You searched for: Closures

Whether protecting the sample from outside contamination or the workplace from the bottled toxic waste, closures guarantee tight and reliable seals. With a vast cap selection for best compatibility with any container, tailoring to specific contents is possible. Temperature resistant models allow any procedure to be completed safely. Available in different finishes, any sensitive chromatography sample is protected. The caps are easy to close with one hand and come in many colors to assist with identification.

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VWR® Lanced and Unlanced Cylindrical Closures, Stainless Steel

Supplier: VWR International

Non-contaminating, noncorrosive stainless steel cylindrical closures are available in lanced and unlanced formats.

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VWR® Caps for VWR® 9 mm Screw-Thread Vials

Supplier: VWR International

Chromatography vial closure, PP, Screw Caps, Septum: Red PTFE/White Silicone

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VWR® Screw Caps for 9 mm Screw-Thread Vials, Wide Opening

Supplier: VWR International

VWR®, Chromatography vial closure, PP, Ø: 9 mm, Screw caps with septa, Septum: Red PTFE/white silicone

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VWR® Screw Caps for 8-425 Screw-Thread Vials, Standard Opening

Supplier: VWR International

VWR®, Chromatography vial closure, PP, Screw caps with septa, Septum: Red PTFE/white silicone

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VWR® Screw Caps for 18 mm Screw-Thread Headspace Vials

Supplier: VWR International

VWR®, Chromatography vial closure, Steel, Magnetic screw caps, Septum: Gray PTFE/red butyl

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VWR® Pouring Ring for Bottles

Supplier: VWR International

Made from polyethylene.

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VWR® Standard Standard Sealed and Septum Caps

Supplier: VWR International

Caps are manufactured from medical grade, FDA approved, high-density polypropylene.

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EZwaste® HD 83 mm Cap Assembly for HPLC Solvent Waste, Carbon Air Filter, Foxx Life Sciences

Supplier: VWR International

This cap system allows for the safe and effective collection of waste in the laboratory

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VWR® Phenolic Bottle Caps, Black

Supplier: VWR International

VWR® Black Phenolic Caps provide a wide range of chemical compatibility and temperature tolerance with an assortment of liners to choose from.

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NALGENE® Polypropylene Filling/Venting Closures, Thermo Scientific

Supplier: Thermo Fisher Scientific

Polypropylene closures for aseptic liquid transfer of media, biological reagents, pure water, and chemicals

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Stainless Steel Closures, Ace Glass Incorporated

Supplier: ACE GLASS, INC.

These closures are designed for use with culture tubes and flasks and are available with or without gripping finger indents

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VWR® Caps

Supplier: VWR International

Safe-T-Flex caps feature a unique, flexible, over-locking design that locks securely on the outside of the tube lip and can be removed with one hand.

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VWR® Dual-Position Caps, PE

Supplier: VWR International

White caps for use with VWR® and most popular brand disposable culture tubes.

Sustainable Options Available

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NALGENE® Polypropylene Screw Closures, Thermo Scientific

Supplier: Thermo Fisher Scientific

Linerless closures are for use only with NALGENE® narrow- and wide-mouth bottles and Erlenmeyer flasks

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WHEATON® MicroLiter Screw Caps for Vials, DWK Life Sciences

Supplier: DWK Life Sciences (KIMBLE)

These screw-thread closures are available in different configurations.

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VWR® Plug-Type Caps, PE

Supplier: VWR International

Disposable caps are for 12 x 75 mm and 13 x 100 mm culture tubes.

Sustainable Options Available

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VWR® Flat Caps for Screw Cap Microtubes

Supplier: VWR International

Flat caps with O-ring for use with VWR® screw cap microtubes only (series 76417-xxx).

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Closures for Nalgene® Micro Packaging Vials, PPCO, Thermo Scientific

Supplier: Thermo Fisher Scientific

Sterile. High-purity, low metal-content polypropylene copolymer resin. Leakproof, threaded. Noncytotoxic and nonpyrogenic. Size: 11mm. Color: amber with no color coder. Meets FDA CFR21 177.1520 and USP Class VI criteria.

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Polypropylene Closures

Supplier: DWK LIFE SCIENCES S. DE R.L. DE MX

Polypropylene closures for 13 and 20 mm culture tubes.

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Nalgene® Top Works™ Aseptic Closure System, Silicone, for Bottles and Carboys, Thermo Scientific

Supplier: Thermo Fisher Scientific

Provides an aseptic seal for transferring high-purity fluids

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NALGENE® Polypropylene Screw Closures, Thermo Scientific

Supplier: Thermo Fisher Scientific

Caps for large NALGENE® bottles and carboys

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Spectra/Por® Closures for Dialysis Membrane Tubing, Spectrum® Laboratories

Supplier: REPLIGEN CORPORATION

These are used in combination with a standard closure for a vertical use of the dialysis tubing and a magnetic stirrer for continuous stirring of the tubing.