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Test/Sample Tube Closures


20,198  results were found
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.


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Supplier:  Corning
Description:   These Corning® polypropylene closures are designed for culture tubes and flasks.
Product available on GSA Advantage®
Supplier:  PERKINELMER U.S. LLC
Description:   The TrayCellâ„¢ caps are fiber-optic ultra-micro measuring cells designed for the UV/Vis analysis of DNA/RNA and proteins.
Supplier:  Thermo Fisher Scientific
Description:   Nalgene Closures with Color Coders are made of high density polyethylene, and have no O-ring to fall out or contaminate contents
Supplier:  Wilmad-LabGlass
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:  Corning
Description:   The CentriStarâ„¢ cap has a easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping.
Environmentally Preferable Product available on GSA Advantage®
Supplier:  DWK Life Sciences (KIMBLE)
Description:   Caps have mineral-filled phenolic material to withstand the effects of repeated autoclaving.
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:  Thermo Fisher Scientific
Description:   Nunc CryoTube colored caps are replacement polypropylene screw caps with a silicone gasket to provide the best seal
Supplier:  Thermo Fisher Scientific
Description:   The Thermo Scientific Nalgene HDPE closures for micro packaging vials have no o-ring to fall out or contaminate contents

Supplier:  MP Biomedicals
Description:   Colored 2mL Screw Cap with O-Ring.
Supplier:  MicroSolv Technology Corp
Description:   Screw Caps have a partial precut Y shape slit to prevent evaporation of volatile samples before injection
Supplier:  Thermo Fisher Scientific
Description:   Simplify sample storage with these color-coded caps and inserts.
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 even with volatile samples.
Supplier:  Wilmad-LabGlass
Description:   Manufactured from high quality polyethylene or ethylene vinyl acetate to ensure a tight seal.
Supplier:  AZENTA US, INC
Description:   TPE septum caps are piercable, disposable, thermo plastic elastomer (TPE) caps designed for optimal seal quality.
Supplier:  AZENTA US, INC
Description:   Tube screw caps are manufactured from high-quality virgin polypropylene and are designed for optimal seal quality and sample security.
Inquire for Price
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.
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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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