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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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Product Image-82050-406

Closures, Polyethylene, Greiner Bio-One

Supplier: Greiner Bio-One
Description: Greiner Bio-One closures are made of high-grade polyethylene and are available in many colors.

Product Image-25224-168

Spectra/Por® Magnetic Weighted Closures, Spectrum® Laboratories

Supplier: Spectrum Laboratories
Description: Closures feature imbedded fluoropolymer resin-coated magnetic weights

Small Business Enterprise

Product Image-25224-080

Spectra/Por® Universal Closures, Spectrum® Laboratories

Supplier: Spectrum Laboratories
Description: Nylon closures lock gently over rigid membranes such as cellulose ester (CE) and polyvinylidene fluoride (type F) tubing, providing a strong, leakproof seal

Small Business Enterprise

Product Image-25224-150

Spectra/Por® Weighted Closures, Spectrum® Laboratories

Supplier: Spectrum Laboratories
Description: Pressure-fitted with an acid-washed, stainless steel bar into the reverse side

Small Business Enterprise

Product Image-66014-397

Open-Top Polypropylene Screw Thread Caps, Kimble Chase

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

Product Image-89497-866

Dual Position Closure Caps, Globe Scientific

Supplier: Globe Scientific
Description: This dual position cap is produced from low density polyethylene (LDPE). It is ribbed for easy handling.

Product Image-89499-234

Microcentrifuge Septum Screw Caps Closure for Micrewtubes™ Centrifuge Tubes, Simport

Catalog Number: (89499-234)
Supplier: Simport Scientific
Description: The screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures

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Product Image-76003-514

Screw Caps for T501 Sample Tubes, Simport Scientific

Supplier: Simport Scientific
Description: Caps are available either with or without a silicone washer between the cap and the tube to ensure a positive leakproof seal at all temperatures.

Product Image-76184-792

Diamond™ Culture Tube Caps, Globe Scientific

Supplier: Globe Scientific
Description: These caps fit plain-end culture tubes and flasks with deLong style necks or ports.

Product Image-89201-960

VACUCAP™ Tube Closures, Simport Scientific

Supplier: Simport Scientific
Description: Economical, flexible closure to secure tubes use in multiple applications.

Product Image-33502-070

Screw Caps, Open Top, Chemglass

Supplier: Chemglass
Description: Open top polypropylene screw caps supplied with PTFE-faced silicone septa.

Small Business Enterprise

Product Image-25224-075

Spectra/Por® Closures for Dialysis Membrane Tubing, Spectrum® Laboratories

Supplier: Spectrum Laboratories
Description: These are used in combination with a standard closure for a vertical use of the dialysis tubing and a magnetic stirrer for continuous stirring of the tubing.

Small Business Enterprise

Product Image-89167-104

Closures, Polypropylene, Chemglass

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

Small Business Enterprise

Product Image-10028-190

Screw Caps for Sample Tubes, with O-Ring, Globe Scientific

Supplier: Globe Scientific
Description: All caps include an O-Ring to ensure a leak-tight seal at most temperatures.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Product Image-89209-806

Snap Caps for Blood Drawing Tubes, Globe Scientific

Supplier: Globe Scientific
Description: Snap-on closures are an effective way to recap blood drawing tubes, glass test tubes, and plastic culture tubes

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Product Image-10746-530

Plug Cap for Use with Beckman IDS Auto Track, 13mm, Globe Scientific

Catalog Number: (10746-530)
Supplier: Globe Scientific
Description: This plug cap is designed for use on the Beckman Coulter IDS Specimen Automation Track (2nd Generation)
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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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