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118 results for Closures

You searched for: Test/Sample Tube Closures

Test/Sample Tube Closures

Test tube closures ensure samples do not leak or are contaminated by providing a reliable seal. Securely mix or store small samples with these tops that allow one-handed sealing. Offered in a variety of colors, identification is made easier. Closures come in screw and snug-fit plug designs to fit any test tube opening style. Resistant to high temperatures, the versatile test tube closures can withstand heating applications while the chemical resistance guarantees limitless sample compatibility.

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VWR® Dual-Position Caps, PE

VWR® Dual-Position Caps, PE

Supplier: VWR International

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

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VWR® Flexible Safety Caps

VWR® Flexible Safety Caps

Supplier: VWR International

Safety caps provide a safe and economical way to cap and recap blood collection tubes and disposable glass culture tubes, regardless of manufacturer.

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VWR® Plug-Type Caps, PE

VWR® Plug-Type Caps, PE

Supplier: VWR International

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

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VWR® Lanced and Unlanced Cylindrical Closures, Stainless Steel

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® Flat Caps for Screw Cap Microtubes

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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VWR® Caps

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® Drosophila Vial Plugs, Cellulose Acetate

VWR® Drosophila Vial Plugs, Cellulose Acetate

Supplier: VWR International

Bonded dense-weave cellulose acetate plugs provide a better barrier to mites with minimal shedding.

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Foam Plugs, Azer Scientific

Foam Plugs, Azer Scientific

Supplier: VWR International

Dense foam plugs fits both wide and narrow drosophila vials and bottles.

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VWR® Customizable caps for Screw Cap Microtubes

VWR® Customizable caps for Screw Cap Microtubes

Supplier: VWR International

Customizable caps with O-ring, accept colorful cap inserts to organize samples or match kit branding. For use with VWR® screw cap microtubes only (series 76417-xxx).

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Screw Caps for Spectroquant® TOC Digestion, Merck Millipore
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Glass Storage Tube Caps, Standard Taper Outer Joint, Ace Glass Incorporated

Glass Storage Tube Caps, Standard Taper Outer Joint, Ace Glass Incorporated

Supplier: Ace Glass

These caps are for storage tubes

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Glass Storage Tube Cap with Glass Stopcock, Ace Glass Incorporated

Glass Storage Tube Cap with Glass Stopcock, Ace Glass Incorporated

Supplier: Ace Glass

These caps are for use with storage tubes

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Corning® Cap, Phenolic, PTFE Liner

Corning® Cap, Phenolic, PTFE Liner

Supplier: Corning

This cap is fabricated of a resin specially formulated to resist the effects of temperature and steam in autoclaving.

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Axygen® Mini Tube Systems (MTS) Caps, Corning

Axygen® Mini Tube Systems (MTS) Caps, Corning

Supplier: Corning

Axygen® mini tube systems are available in 8-cap or 12-cap strip format.

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Axygen® Microcentrifuge Screw Caps, Corning

Axygen® Microcentrifuge Screw Caps, Corning

Supplier: Corning

These caps are compatible with all Axygen Scientific screw top microcentrifuge tubes, including both skirted and nonskirted variations of the 0.5 ml, 1.5 ml, and 2 ml microcentrifuge tubes.

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Corning® PBT GL 32 Caps, Corning

Corning® PBT GL 32 Caps, Corning

Supplier: Corning

The red Corning® polybutylene terephthalate (PBT) high temperature caps have a GL32 thread, and can be dry heat sterilized at up to 180 °C

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KIMBLE® Open-Top Polypropylene Screw Thread Caps with Septa, DWK Lifesciences

KIMBLE® Open-Top Polypropylene Screw Thread Caps with Septa, DWK Lifesciences

Supplier: DWK Life Sciences (KIMBLE)

Convenient pre-assembled caps and liners reduce the risk of contamination which makes this to use in autosamplers.

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NALGENE® Centrifuge Tube Closures, Polypropylene, Thermo Scientific

NALGENE® Centrifuge Tube Closures, Polypropylene, Thermo Scientific

Supplier: Thermo Fisher Scientific

Friction-fit polypropylene closures designed for NALGENE® round or conical centrifuge tubes

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Corning® Disposable Phenolic Threaded Screw Cap with Rubber Liners, Corning

Corning® Disposable Phenolic Threaded Screw Cap with Rubber Liners, Corning

Supplier: Corning

These disposable Corning® caps are made from phenolic resin and are autoclavable at 121°C

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Axygen® Screw Caps for Transport Tubes

Axygen® Screw Caps for Transport Tubes

Supplier: Corning

These screw caps are used for 5/10 ml transport tubes.

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PYREX® Snap Caps, Polyethylene, Corning

Supplier: Corning

These blue caps provide an economical closure for certain volumetric flasks (see 29610-004 and -285 series).

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Micro Reaction Vial Caps, Ace Glass Incorporated

Micro Reaction Vial Caps, Ace Glass Incorporated

Supplier: Ace Glass

Threaded cap with or without drilled hole (solid) which includes PTFE faced silicone rubber septum and one o-ring for making “O-Ring-CAP-SEAL.” For use with Microscale Reaction Vials.

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FastPrep™ Tube Caps, MP Biomedicals, LLC

FastPrep™ Tube Caps, MP Biomedicals, LLC

Supplier: MP Biomedicals

Colored 2mL Screw Cap with O-Ring.

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SP Wilmad-LabGlass Disposable NMR Tube Caps, SP Industries

Supplier: SP Industries

Manufactured from high quality polyethylene or ethylene vinyl acetate to ensure a tight seal.

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Nalgene® HDPE High Profile Closures with Color Coders for Micro Packaging Vials, Thermo Scientific

Nalgene® HDPE High Profile Closures with Color Coders for Micro Packaging Vials, Thermo Scientific

Supplier: Thermo Fisher Scientific

The Thermo Scientific Nalgene HDPE closures for micro packaging vials have no o-ring to fall out or contaminate contents

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SP Wilmad-LabGlass NMR Tube Caps, PTFE, SP Industries

Supplier: SP Industries

The PTFE NMR tube caps are machined to exact specifications with a smaller gyroradius and more homogeneous mass distribution than disposable caps for better spinning stability.

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SP Wilmad-LabGlass Caps for Screw-Cap NMR Tubes, SP Industries

Supplier: SP Industries

Open Cap, for 4 & 5 mm Tubes, Thread Size: 8-425, Fits Tube with OD (mm): 3mm, 5mm, Save time and money with the Screw Cap EPR Tube; each come with a PTFE/Silicone Septum, Replacement Septa and Caps

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Screw Caps with Partial Slit Septa for 12×32 mm Vials, Microsolv Technology Corp

Screw Caps with Partial Slit Septa for 12×32 mm Vials, Microsolv Technology Corp

Supplier: MicroSolv Technology Corp

Screw Caps have a partial precut Y shape slit to prevent evaporation of volatile samples before injection

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Corning® Polypropylene Closures, Corning

Supplier: Corning

These Corning® polypropylene closures are designed for culture tubes and flasks.

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Polypropylene Closures

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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