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.
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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FastPrep™ Tube Caps, MP Biomedicals, LLC
Supplier: MP Biomedicals
Colored 2mL Screw Cap with O-Ring.
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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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Nalgene® HDPE High Profile Closures with Color Coders for Micro Packaging Vials, Thermo Scientific
Supplier: Thermo Fisher Scientific
The Thermo Scientific Nalgene HDPE closures for micro packaging vials have no o-ring to fall out or contaminate contents
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Screw Caps with Partial Slit Septa for 12×32 mm Vials, Microsolv Technology Corp
Supplier: MicroSolv Technology Corp
Screw Caps have a partial precut Y shape slit to prevent evaporation of volatile samples before injection
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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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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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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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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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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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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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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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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
Supplier: Thermo Fisher Scientific
Simplify sample storage with these color-coded caps and inserts.
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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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µltraAmp™ PCR Cap Strips, Sorenson BioScience
Supplier: Sorenson Bioscience
Polypropylene cap strips are ideal for real-time PCR applications
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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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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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Microcentrifuge Tube Lid Locks
Supplier: United Scientific Supplies
Microcentrifuge Tube Lid Locks
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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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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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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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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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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.