Caps

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  • 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…

  • 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.

  • PTFE Liners

    J.G. Finneran

  • 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

  • 22-400 CAP, PHEN BLK, POLY-SEAL PE CONE

    DWK Life Sciences (Wheaton)

  • Crimp Seal Component Kits (with PTFE/Silicone 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.

  • White PP Ribbed Cap 83-400

    Qorpak

  • 20-400 CAP, PP RED, OPN, UNLINED

    DWK Life Sciences (Wheaton)

  • 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.

  • Ready assembled screw closures/caps, N 13

    MACHEREY-NAGEL

    Ready assembled open and closed top black screw closures 13-425 and plain caps with no liner Closures available with a broad variety of septa materials For single septa, especially PTFE virginal septum, please see appropriate section Red Rubber / FEP septum for routine analyses; for more…

  • Polypropylene Open-Top Screw Caps

    DWK Life Sciences (Wheaton)

    Bonded Teflon®-Faced Silicone Liners White autoclavable open-top caps have a bonded Teflon-Faced Silicone Liner making them ideal for storage and retrieval of volatile solvents, sensitive compounds and corrosive chemicals. The liners consist of 0.055” of Silicone and 0.005” of…

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

    DWK Life Sciences (Kimble)

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

  • 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…

  • Orion Membrane Cap Kit For Do Probes

    Thermo Scientific Orion

    Reduce probe servicing time and eliminate assembly problems using Thermo Scientific™ Orion™ Membrane Caps for Polarographic Dissolved Oxygen Probe. Convenient screw-on membrane caps help ensure optimal probe performance

  • 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…

  • Flange Plug Caps

    Simport

    Made of polyethylene These caps have two flexible flanges to ensure a leakproof seal. They will fit into test tubes and also in round cuvettes and centrifuge tubes.

  • 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…

  • 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…

  • 13-425 CAP, PP WHT, POLY-VINYL LNR

    DWK Life Sciences (Wheaton)

  • Screw Caps for 50mL Tubes

    Evergreen Scientific

    Multiple Uses Ideal for general purpose laboratory work. The 30 ml tubes are also being incorporated as one of the leakproof primary containers in shipping infectious specimens. 30 ml tube with spork is widely used in parasitology specimen transport Leakproof screwcaps Vacuum-chamber…

  • Black Polypropylene Linerless Glass Dropper Assembly

    Qorpak

    Dropper Assemblies feature a glass tube with black polypropylene closure and rubber squeeze bulb. Tip opening has a 3.0mm outside diameter.

  • 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”…

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

    J.G. Finneran

    Bonded septa in the closure provides extra resealability.

  • Flask Caps

    Celltreat Scientific

    Solid or vent replacement caps for tissue culture and suspension culture flasks, packaged sterile (gamma irradiated) Vent caps feature 0.22um hydrophobic membrane for gas exchange Manufactured from medical grade virgin polyethylene (HDPE)

  • White Urea Screw Thread Caps

    DWK Life Sciences (Kimble)

    White urea PTFE-faced foam-backed rubber liner Ideal for use with scintillation vials

  • BiMetal Seals, Magnetic

    J.G. Finneran

    The BiMetal Seal is comprised of tin and aluminum materials. The outer surface (red or blue) is aluminum and the inner diameter is a silver tin.

  • Solid State NMR Cap Remover

    Wilmad-LabGlass - SP Scienceware

    One of the most challenging parts of a solid state NMR experiment is to remove the end cap or base plug. This Zero turn cap remover eliminates possible damage of the cap and rotor.

  • Screw Caps for Microtubes

    Globe Scientific

  • PPCO High Profile Closures with Color Coders for Micro Packaging Vials: Sterile,…

    Thermo Scientific Nalgene

    Reduce the risk of contaminating contents using Thermo Scientific™ Nalgene™ PPCO High Profile Closures with Color Coders for Micro Packaging Vials. Polypropylene copolymer closures have no o-ring to fall out and contaminate content, and they are offered in a variety of colors. …

  • Large Tin Capsule Kit

    PerkinElmer

    For Analysis of Nonvolatile Solid Samples Tin aids in the combustion of the sample. As it burns, tin releases heat, causing the sample to break down more quickly and more completely. Tin capsules are routinely used to analyze polymers, soils, coal, dry dairy products, plant leaves, paper, textiles,…

  • 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.

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