You searched for: 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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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® High Profile Closures with Color Coders for Micro Packaging Vials, Thermo Scientific

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

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Sterile Syringe Caps, Air-Tite Products

Supplier: Air-Tite

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

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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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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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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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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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Culture Tube Cap, Hach

Supplier: Hach

White cap for Culture Tube

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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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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 for Vials, Starplex Scientific

Supplier: Starplex

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

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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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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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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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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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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

Supplier: Sorenson Bioscience

Polypropylene cap strips are ideal for real-time PCR applications

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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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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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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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Caps for Flowtubes for Flow Cytometry Instruments, Chemglass Life Sciences

Supplier: Chemglass

Standard Cap for FlowTubes

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Plug Stoppers, 12 mm, Globe Scientific

Supplier: Globe Scientific

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

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Cuvette Cap, Square, Dynalon

Supplier: Dynalon

Cuvette caps, polyethylene dust covers fit most standard cuvettes.

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Screw Caps for GPI Screw Threads, Chemglass

Supplier: Chemglass

Thread Size: 15-425; Liner Type: Rubber. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.

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Cap for Sample Tubes,Tamper Evident, SIMPORT

Supplier: Simport Scientific

Caps made of PE feature a long skirt and a super-fast thread design allowing them to be removed or sealed with a single turn. Caps are designed with flexible sealing lip which provides leakproof seal.