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: DWK Life Sciences (KIMBLE)
Description: Economical, one-piece construction caps are autoclavable and designed from ASTM Specification E982

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: Chemglass
Description: 6058147

Supplier: Simport Scientific
Description: Dual position caps are suitable for use in both aerobic and anaerobic procedures.

Catalog Number: (30620-274)
Supplier: Dynalon
Description: Cuvette caps, polyethylene dust covers fit most standard cuvettes.


Supplier: Simport Scientific
Description: Caps made of PE feature a long skirt and a super-fast thread design allowing them to be removed or sealed with a single turn. Caps are designed with flexible sealing lip which provides leakproof seal.
Supplier: Globe Scientific
Description: These polyethylene plug caps are available in a selection of colors to facilitate sample identification.

Supplier: SARSTEDT INC
Description: SARSTEDT offers sample transport systems and secondary containers for a wide variety of transport requirements.

New Product

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: Chemglass
Description: Solid caps with PTFE liner, Plastic

Small Business Enterprise

Catalog Number: (10769-074)
Supplier: B Braun
Description: Ideal for capping Luer tip syringes.


Supplier: B Braun
Description: These sterile polyethylene caps are suitable for female Luer lock and male Luer lock closed tip connectors.
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: This line of polyethylene flanged plug caps provides exceptional leak-resistance in test tubes, centrifuge tubes, and round cuvettes.
Supplier: Jaece
Description: These plugs are made from recycled polyester.

Supplier: FIREFLYSCI, INC.
Description: Caps are made of polypropylene and are equipped with a poly-vinyl liner.

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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.
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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