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: MP Biomedicals
Description: Colored 2mL Screw Cap with O-Ring.
Supplier: Thermo Fisher Scientific
Description: Nunc CryoTube colored caps are replacement polypropylene screw caps with a silicone gasket to provide the best seal
Supplier: DWK Life Sciences (KIMBLE)
Description: Convenient pre-assembled caps and liners reduce the risk of contamination which makes this to use in autosamplers.

Supplier: Corning
Description: These Corning® polypropylene closures are designed for culture tubes and flasks.
Catalog Number: (89089-690)
Supplier: Corning
Description: The red Corning® polybutylene terephthalate (PBT) high temperature caps have a GL32 thread, and can be dry heat sterilized at up to 180 °C

Catalog Number: (60819-251)
Supplier: Corning
Description: Falcon® snap caps are designed for use with 12×75 mm test tubes

Catalog Number: (97051-404)
Supplier: MicroSolv Technology Corp
Description: Screw Caps have a partial precut Y shape slit to prevent evaporation of volatile samples before injection


Catalog Number: (76203-086)
Supplier: MP Biomedicals
Description: Green caps fit EMPTY FASTPREP® tubes and are used in fastprep systems, to hold sample for homogenization.


Supplier: Ace Glass
Description: These caps are for use with storage tubes

Product available on GSA Advantage® Small Business Enterprise

Catalog Number: (470203-048)
Supplier: DWK Life Sciences (KIMBLE)
Description: Polypropylene closures for 13 and 20 mm culture tubes.


Supplier: SP Industries
Description: 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).

Supplier: PERKINELMER U.S. LLC
Description: The TrayCell™ caps are fiber-optic ultra-micro measuring cells designed for the UV/Vis analysis of DNA/RNA and proteins.

Catalog Number: (89005-730)
Supplier: Corning
Description: These screw caps are used for 5/10 ml transport tubes.

Catalog Number: (97001-202)
Supplier: Air-Tite
Description: These bulk syringe caps are very cost-efficient.

Supplier: Thermo Fisher Scientific
Description: Simplify sample storage with these color-coded caps and inserts.

New Product

Catalog Number: (14234-786)
Supplier: Thermo Scientific
Description: These snap caps eliminate crimping and decrimping of closures with easy to apply snap caps and also it provides a secure seal, minimizing evaporation ...


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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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