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Bottle Caps

Bottle caps provide an air-tight seal that ensures that a bottle’s contents are leak- and spill-proof, resistant to temperature and that the bottle can be moved. The most ubiquitous style is the threaded screw cap. Caps are available in different sizes and colors and can be specialized for the type of container they sit upon. Popular cap materials include phenolic plastic, polypropylene and PTFE. Bottle caps can be lined with additional material and can be found in solid design or open design, which calls for a septa or insert for complete closure.
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Keyword Search:
1 – 15 of 185 results
1

DWK Life Sciences Kimble™ GL 45 Clear Pour Ring
GREENER_CHOICE

Clear Polypropylene Pour Rings for use with GL 45 media bottles and flasks.

EDGE
Thread Size (Metric) GL 45
Max. Temperature (English) 140°C
No. per Case 10 Cs.
Material Polypropylene
2

Fisherbrand™ Black Smooth Sided Mineral Filled Phenolic Cap with Rubber Liner

This black phenolic screw cap has smooth sides and a rubber liner to ensure a tight seal.

3

Fisherbrand™ Black Phenolic Caps

Black phenolic screw cap with poly-seal liner is manufactured from low density polyethylene. For use with various Fisherbrand molded glass bottles

Closure Liner Polyethylene Cone
Closure Color Black
Closure Material Phenolic
4

Fisherbrand™ White Polypropylene Caps

White polypropylene screw caps provides clear surface for writing on cap

Product Type Lined Cap
Color White
Material Polypropylene
5

Fisherbrand™ White Polypropylene Caps

Fisherbrand™ White Polypropylene Caps include a clear writing surface for easy identification.

Color White
Material Polypropylene
7

DWK Life Sciences Wheaton™ 58-400 Polypropylene Caps, Unlined

Case of 1100 unlined white polypropylene caps for bottles with screw cap tops size 58-400.

8

DWK Life Sciences DURAN™ PURE GLS 80™ Screw Cap with PTFE-Coated Silicone Seal

High-quality DURAN™ PURE GLS 80™ Screw Cap developed for the needs of the pharmaceutical and biotechnology industries.

11

DWK Life Sciences DURAN™ Pouring Ring for Premium Screw Cap

PFA pouring ring for use with DURAN Premium Screw Cap. Permits drip-free pouring.

12

DWK Life Sciences DURAN™ Spare mixer screw cap GLS 80™ only

Easy to use GLS 80™ lab bottle based reactor system with tubing connectors for use with magnetic stirrers.

13

DWK Life Sciences DURAN™ Laboratory Tamper-Evident Screw Caps

Tamper-evident screw cap is available with lip seal or PTFE coated silicone seal. The integral plastic ring tears when the cap is first opened and is retained on the bottle neck. Therefore it can be clearly seen whether the bottle retains its original seal. After initial removal, can be used as normal screw cap.

14

Thermo Scientific™ Nalgene™ Polypropylene Fluid-Transfer Closure
GREENER_CHOICE

Perform fluid transfer in the lab or field with this 70mm closure compatible with Thermo Scientific™ Nalgene™ Mason Jars (Cat. No. 2115).