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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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1 – 15 of 186 results
1

Fisherbrand™ Replacement Cap for Glass Media Bottles

Fits GL45 screw thread

EDGE
2

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
3

Fisherbrand™ White Polypropylene Caps

White polypropylene screw caps provides clear surface for writing on cap

Product Type Lined Cap
Color White
Material Polypropylene
4

Fisherbrand™ White Polypropylene Caps

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

Color White
Material Polypropylene
5

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
6

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.

8

DWK Life Sciences Wheaton™ White Polypropylene Caps for Narrow-Mouth Containers

For use with Wheaton leak-resistant narrow mouth bottles

For Use With (Equipment) Redi-pak™ leak resistant narrow mouth bottle
Color White
Material Polypropylene
Certifications/Compliance ISO 9001
9

DWK Life Sciences Wheaton™ Polypropylene Caps for Wheaton Dropping Bottles - Red

Screw cap made of radiation grade polypropylene

Color Red
Material Polypropylene
Certifications/Compliance ISO 9001
11

Thermo Scientific™ Nalgene™ Closures for Dropper Bottles: Bulk Pack
GREENER_CHOICE

Order these closures, which are available in multiple colors to help identify reagents, to complete your dropper bottle system.

For Use With (Equipment) Dropper Bottles 312750 and 312751.
Product Type Dropping Bottle Screw Cap
Neck Finish 15-415
No. per Case 2000
Material Polypropylene
Certifications/Compliance Manufactured in compliance with ISO 13485:2003 quality requirements. Dropper Bottle Closures meet the requirements of 21CFR177.1520 for food and beverage use, USP Class VI.
No. per Pack 2000
Closure Material Polypropylene
Closure Included Yes
12

DWK Life Sciences Kimble™ Phenolic Caps with Taperseal Liners (Cone Shaped)

Provides excellent sealing capabilities in liquid applications; seal is made across the top and the inside diameter of the container.

For Use With (Equipment) Bottle
Product Type Phenolic Cap
Color Black
Closure Liner Taperseal
Material Phenolic Resin
14

DWK Life Sciences Wheaton™ Black Phenolic Screw Caps With PE Poly-Seal Liner

Unique cone liner design offers superior torque retention and excellent sealing characteristics

For Use With (Equipment) Bottle
Color Black
Closure Liner Polyethylene
Material Phenolic Resin
Certifications/Compliance ISO 9001
Closure Type Screw Cap
15

DWK Life Sciences Kimble™ Black Phenolic Unlined Screw Thread Closures with Open Tops

Open top closures providing excellent chemical resistance

For Use With (Equipment) Bottle
Color Black
No. per Case 144 Cs.
Material Phenolic Resin