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.
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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Sample Storage Tube Caps, TPE Septum Caps
Supplier: AZENTA US, INC
TPE septum caps are piercable, disposable, thermo plastic elastomer (TPE) caps designed for optimal seal quality.
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Corning® Disposable Phenolic Threaded Screw Cap with Rubber Liners, Corning
Supplier: Corning
These disposable Corning® caps are made from phenolic resin and are autoclavable at 121°C
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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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FastPrep™ Tube Caps, MP Biomedicals, LLC
Supplier: MP Biomedicals
Colored 2mL Screw Cap with O-Ring.
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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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Corning® PBT GL 32 Caps, Corning
Supplier: Corning
The red Corning® polybutylene terephthalate (PBT) high temperature caps have a GL32 thread, and can be dry heat sterilized at up to 180 °C
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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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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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Bulk Syringe Caps, Non Sterile, Air-Tite Products
Supplier: Air-Tite
These bulk syringe caps are very cost-efficient.
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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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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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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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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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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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Caps for TrayCell™, PerkinElmer
Supplier: PerkinElmer
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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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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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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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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SAV-IT™ Closures, Porex Bio Products Group
Supplier: Thermo Fisher Scientific
Pliable closures for use with evacuated blood collection tubes and glass and plastic test tubes
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Translucent Snap Caps, 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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Pierce-It™ Closures, Simport
Supplier: Simport Scientific
Made of thermoplastic elastomer, these disposable closures produce a firm, leak-resistant seal for glass and plastic tubes
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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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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 for Sample Tubes, without O-Ring, Globe Scientific
Supplier: Globe Scientific
Offered in bright attractive colors for easy sample identification.
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Snap Cap for 12/13 mm Tubes, Globe Scientific
Supplier: Globe Scientific
Ideal for use with blood drawing tubes, glass test tubes, and plastic culture tubes
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Flanged Plug Caps, 16 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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Closures, Polyethylene, Greiner Bio-One
Supplier: Greiner Bio-One
Greiner Bio-One closures are made of high-grade polyethylene and are available in many colors.