Caps

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Greenwood

  • 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.

  • 9mm Caps with FKM Septa

    MicroLiter

    MicroLiter's 9mm caps are available in multiple colors and septa types.

  • 20mm Tear Away Crimp Seals

    MicroLiter

    MicroLiter offers products for both LC and GC applications.

  • SAFE® Push Cap Mats

    LVL technologies

    Closure System for 2D SAFE Tubes 96 SBS: Push or septum caps are the cheaper alternative to screw caps. They are usually used if storage is limited to a few years, the storage temperature does not fall below -80°C and the samples only have to be stored and not shipped. Through the -…

  • Ready assembled crimp closures/caps, N 8

    MACHEREY-NAGEL

    Ready assembled crimp closures N 8 Available with a broad variety of septa materials, most of them - aside from physical inspection - being tested analytically as well prior to assembly. Three-layer septum natural rubber / butyl / TEF or two-layer septum Red Rubber / FEP for routine analyses;…

  • 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…

  • 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.

  • 38-430 STARLINE CAP, PP BLU

    DWK Life Sciences (Wheaton)

  • 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…

  • 13mm Flanged Plug Cap

    Globe Scientific

    Plug cap, flanged. Fits most 13mm tubes Polyethylene (PE) Assorted colors available

  • 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.

  • Shimadzu GC Septa

    SGE

    All septa are made with a high grade silicone material to minimize needle coring.

  • 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.

  • Foam Plugs

    Azer Scientific

    Our autoclavable Foam Plugs fit both wide and narrow vials, as well as our drosophila bottles. Available in our signature Azer blue.

  • VersaCap Adapter Insert

    Foxx Life Sciences

    The 50mm closed adapter is designed to be used with the 50mm open VersaCap. It enables the user to change the top connections creating a closed system. The adapter is molded from USP Class VI, FDA Grade material, and is autoclavable. The adapter is designed to be leakproof and comes with a…

  • Precision Rubber Septa Caps

    Wilmad LabGlass

    Engineered for a "push on" fit in NMR tubes and ampules. The unique design provides a penetration point for cannulation and a dual seal inside the tube and on the outer sleeve. Will not break delicate, thin-wall tubing. Manufactured from one certified raw material formulation for absolute…

  • Screw Caps with O-Rings for Sample Tubes

    Globe Scientific

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

  • Solid Top Closures, PTFE lined

    J.G. Finneran

    White polypropylene closure, PTFE lined. For  Boston Round Glass Bottles,  See  1204X96 -  1204Y17

  • GL 45 Connection System

    DWK Life Sciences (Duran)

    Flexible modular system. Four different hose diameters (1.6 mm; 3.0 mm; 3.2 mm and 6.0 mm) can be connected. Sterile pressure equalization is possible through use of membrane filter. Unused ports can be provided with a blind cap.

  • 16mm Flanged Plug Cap

    Globe Scientific

    Fits most 16mm tubes Polyethylene (PE) Assorted colors available

  • SAFE® Manual 1-Channel Capper/Decappers

    LVL technologies

    Manual 1-Channel Capper/Decapper/Picker Can also be used as a picker Enables end-to-end handling (picking / rejection / decapping /capping) without direct contact with hands and thus, minimises the risk of contamination and heat transfer.

  • 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.

  • Black Phenolic Polyseal™ Cone Lined Caps

    Qorpak

    Black Phenolic Polyseal™ Cone Lined Caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding, and backing off.

  • Dual Position Snap Caps

    Globe Scientific

    These dual position caps are produced from low density polyethylene (LDPE) and is ribbed for easy handling. The cap is specially designed to provide aerobic or anaerobic storage of culture samples. When snapped into the tube, the cap provides a leak-resistant seal. Note: Leave the cap in the…

  • 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.

  • 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.

  • Universal Snap Caps

    Globe Scientific

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

  • Black Phenolic Screw Caps

    DWK Life Sciences (Wheaton)

    Tefon®-faced (14B) rubber liners Autoclavable caps are designed to ensure the ultimate in product safety. The liners are made of a nontoxic white styrene-butadiene rubber and are faced with Teflon® which offers excellent chemical resistance. They are available in convenient lab pack quantities…

  • 9mm R.A.M.™ Ribbed Polypropylene Open-Hole Cap

    J.G. Finneran

  • Crimp Seal Component Kits (with FEP/Butyl Septa)

    MicroLiter

    Component Kits offer easy visual reference of the items included in the kit. Crimp Seal tubes have caps that are color-coded to identify the septa installed in the crimp seals.

  • 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…

  • PYREX® Polyethylene Snap Caps

    Corning

    These blue PYREX® polyethylene caps provide an economical closure for some volumetric flasks (See Nos. 5580, 5581 and 5600).

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