You searched for: Test/Sample Tube Closures

Supplier: Corning

The CentriStar™ cap has a easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping.

Supplier: Thermo Fisher Scientific

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

Supplier: AZENTA US, INC

TPE septum caps are piercable, disposable, thermo plastic elastomer (TPE) caps designed for optimal seal quality.

Supplier: MP Biomedicals

Purple caps fit EMPTY FASTPREP® tubes and are used in fastprep systems, to hold sample for homogenization.

Supplier: MicroSolv Technology Corp

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

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.

Supplier: Thermo Fisher Scientific

Nalgene Closures with Color Coders are made of high density polyethylene, and have no O-ring to fall out or contaminate contents

Supplier: Air-Tite

These bulk syringe caps are very cost-efficient.

Supplier: Corning

Falcon® snap caps are designed for use with 12×75 mm test tubes

Supplier: Thermo Fisher Scientific

Nunc CryoTube colored caps are replacement polypropylene screw caps with a silicone gasket to provide the best seal

Supplier: Air-Tite

Cap off any of your Luer slip or Luer lock syringes with these cost-efficient, sterile caps.

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.

Supplier: PerkinElmer

The TrayCell™ caps are fiber-optic ultra-micro measuring cells designed for the UV/Vis analysis of DNA/RNA and proteins.

Supplier: SP Industries

Gas-tight NMR tube caps are ideal for experiments that require an air-tight environment under vacuum or low pressure less than 1 bar (14.5 psi).

Supplier: DWK Life Sciences (KIMBLE)

DURAN® Bromobutyl Rubber closures provide a gas tight seal for all GL45 laboratory bottles with sizes from 100 to 20000 ml. Bromobutyl rubber is essentially impermeable to most gases and provides a controlled environment inside the glass bottle for oxygen sensitive materials. Useful for maintaining anaerobic culture conditions. Butyl rubber allows for multiple punctures providing easy access to the contents with a syringe.

Supplier: Thermo Fisher Scientific

Simplify sample storage with these color-coded caps and inserts.

Supplier: Thermo Scientific

These snap caps eliminate crimping and decrimping of closures with easy to apply snap caps and also it provides a secure seal, minimizing evaporation even with volatile samples.

Supplier: Sorenson Bioscience

Polypropylene cap strips are ideal for real-time PCR applications

Supplier: Thermo Fisher Scientific

Pliable closures for use with evacuated blood collection tubes and glass and plastic test tubes

Supplier: Globe Scientific

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes.

Supplier: Globe Scientific

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes, and plastic culture tubes

Supplier: Simport Scientific

Made of thermoplastic elastomer, these disposable closures produce a firm, leak-resistant seal for glass and plastic tubes

Supplier: Globe Scientific

Polyethylene flanged plug caps provide exceptional leak-resistance in test tubes, centrifuge tubes, and round cuvettes

Supplier: Chemglass

The silicone sponge closure is manufactured with a sealed in .2 micron silicone sponge filter

Supplier: Globe Scientific

Offered in bright attractive colors for easy sample identification.

Supplier: Globe Scientific

Ideal for use with blood drawing tubes, glass test tubes, and plastic culture tubes

Supplier: Chemglass

Standard Cap for FlowTubes

Supplier: Globe Scientific

This line of polyethylene flanged plug caps provides exceptional leak-resistance in test tubes, centrifuge tubes, and round cuvettes.

Supplier: Thermo Scientific

Seal tubes tightly for storage

Supplier: Globe Scientific

These polyethylene plug caps are available in a selection of colors to facilitate sample identification.