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.
Gold-Plated Liner Cap for Split/Splitless Injector, Restek
Supplier: Restek
For use with split/splitless injectors on Thermo Scientific TRACE, 8000, 8000 TOP & Focus SSL.
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Screw Caps, Firefly
Supplier: FIREFLYSCI, INC.
Caps are made of polypropylene and are equipped with a poly-vinyl liner.
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Spectra/Por® Universal Closures, Spectrum® Laboratories
Supplier: Spectrum Laboratories
Nylon closures lock gently over rigid membranes such as cellulose ester (CE) and polyvinylidene fluoride (type F) tubing, providing a strong, leakproof seal
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Closures, Polypropylene, Chemglass
Supplier: Chemglass
Closure offers two positions, open for gas exchange or closed for humidified environment.
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Microcentrifuge Tube Lid Locks
Supplier: United Scientific Supplies
Secure caps to lids of microcentrifuge tubes with these autoclavable locks.
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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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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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Test Tube Caps, Caplugs
Supplier: Caplugs
A variety of tube cap options to meet needs. Test Tube Caps are overfitting caps for use with culture tubes.
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Flanged Plug Caps, 12 mm, Globe Scientific
Supplier: Globe Scientific
This line of polyethylene flanged plug caps provides exceptional leak-resistance in test tubes, centrifuge tubes, and round cuvettes.
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Plug Stoppers, 16 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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Foam Plugs
Supplier: Jaece
Ideal for use with Drosophila vials or for culturing algae.
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Screw Caps, Open Top, Chemglass
Supplier: Chemglass
Open top polypropylene screw caps supplied with PTFE-faced silicone septa.
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Flanged Plug Caps, Tiered, 13 mm, Globe Scientific
Supplier: Globe Scientific
These polyethylene flanged plug caps provide exceptional leak-resistance in 13 mm test tubes, centrifuge tubes, and round cuvettes.
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Polypropylene Screw Caps, Linerless, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Polypropylene caps feature one-piece construction with a seal achieved by a unique interior design.
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Diamond™ Culture Tube Caps, Globe Scientific
Supplier: Globe Scientific
These caps fit plain-end culture tubes and flasks with deLong style necks or ports.
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CELCON® Compression Caps with Aperture, Chem-Thread, Chemglass
Supplier: Chemglass
Celcon® compression cap with listed hole size for chem-threads.
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SVL® Caps with Aperture, Chemglass
Supplier: Chemglass
Open top SVL® caps with aperture with sealing rings.
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Plug Cap for Use with Beckman IDS Auto Track, 13mm, Globe Scientific
Supplier: Globe Scientific
This plug cap is designed for use on the Beckman Coulter IDS Specimen Automation Track (2nd Generation)
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SVL® Solid Caps, With PTFE Protected Seals, Chemglass
Supplier: Chemglass
Solid SVL® caps with PTFE faced liner.
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Screw Caps for T501 Sample Tubes, Simport Scientific
Supplier: Simport Scientific
Caps are available either with or without a silicone washer between the cap and the tube to ensure a positive leakproof seal at all temperatures.
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Two-Position Snap Caps, Simport Scientific
Supplier: Simport Scientific
Dual position caps are suitable for use in both aerobic and anaerobic procedures.
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Flanged Plug Caps, Simport Scientific
Supplier: Simport Scientific
This line of polyethylene flanged plug caps provides exceptional leak-resistance in test tubes, centrifuge tubes, and round cuvettes.
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SIMPORT® Caps for Transport Tubes, Simport Scientific
Supplier: Simport Scientific
Designed for storage and transportation of biological material.
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Plug Type Push-in Caps, Simport Scientific
Supplier: Simport Scientific
Plug-type push-in polyethylene caps are designed for test tubes with an outside diameter of 12 mm. The 17 mm caps are designed for T408 centrifuge tubes.
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Microcentrifuge Screw Caps Closures for Micrewtubes™ Centrifuge Tubes, Simport
Supplier: Simport Scientific
Six styles of caps to choose from and two sealing types: O-Ring seal and lip seal
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VACUCAP™ Tube Closures, Simport Scientific
Supplier: Simport Scientific
Economical, flexible closure to secure tubes use in multiple applications.
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FitsAll™ Universal Caps, Simport Scientific
Supplier: Simport Scientific
Multiple use universal caps.
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Microcentrifuge Septum Screw Caps Closure for Micrewtubes™ Centrifuge Tubes, Simport
Supplier: Simport Scientific
The screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures
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Monoject™ Snap Caps, Covidien
Supplier: Cardinal Health
Monoject snap caps are ideal for resealing most evacuated glass or plastic blood collection tubes