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Tube Caps and Closures

Plugs and caps of various material compositions, sizes, colors, and closure types to fit a wide range of tube types; may be sterile, non-sterile, and/or autoclavable; may possess leak-preventing features including O-rings and cap liners.
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1 – 15 of 179 results
1

Labcon Overfit Caps for Culture Tubes

Secure, liquid-tight seal for plastic and glass culture tubes. Available in sizes that fit 10 mm, 12 mm, 13 mm, and 16 mm round bottom culture tubes.

EDGE
Disposable Single-use
Clean Claims ATP, RNase/DNase and Endotoxin Free (non-pyrogenic)
Pre-sterilized No
For Use With (Equipment) Culture Tubes
Product Type Overfit Cap
Packaging 1000/Bag, 10 Bags/Cs.
Certifications/Compliance ISO 9001:2015; FDA CFR21 GMP
For Use With (Application) Protocols that require centrifugation, agitation, and refrigeration
Autoclavable Not Autoclavable
Sterility Non-sterile
2
Promotions Available

Kartell™ Test Tube Caps

Reduce risk of sample contamination and spillage with a polyethylene constructed cap. Kartell™ Test Tube Caps are specially designed to accommodate both platic and glass test tubes.

Color Natural
Material Polyethylene
Certifications/Compliance CE/IVD
3

Bel-Art™ SP Scienceware™ Wilmad™ Disposable NMR Tube Caps, 5.0mm Dia.

Different colors help track samples based on various reference solvents.

Disposable Single-use
Product Type NMR Tube Cap
Closure Size 5 mm
Diameter (Metric) Outer 5.0 mm
Material EVA
For Use With (Application) NMR Spectroscopy
Sterility Non-sterile
4

Kartell™ Plastilab™ Test Tube Caps

Fits plastic or glass test tubes.

Product Type Test Tube Plug Cap
Certifications/Compliance CE Certified
5

GPE Scientific™ NorLoc™ NMR Tube Caps

GPE Scientific™ NorLoc™ NMR Tube Caps can be applied easily and quickly, increasing personal safety and saving valuable time.

Product Type NMR Tube Cap
Size 5 mm
Quantity 100/Pk.
6

Corning™ Black Phenolic Threaded Screw Caps with PTFE Liners

Made from fabricated specially formulated resin to resist the effects of temperature and steam in autoclaving. Corning™ Black Phenolic Threaded Screw Caps with PTFE Liners provide a highly inert sealing face.

EDGE
Product Type Screw Cap
Color Black
Tip Material PTFE, Rubber
Material Phenolic
Autoclavable Autoclavable
Liner Material PTFE
7

Fisherbrand™ Screw Caps for Disposable Glass Tubes

Phenolic caps have cemented-in rubber liners

Pre-sterilized No
Product Type Screw Cap
Autoclavable Autoclavable
Liner Material Rubber
Sterility Non-sterile
8

Axygen™ Screw Caps with O-rings

Select looped or non-looped format

Includes O-ring
For Use With (Equipment) Both skirted and non-skirted variations of the 0.5 mL, 1.5 mL, and 2 mL microcentrifuge tubes
Material Polypropylene
9

Labcon™ Flat Style Caps for 50 mL Centrifuge Tubes

These flat style caps for 50 mL centrifuge tubes come conveniently packed in bags.

EDGE
10

DWK LIFE SCIENCES™ KIMBLE™ KONTES™ NMR Sample Tube Caps

KIMBLE™ KONTES™ NMR Sample Tube Caps are tight-fitting polyethylene color caps sold in a convenient 100-cap variety pack. Designed for use with KONTES™ 5mm or 10mm NMR sample tubes, they stay in place even with a buildup of internal vaporization pressure.

Product Type Pressure Cap Variety Pack
Color Assorted
Material Polyethylene
For Use With (Application) Provides tight-fitting and stays in place even with a build-up of internal vaporization pressures
11

DWK LIFE SCIENCES™ KIMBLE™ KONTES™ NMR Polyethylene Sample Tube Pressure Caps for 3, 5 and 10mm Tubes

KIMBLE™ KONTES™ NMR Polyethylene Sample Tube Pressure Caps for 3, 5 and 10mm Tubes are tight-fitting polyethylene caps that stay securely in place even with a build-up of internal vaporization pressures. Available in assorted colors for easy sample identification.

Product Type Pressure Cap
Material Polyethylene
For Use With (Application) Provides tight-fitting and stays in place even with a build-up of internal vaporization pressures
12

Wheaton™ White Urea Screw Caps

Suitable for most applications that call for screw neck bottles. Wheaton™ White Urea Screw Caps are EPE lined.

Description Cap
For Use With (Equipment) Screw Thread Diagnostic Vials
Color White
Quantity 1000 Pack
Material Urea
Liner Material EPE
13

Fisherbrand™ Plastic Lock Bacti Caps

Made from chemically resistant virgin plastic, Bacti-Caps™ provide a firm, positive culture tube closure allowing a controlled gas interchange. They are ideal for use in science, research, and other laboratories.

14

Corning™ 50mL Centrifuge Cap
BIOPHARMA

The CentriStar™ Cap has a easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping. This leak-proof design comes with a revolutionary plug feature that virtually eliminates all see page when used under recommended conditions.

15

Kartell™ Stopper for Disposable Test Tubes

Kartell™ Stopper for Disposable Test Tubes provide a leakproof seal to the test tube, which decreases risk of spilling.