tubes: Screw Caps IT: To guarantee a tight sealing between Screw Cap and Tube, LVL uses a TPE compression, which forms an indissoluble unit with the polypropylene of the screw cap in the two-component process. The result: the leak-tightness of the tubes was…

  • BD offers a wide array of tubes to meet your specialty testing requirements. 10.0mL, 16 x 100mm Glass with Silicone Coated K3EDTA (12.15 mg), Red Conventional Closure, Paper Label 7.0mL, 13 x 100mm Glass with Silicone Coated K3EDTA (12.15 mg),…

  • These disposable Corning® caps are made from phenolic resin and are autoclavable at 121°C. Caps are provided with a white rubber liner.

  • As supplied with 9212K21 series test tubes, with Teflon over-liner Cap size shown is GPI thread-finish

  • Heavy wall with lip for crown cap closure. Approximately 100mL capacity, 38mm O.D. x 17.8cm long.

  • Heavy wall with lip for crown cap closure. Used for polymerization and analysis of halogens by thermal decomposition in the presence of lime. O.D., all sizes, 25.4mm.

  • …expensive production methods such as deep-drawn aluminum tubes. An oblique angle conical bottom provides a better impact surface than the rounded bottoms of deep-drawn tubes. The stainless steel threaded cap provides a leak-proof closure without the energy-robbing alternatives like plastic flange…

  • …expensive production methods such as deep-drawn aluminum tubes. An oblique angle conical bottom provides a better impact surface than the rounded bottoms of deep-drawn tubes. The stainless steel threaded cap provides a leak-proof closure without the energy-robbing alternatives like plastic flange…

  • Microcentrifuge Tubes, Conical

    NEST Scientific USA

    …leakproofness: The flexible O-ring in the screw cap ensures safe closure of the micro spiral vial and a sound sealing effect. It meets ADR & IATA standards, and is free of liquid leakage during negative pressure 0.95bar test. Upgraded centrifugal force: Maximum resistance to the centrifugal…

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