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.
VWR®, Closures
Supplier: VWR Collection
These closures are suitable for test and culture tubes.
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VWR® Safe-T-Flex, Caps for Test Tubes
Supplier: VWR Collection
Safe-T-Flex caps feature a unique, flexible, over-locking design, locking securely on the outside of the tube lip and can be removed with one hand. A tight seal ensures sample integrity and prevents spillage or evaporation of serum samples. This special seal protects against the aerosols of highly infectious organisms such as TB and the HTLV-III virus. They are colour coded for easy specimen identification and to help guard against cross-contamination. The top of each cap can also be numbered or labelled with indelible ink. Self-locking cap holds firmly in any position and keeps contents secure while in transit. Liquid-tight seal withstands centrifugation, agitation, refrigeration and freezing.
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VWR®, Flat Screw Caps for Microcentrifuge Tubes
Supplier: VWR Collection
Flat screw cap with O-ring for microcentrifuge tubes, VWR®, Colour: Green
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J.T.Baker®, Caps for Microtube Racks
Supplier: Avantor
Strip of 8 plug caps, J.T.Baker®, Colour: Clear
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VWR® Screw Caps for Culture Tubes
Supplier: VWR Collection
Screw cap with bonded rubber liner, VWR®, Colour: Black, Thread: 13-415
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NMR sample tube caps, SP Wilmad-LabGlass
Supplier: SP Industries
Manufactured in ethylene vinyl acetate (EVA).
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Cap for cuvettes
Supplier: KARTELL
Cap for cuvettes, Cap, LDPE, for cuvettes with square opening, 10×10 mm, Kartell
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Caps, KIM-KAP™, disposable, KIMBLE®
Supplier: SCHERF PRAZISION
PP, coloured.
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Closures for screw thread disposable centrifuge tubes
Supplier: SCHERF PRAZISION
Black phenolic cap, cemented: PTFE faced, white rubber liner, 13-415
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Screw caps for high recovery vials, E-Z Ex-Traction™, WHEATON®
Supplier: DWK LIFE SCIENCES
Choice of black phenolic, white polypropylene or urea screw caps
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Thermo Scientific Nalgene Snap-On Centrifuge Tube PP Closures
Supplier: Avantor Fluid Handling
Pull tab makes it easy to remove.
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Corning Centrifuge Tube Caps and Lids
Supplier: Avantor Fluid Handling
Choose the cap that fits your application needs.
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CELLTREAT Scientific Products Tube Accessories
Supplier: Avantor Fluid Handling
Enhance the versitility of your applications with these CELLTREAT Scientific accessories.
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Caps, disposable, KIM-KAP®, KIMBLE®
Supplier: KIMBLEKONTES
These caps are designed to fit culture tubes with outer diameters ranging from 13 to 38 mm.
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Catalog #: 83639.320
Supplier: VWR Chemicals
Catalog #: 20864.320
Supplier: VWR Chemicals
Catalog #: 83640.320
Supplier: VWR Chemicals
Catalog #: 83645.320
Supplier: VWR Chemicals
Catalog #: 20060.320
Supplier: VWR Chemicals