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.

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.


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Supplier: SARSTEDT INC
Description: High-quality, safe, and robust containers and caps are essential for mixing, processing, and storing samples. As one of the world’s largest manufacturers of tubes and storage containers, SARSTEDT offers the right product for every laboratory and analytical requirement.

New Product

Catalog Number: (470112-976)
Supplier: United Scientific Supplies
Description: Secure caps to lids of microcentrifuge tubes with these autoclavable locks.


Supplier: Caplugs
Description: A variety of tube cap options to meet needs. Test Tube Caps are overfitting caps for use with culture tubes.

Supplier: Chemglass
Description: Closure offers two positions, open for gas exchange or closed for humidified environment.

Small Business Enterprise

Supplier: SARSTEDT INC
Description: High-quality, safe, and robust containers and caps are essential for mixing, processing, and storing samples. As one of the world’s largest manufacturers of tubes and storage containers, SARSTEDT offers the right product for every laboratory and analytical requirement.

New Product

Supplier: Simport Scientific
Description: These PP screw caps are to be used with T500 series internal thread sample tubes.
Catalog Number: (77588-152)
Supplier: SARSTEDT INC
Description: High-quality, safe, and robust containers and caps are essential for mixing, processing, and storing samples. As one of the world’s largest manufacturers of tubes and storage containers, SARSTEDT offers the right product for every laboratory and analytical requirement.

New Product


Supplier: DWK Life Sciences (KIMBLE)
Description: These KIM caps are designed to fit culture tubes with outer diameters ranging from 13 mm to 38 mm.
Supplier: DWK Life Sciences (KIMBLE)
Description: Caps have mineral-filled phenolic material to withstand the effects of repeated autoclaving.
Supplier: Globe Scientific
Description: An effective method to recap blood drawing tubes, glass test tubes, and plastic culture tubes

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Chemglass
Description: These 11mm Snap Caps™ can be snapped on and off by hand, eliminating the need for metal crimping and decapping tools, and reducing potential hazards due to sharp aluminum edges.

Supplier: EFD INC.- CUSTOMER SERVICE TE
Description: The Retainer system includes cartridges, pistons, outlet caps, end caps and retainers. For use with most assembly fluids and pastes. Sold individually.

Supplier: Watson Bio Lab
Description: Coloured screw caps for use with test tubes.

Supplier: Caplugs
Description: The MST™ flat top caps feature a flat head with a smooth surface.

Catalog Number: (490003-542)
Supplier: GeneMate
Description: Secure evaporation-resistant seal for strip tubes.


Supplier: Simport Scientific
Description: Six styles of caps to choose from and two sealing types: O-Ring seal and lip seal

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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The original product is no longer available. The replacement shown is available.
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