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Bottle Caps

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 433 results
1

DWK Life Sciences DURAN™ Original Laboratory GL Bottle Screw Cap, Linerless Lip Seal, PP

Screw cap with reliable plug seal.

Promotions are available
EDGE
Description Screw cap
Quantity 10/Pk.
Material Polypropylene
Autoclavable Autoclavable
For Use With (Application) Autoclaving media and reagents; Short term sample and media storage; color coding and identification
2

DWK Life Sciences DURAN™ High Temperature Screw Cap, PTFE-Coated, Peroxide cured silicone, Red PBT

Screw cap with cap liner sealing and high temperature and chemical resistance.

Promotions are available
EDGE
Description Screw cap
Color Red
Closure Liner PTFE/Silicone
Quantity 10/Pk.
Screw Material Polybutylene Terephthalate (PBT) with glass fiber
Material PBT,ETFE,Fiberglass
Liner Material PTFE-coated Silicone
For Use With (Application) Autoclaving of media and reagents; Preparation of media and reagents; Suitable for dry heat sterilization; Pressure applications; Storage of corrosive reagents; Chemical and thermal reactions; Long term / archival storage of samples, media and reagents; Sampling; Transport and shipping
Closure Material PBT with Glass Fiber
3

DWK Life Sciences DURAN™ Screw Cap GL 45 with 2-hose connector

A resusable connector GL 45 cap with two ports for connecting tubing.

Promotions are available
EDGE
4

Fisherbrand™ Red PTFE-Coated Screw Caps. GL45

Fisherbrand™ Red PTFE-Coated Screw Caps are chemicaly inert and suitable for capping a variety of similarly threaded laboratory containers.

EDGE
5

DWK Life Sciences DURAN™ Open Topped Screw Cap, Central Aperture, Red PBT

PBT screw cap with an open top and high temperature and chemical resistance.

Promotions are available
Product Type Open Top Screw Cap
Color Red
Quantity 10/Pk.
Screw Material Polybutylene Terephthalate (PBT) with glass fiber
Material PBT
Autoclavable Autoclavable
For Use With (Application) Aseptic reagent delivery and culture sampling using a syringe and needle
Closure Material PBT with Glass Fiber
6

Pyrex Pyrex™ Polypropylene Screw Caps for Media-lab Bottle

Pyrex™ Polypropylene Screw Caps are ideal for media preparation work.

Promotions are available
EDGE
Material Polypropylene
Closure Type Screw Cap
Autoclavable Autoclavable
7

DWK Life Sciences DURAN™ Screw Connection Cap, GL 45, with 2 or 3 GL 14 ports, PP

Flexible 2 or 3 port GL 45 screw cap for connection cap system

Promotions are available
Thread Size (Metric) GL 45
Quantity 2/Pk.
Material Polypropylene,PTFE,Silicone
Autoclavable Autoclavable
For Use With (Application) Sterile fluid transfer in and out of lab bottles; Gas transfer in and out of lab bottles; Fluid transfer between lab bottles; Supply of reagents to instruments; Bioreactor supply
9

DWK Life Sciences Membrane Venting GL Screw Cap, Blue PP, Welded-in Expanded PTFE Membrane, Membrane for Pressure Equilisation During Autoclaving

Laboratory bottle screw caps for autoclaving and sterile storage of media.

Promotions are available
Quantity 5/Pk.
Material Polypropylene,ePTFE
Autoclavable Autoclavable
For Use With (Application) Pressure equalisation during steam sterilisation/autoclaving of media or buffers; Sterile gas exchange for aerobic microbial, shaker and suspension cell cultures; Autoclaving of media and buffers; Short-term storage of sterilised media; Storage of gas generating materials
10

DWK Life Sciences DURAN™ Multi-Connector Cap, GL 45, Tubing Connectors, for peristaltic tubing, 2, 3, 4, or 5 tubing connectors, Red PBT screw cap

2, 3, 4, or 5 peristaltic tubing connector caps for GL 45 DURAN™ bottles.

Promotions are available
For Use With (Application) Media supply for small bioreactors; Fed-batch bioreactor; Perfusion circuit for cell culture; Oxygenation/aeration of very small samples; Use in a chemistry micro-reactor
11

Pyrex™ Thermoplastic Polyester Screw Caps with PTFE-Faced Liner

Creates an effective seal while PTFE-faced liner protects against chemical attack. Pyrex™ Polyester Screw Caps with PTFE-Faced Liner are ideal for high temperature applications.

Description Screw cap
For Use With (Equipment) 1516, 1517, 1518, 1519 and 1520 series bottles
Color Red
Quantity 10/PK.
Material Thermoplastic Polyester
Closure Type Screw Cap
Autoclavable Not Autoclavable
Liner Material PTFE-faced
Sterility Dry Heat Sterilized
12

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
13

DWK Life Sciences DURAN™ HPLC Screw Cap, 4 Tubing Connectors, Blue, GL 45, PP

Screw cap for pressure and vacuum resistant bottle for HPLC applications.

14

DWK Life Sciences DURAN™ GLS 80™ screw cap with four ports

Flexible GLS 80™ cap connection system for use with pass through semi-rigid tubing.

Promotions are available
15

Fisherbrand White Polypropylene Cap with Insert

Top off alpha glass bottles with the Polypropylene Cap withInsert. The white unicap is tamper evident.

Product Type Cap
Color White
Screw Material Polypropylene
Closure Color White
Closure Material Polypropylene