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.
Closures, Polypropylene, Chemglass
Supplier: Chemglass
Closure offers two positions, open for gas exchange or closed for humidified environment.
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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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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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Microcentrifuge Tube Lid Locks
Supplier: United Scientific Supplies
Secure caps to lids of microcentrifuge tubes with these autoclavable locks.
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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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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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Snap Cap with Two Thumb Tabs, for 13 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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Luer Lock Caps for Syringes, B. Braun
Supplier: B Braun
These sterile polyethylene caps are suitable for female Luer lock and male Luer lock closed tip connectors.
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Open-Top Polypropylene Screw Thread Caps, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Economical, one-piece construction caps are autoclavable and designed from ASTM Specification E982
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Spectra/Por® Weighted Closures, Spectrum® Laboratories
Supplier: Spectrum Laboratories
Pressure-fitted with an acid-washed, stainless steel bar into the reverse side
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Spectra/Por® Magnetic Weighted Closures, Spectrum® Laboratories
Supplier: Spectrum Laboratories
Closures feature imbedded fluoropolymer resin-coated magnetic weights
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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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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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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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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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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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Screw Caps, Firefly
Supplier: FIREFLYSCI, INC.
Caps are made of polypropylene and are equipped with a poly-vinyl liner.
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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
Supplier: Globe Scientific
An effective method to recap blood drawing tubes, glass test tubes, and plastic culture tubes
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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.
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Screw Caps for Internal Thread Sample Tubes, Simport Scientific
Supplier: Simport Scientific
These PP screw caps are to be used with T500 series internal thread sample tubes.
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KIM-KAP® Caps, Disposable, Polypropylene, Kimble Chase
Supplier: DWK LIFE SCIENCES S. DE R.L. DE MX
These KIM caps are designed to fit culture tubes with outer diameters ranging from 13 mm to 38 mm.
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Phenolic Screw Thread Closure, Kimble Chase
Supplier: VWR
Caps have mineral-filled phenolic material to withstand the effects of repeated autoclaving.
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Screw caps for Microcentrifuge Tubes, Globe Scientific
Supplier: Globe Scientific
These screwcaps for microcentrifuge tubes are suitable for all Globe Scientific screw top microcentrifuge tubes.
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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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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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Corning® Advanced Polyethylene CentriStar™ Caps for Centrifuge Tubes
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.
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Plug Cap, 11 mm, Globe Scientific
Supplier: Globe Scientific
Globe Scientific's polyethylene plug caps feature an 11mm diameter, and are available in a natural color for sample identification.
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Caps for NMR Sample Tubes, Chemglass
Supplier: Chemglass
Made from polyethylene, these caps are sized to fit 5mm O.D
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Phenolic Screw Caps with Rubber Liner, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Phenolic cap material and cemented-in rubber liner are resistant to the effects of repeated autoclaving