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.
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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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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SP Wilmad-LabGlass Caps for Screw-Cap NMR Tubes, SP Industries
Supplier: SP Industries
Open Cap, for 4 & 5 mm Tubes, Thread Size: 8-425, Fits Tube with OD (mm): 3mm, 5mm, Save time and money with the Screw Cap EPR Tube; each come with a PTFE/Silicone Septum, Replacement Septa and Caps
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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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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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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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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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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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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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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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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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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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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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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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Snap Caps, with Single Thumb Tab, 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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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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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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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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Cuvette Cap, Square, Dynalon
Supplier: Dynalon
Cuvette caps, polyethylene dust covers fit most standard 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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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