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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-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-25224-150

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-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-CA11028-672

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

Catalog Number: (CA11028-672)
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
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-76538-866

Translucent Snap Caps, Globe Scientific

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

Product Image-10855-936

Gold-Plated Liner Cap for Split/Splitless Injector, Restek

Catalog Number: (10855-936)
Supplier: Restek
Description: For use with split/splitless injectors on Thermo Scientific TRACE, 8000, 8000 TOP & Focus SSL.
Product Image-14229-978

µltraAmp™ PCR Cap Strips, Sorenson BioScience

Supplier: Sorenson Bioscience
Description: Polypropylene cap strips are ideal for real-time PCR applications

Product Image-CA89027-048

Wide-Mouth Spout Cap for 90 and 120 ml Containers, Starplex Scientific

Supplier: Starplex
Description: This semi-closed system is perfect for pouring specimens, reducing the risk of spilling and contamination

Product Image-76184-768

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-CA73960-138

VACUCAP™ Tube Closures, Simport Scientific

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

Product Image-76299-338

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-76514-460

Test Tube Caps, Caplugs

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

Product Image-10028-128

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.

Product Image-470112-976

Microcentrifuge Tube Lid Locks

Catalog Number: (470112-976)
Supplier: United Scientific Supplies
Description: Secure caps to lids of microcentrifuge tubes with these autoclavable locks.
Product Image-25224-137

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

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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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