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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-548-0723

VWR® Safe-T-Flex, Caps for Test Tubes

Description: 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.
Catalog Number: 548-0723
UOM: 1 * 1.000 items
Supplier: VWR Collection
Product Image-525-1181

VWR®, Flat Screw Caps for Microcentrifuge Tubes

Description: Flat screw cap with O-ring for microcentrifuge tubes, VWR®, Colour: Blue
Catalog Number: 525-1181
UOM: 1 * 500 items
Supplier: VWR Collection

Environmentally Preferable


Product Image-211-0039

VWR®, Caps for Culture and Test Tubes

Description: Cap for culture and test tube, VWR®, Colour: Natural, Closure type: Dual position type, For tubes: 12 mm
Catalog Number: 211-0039
UOM: 1 * 1.000 items
Supplier: VWR Collection

Environmentally Preferable


Product Image-SIMPT500LOS

Screw caps for internal thread sample tubes

Description: These polypropylene screw caps are to be used with T500 series internal thread sample tubes.
Catalog Number: SIMPT500LOS
UOM: 1 * 1.000 items
Supplier: Simport Scientific
Product Image-45000-0006

J.T.Baker®, Caps for Microtube Racks

Description: Strip of 8 plug caps, J.T.Baker®, Colour: Clear
Catalog Number: 45000-0006
UOM: 1 * 120 items
Supplier: Avantor

Environmentally Preferable


Product Image-217-7005

VWR®, Closures

Description: These closures are suitable for test and culture tubes.
Catalog Number: 217-7005
UOM: 1 * 2.500 items
Supplier: VWR Collection

Certificates


Product Image-212-0857

VWR® Screw Caps for Culture Tubes

Description: Screw cap with seal liner, VWR®, Colour: Black, Thread: 15-415
Catalog Number: 212-0857
UOM: 1 * 250 items
Supplier: VWR Collection

Certificates


Product Image-BOHLD597-30

Laboratory screw joints with GL thread, BOLA

Description: Red screw cap made of glass-fibre reinforced ETFE, inner parts consisting of a v-ring (ETFE), a tapered ring and a sealing ring (both PTFE) as well as an o-ring (FKM) for tubing diameters under 3 mm, (not exposed to the medium). The medium is only exposed to PTFE.
Catalog Number: BOHLD597-30
UOM: 1 * 1 items
Supplier: Bohlender
Product Image-LUDI184010741

Caps for test/culture tubes without rim

Description: Made of anodised aluminium.
Catalog Number: LUDI184010741
UOM: 1 * 100 items
Supplier: LUDI
Product Image-731-0224

Mini tube systems (MTS) caps, Axygen®

Description: Axygen® mini tube systems are available in 8-cap or 12-cap strip format.
Catalog Number: 731-0224
UOM: 1 * 600 items
Supplier: Corning
Product Image-391-5906

Caps, LABOCAP, without grip

Description: Made of anodised aluminum with stainless steel spring clip.
Catalog Number: 391-5906
UOM: 1 * 10 items
Supplier: LUDI
Product Image-WHEAW242710

Screw caps for high recovery vials, E-Z Ex-Traction™, WHEATON®

Description: Choice of black phenolic, white polypropylene or urea screw caps
Catalog Number: WHEAW242710
UOM: 1 * 250 items
Supplier: DWK Life Sciences
Product Image-391-5930

Caps, LABOCAP, with grip

Description: Aluminium.
Catalog Number: 391-5930
UOM: 1 * 10 items
Supplier: LUDI
Product Image-SIMPT502DG

Screw caps for T501 sample tubes

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.
Catalog Number: SIMPT502DG
UOM: 1 * 1.000 items
Supplier: Simport Scientific
Image Unavailable-WILMTR-LS-01

NMR tube screw caps and septa, SP Wilmad-LabGlass

Description: Open cap for 4 and 5 mm tubes
Catalog Number: WILMTR-LS-01
UOM: 1 * 36 items
Supplier: SP Industries
Product Image-479-2048

Caps for storage tubes, 2D barcoded, Matrix®

Description: Simplify sample storage with these color-coded caps. Made from Virgin class VI medical grade PP with virgin class VI medical grade silicone O-ring.
Catalog Number: 479-2048
UOM: 1 * 500 items
Supplier: THERMO MATRIX TECHNOLOGIES

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