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119 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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Stainless Steel Closures, Ace Glass Incorporated

Stainless Steel Closures, Ace Glass Incorporated

Supplier: Ace Glass

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

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SP Wilmad-LabGlass Gas-Tight Septum NMR Tube Caps, SP Industries

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).

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Green Caps, MP Biomedicals

Green Caps, MP Biomedicals

Supplier: MP Biomedicals

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

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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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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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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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DURAN® GL 45 Bromobutyl Rubber Stoppers, DWK Life Sciences

DURAN® GL 45 Bromobutyl Rubber Stoppers, DWK Life Sciences

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.

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Culture Tube Cap, Hach

Culture Tube Cap, Hach

Supplier: Hach

White cap for Culture Tube

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Falcon® Snap Caps for Test Tubes, Corning

Falcon® Snap Caps for Test Tubes, Corning

Supplier: Corning

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

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Polyethylene Plug Caps, Starplex®

Polyethylene Plug Caps, Starplex®

Supplier: Starplex

Nonsterile polyethylene plug style caps are designed for use with 5mL and 10mL vials

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Screw Caps, PerkinElmer

Supplier: PERKINELMER SCIENTIFIC CANADA ULC

Screw caps are available in a variety of different plastics and are compatible with screwthread vials.

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Screw Caps for Vials, Starplex Scientific

Supplier: Starplex

Polypropylene flat screw caps for 5ml/10ml vials.

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Nunc CryoTube Colored Caps, Thermo Scientific

Nunc CryoTube Colored Caps, Thermo Scientific

Supplier: Thermo Fisher Scientific

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

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Caps for TrayCell™, PerkinElmer

Supplier: PERKINELMER SCIENTIFIC CANADA ULC

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

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Snap Caps, Sun Sri

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.

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Thermo Scientific™ Matrix™ Screw Top Tube Caps, Cap Trays and Cap Inserts

Thermo Scientific™ Matrix™ Screw Top Tube Caps, Cap Trays and Cap Inserts

Supplier: Thermo Fisher Scientific

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

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µltraAmp™ PCR Cap Strips, Sorenson BioScience

µltraAmp™ PCR Cap Strips, Sorenson BioScience

Supplier: Sorenson Bioscience

Polypropylene cap strips are ideal for real-time PCR applications

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Purple Caps, MP Biomedicals

Purple Caps, MP Biomedicals

Supplier: MP Biomedicals

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

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Wide-Mouth Spout Cap for 90 and 120 ml Containers, Starplex Scientific

Wide-Mouth Spout Cap for 90 and 120 ml Containers, Starplex Scientific

Supplier: Starplex

This semi-closed system is perfect for pouring specimens, reducing the risk of spilling and contamination

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Snap Caps for Blood Drawing Tubes, Globe Scientific

Snap Caps for Blood Drawing Tubes, Globe Scientific

Supplier: Globe Scientific

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

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Snap Caps, with Single Thumb Tab, Globe Scientific

Snap Caps, with Single Thumb Tab, Globe Scientific

Supplier: Globe Scientific

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

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Microcentrifuge Tube Lid Locks

Microcentrifuge Tube Lid Locks

Supplier: United Scientific Supplies

Microcentrifuge Tube Lid Locks

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Cap Strips for Tubes, Molecular Bio Products

Supplier: Thermo Scientific

Seal tubes tightly for storage

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Silicone Sponge Closures, Chemglass

Silicone Sponge Closures, Chemglass

Supplier: Chemglass

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

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Tiered Plug Stopper Closures, Polyethylene, Globe Scientific

Tiered Plug Stopper Closures, Polyethylene, Globe Scientific

Supplier: Globe Scientific

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

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Snap Cap with Two Thumb Tabs, for 16 mm Tubes, Globe Scientific

Snap Cap with Two Thumb Tabs, for 16 mm Tubes, Globe Scientific

Supplier: Globe Scientific

An effective method to recap blood drawing tubes, glass test tubes, and plastic culture tubes

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Screw Caps for Sample Tubes, with O-Ring, Globe Scientific

Screw Caps for Sample Tubes, with O-Ring, Globe Scientific

Supplier: Globe Scientific

All caps include an O-Ring to ensure a leak-tight seal at most temperatures.

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Closures, Polypropylene, Chemglass

Closures, Polypropylene, Chemglass

Supplier: Chemglass

Closure offers two positions, open for gas exchange or closed for humidified environment.

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

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

Supplier: Spectrum Laboratories

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.

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