Caps

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  • Pre-Assembled 9mm Closures

    labForce (a Thomas Scientific Brand)

    labForce Brand pre-assembled closures and septa come ready to use. Designed to work in robotic arm autosamplers. Select the closure and liner combination for your sampling requirements.

  • Diamond Culture Tube Caps

    Globe Scientific

    These popular 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…

  • Silicone Sponge Closures

    Bellco Glass

    For use with 18mm screw necks, 13-18mm Culture Tubes, 18-25mm Culture Tubes, 38mm Culture Tubes, 25-50ml Erlenmeyer Flasks, 125-300ml Erlenmeyer Flasks, 500-1000ml Erlenmeyer Flasks, 25-125ml DeLong Flasks and 250-6000ml DeLong Flasks. Sealed-in Silicone Sponge filters are the ideal for aerobic…

  • GL 45 Media Storage Bottle Caps

    DWK Life Sciences (Kimble)

    Caps are designed to fit GL 45 threaded ware. Autoclavable Solid top polypropylene Cap colors available in blue, white, orange, gray, green, or pink High-temperature version with red cap available

  • Stainless Steel Closures for Tubes

    Bellco Glass

    Excellent for Culture Tube and Flask Closures. 305 Stainless Steel, Non-Corroding. Lanced fingers grip firmly after repeated autoclaving.

  • 8-425 Screw Thread Caps with Inserted Septa

    National Scientific

    8-425 Screw Thread Caps with Inserted Septa Pre-assembled caps and septa are convenient and minimize contamination from handling Phenolic caps can be autoclaved Kim-Lok™ cap/septum assemblies feature a molded centering ring to eliminate septum movement during injection …

  • Corning Media Storage Caps

    Corning

    Caps fit Corning media bottles, Erlenmeyer flasks and spinner flasks with standard GL threads. Standard Plug Seal Caps are autoclavable and use a linerless plug seal design for efficient sealing. Pouring Rings fit on the lips of bottles for drip-free pouring. Autoclavable Vented Caps…

  • Septum Screw Cap for Microcentrifuge Tubes

    Simport

    Made of Polypropylene T347AQX screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures. The septum also acts as a silicone o-ring for better sample protection. It is…

  • GL Closures & Accessories

    DWK Life Sciences (Duran)

    Premium pour caps & ring Compound formulated without colour dye to avoid risk of leaching. Service temperature limit from –196°C to +200°C. Very high chemical resistance. High leak tightness through use of PTFE coated silicone seal. A matching TpCh260 pouring ring is also…

  • PTFE Cap Liners

    J.G. Finneran

    Solid virgin PTFE liners can be manually inserted into closure and maintains a snug friction fit. PTFE liners are also available in other sizes and thicknesses.

  • Black Phenolic Caps

    DWK Life Sciences (Kimble)

    Screw threads Choice of six liners

  • Black Phenolic Screw Caps

    DWK Life Sciences (Wheaton)

    These autoclavable caps are designed to ensure the ultimate in product safety. The liners are white styrene-butadiene faced with Teflon.

  • 12mm Flanged Plug Caps

    Globe Scientific

    Fits most brands of 12mm tubes Polyethylene (PE) Available in sorted colors

  • Target DP 9mm Vial Closures

    National Scientific

    National Target DP 9mm closures are designed to help chromatographers achieve more reliable and efficient sample analysis. Designed to accommodate nearly all chromatography autosamplers fitted for 12 x 32cm vial trays, the C5000 series closure effectively eliminates septa push-through and…

  • Preassembled R.A.M.™ 9mm Ribbed Screw Thread Cap with PTFE/Silicone Septa

    J.G. Finneran

    Preassembled closures and septa come ready to use. Designed to work in Agilent or other robotic arm autosamplers.

  • Black Phenolic Cap With PE Poly-Seal Liner

    DWK Life Sciences (Wheaton)

    Stress crack resistant Superior torque retention Excellent sealing characteristics Manufactured from LDPE. The unique cone design provides a wedge type seal that not only seals across the top but also across the inside diameter.

