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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 411 results
1

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

Screw cap with reliable plug seal.

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™ Open Topped Screw Cap, Central Aperture, Red PBT

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

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
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.

EDGE
4

DWK Life Sciences DURAN™ Original Laboratory GL Bottle Pouring Ring

Screw cap with reliable plug seal.

EDGE
Description Pouring ring
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
5

Fisherbrand™ Red PTFE-Coated Screw Caps

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

EDGE
6

Duran™ PTFE Screw Cap

Secure screw cap. DURAN™ PTFE Screw Cap has seal.

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

EDGE
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
8

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.

EDGE
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
9

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.

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
10

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.

11

DWK Life Sciences DURAN™ PURE Premium Screw Cap
BIOPHARMA

High-quality closures developed for the needs of the pharmaceutical and biotech industry

Color Clear
Quantity 5/Pk.
Material PFA,PTFE,Silicone
Autoclavable Autoclavable
For Use With (Application) Manufacturing of pharmaceutical drugs and biotech products; Storage and transport of APIs, bulk drug intermediates, ingredients and media
12

DWK Life Sciences DURAN™ Blanking Screw Cap, GL 14, Red PBT, with PTFE Cap Liner (GL 45 Connection Cap System Accessory)

Accessory for 2 or 3 port GL 45 connection cap system

EDGE
13

DWK Life Sciences DURAN™ GLS 80™ Screw Cap, Blue PP, Linerless Lip Seal

Blue PP GLS 80™ wide-mouth screw cap (plug seal) and drip free, PP pouring ring for GLS 80™ bottles

14

DWK Life Sciences Tamper Evident Screw Cap, Narrow Mouth, Blue PP, for Soda-Lime Glass Screw-Top Bottles

Tamper evident cap for narrow mouth/high form DIN soda lime glass bottle thread.

Description Tamper-evident screw cap
Quantity 10/Pk.
Material Polypropylene
Autoclavable Autoclavable
For Use With (Application) Storage of samples and reagents; Sample collection; Transport and shipping