  • Falcon®Polystyrene Plug Seal Screw Caps for 50mL Conical Bottom Centrifuge Tubes

    Corning

    Falcon® polystyrene Plug Seal screw caps for 50mL centrifuge tubes are sterile. The caps are sold 50 per pack and 1,000 per case.

  • Screw Caps for Sample Tubes

    Globe Scientific

    For use with Globe Scientific's 6030 to 6059 sample tubes with external threads.

  • Preassembled R.A.M.™ 9mm Ribbed Screw Thread Cap with PTFE/Silicone/PTFE Septa

    J.G. Finneran

    Preassembled closures and septa come ready to use. Designed to work in Agilent or other robotic arm autosamplers.

  • Black Caps with PTFE-Faced Rubber Liners

    DWK Life Sciences (Kimble)

    Excellent for general laboratory use Specially formulated phenolic resin and liner adhesive to withstand the effects of repeated autoclaving PTFE-faced/general purpose white rubber liners are highly resistant to chemical effects Identified in ASTM Specification E982, Class A requirements

  • Disposable Aseptic Transfer Caps for Plastic Erlenmeyer Flasks

    Corning

    Corning® Erlenmeyer Flask Aseptic Transfer Caps are sterile (10 -6 SAL), individually double bagged and fit the 2L Corning® Polycarbonate Erlenmeyer flasks. These aseptic transfer caps can also be used on Corning 850 and 1700cm 2 plastic disposable roller bottles. Venting port…

  • Culture Tubes, KIM-KAP®, Polypropylene Closures, Autoclavable, Color Coded

    DWK Life Sciences (Kimble)

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

  • 12/13mm Santoprene Plug Caps

    Globe Scientific

    These pierceable caps are great for recapping vacuum blood tubes and test tubes. They are produced from santoprene (a rubberized material) and can easily be pierced with a syringe.

  • Accessories for Spectrophotometer Cuvettes

    Globe Scientific

    The 12-place cuvette holder is made from polyethylene (PE) and holds 12 cuvettes in place for preparation work, storage and protection from tipping over. When in storage, the racks are stackable. Dimensions: 170mm x 50mm x 15mm. The caps are produced from low density polyethylene (LDPE) and…

  • 33 mm Polyethylene Filling Caps

    Corning

    Sterilized by gamma irradiation 33 mm polyethylene threaded cap Thomas No. 1234H49 is a universal cap with a vented overcap designed to fit pre-existing filling systems for other product brands. Vented overcap has 1.0 µm PTFE membrane sealed into the peelable foil cover. 1234H51…

  • Septum Screw Cap for Sample Tubes

    Simport

    Made of Polypropylene T504AQX screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures. The septum also acts as a silicone O-ring for better sample protection. It is…

  • Threaded Closures for Dram Vials

    J.G. Finneran

    F217 is a triple layer liner that consists of a foamed polyethylene core between two layers of virgin low-density polyethylene. The liner is faced with another layer of PTFE (polytetrafluoroethylene). The lined polypropylene closures have excellent chemical resistance, a low moisture transmission…

  • Cryogenic Vial Cap Inserts

    Simport

    Color coded inserts fit precisely into the cap of the Cryovial® for color identification.

  • Screw Caps for 5.0mL MacrewTube™ Microcentrifuge Tubes

    Simport

    Screw cap for 5.0 ml MacrewTube™ Microcentrifuge tubes. Polypropylene. RNase, DNase, Pyrogen and DNA free. Autoclavable. Temp range +121 °C to -196 °C.

  • 16mm Santoprene Plug Caps

    Globe Scientific

    These pierceable caps are great for recapping vacuum blood tubes and test tubes. They are produced from santoprene (a rubberized material) and can easily be pierced with a syringe.

  • 9mm R.A.M.™ Caps with PTFE Liner

    J.G. Finneran

    Preassembled closures and septa come ready to use. Designed to work in Agilent or other robotic arm autosamplers.

  • Silicone Sponge Tapered Plug Closure

    Bellco Glass

    For use with 25mm Culture Tubes or 32mm Sidearms. Silicone Sponge Plugs are the ideal replacement for cotton plugs when working with aerobic cultures. They cut losses due to evaporation in half in comparison to cotton plugs, thus minimizing changes in pH values. They can be dry heat sterilized…

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