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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 413 results
1

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
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.

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

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
4

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
5

Gravis Polypropylene Caps

Providing secure closure to a variety of bottle neck sizes. Gravis Polypropylene Caps are durable and provide excellent resistance.

Product Type Cap
Material Polypropylene
Closure Type Screw Cap
Closure Material Polypropylene
6

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

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
7

DWK Life Sciences DURAN™ Insert for Screw Cap GL 14, Silicone/PTFE (Screw Connection Cap GL 45 Accessory)

Accessory for 2 or 3 port GL 45 connection cap system

Thread Size (Metric) GL 14
Diameter (Metric) 87 mm
Quantity 1 Ea.
Material Polypropylene,PTFE
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 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

Kautex™ LDPE Screw Closure

Feature LDPE light weight, tough construction. Kautex™ LDPE Screw Closures are available in a wide variety of sizes for Kautex™ narrow and wide neck bottles.

Color Natural
Material LDPE
11

Kautex™ Screw Closures

Manufactured with polypropylene for excellent chemical resistance. Kautex™ Screw Closures are rugged caps designed for Kautex™ wide mouth HDPE bottles.

Includes Tamper Evident Ring and Conical Seal
Product Type Screw Cap
Color Blue
12

Kautex™ Black Polypropylene Screw Closures

EDGE
Product Type Screw Cap
Color Black
Material Polypropylene
Liner Material Polyethylene Foam Insert
13

Corning™ GL45 Polypropylene Screw Caps
GREENER_CHOICE

Linerless plug seal design for efficient sealing

Thread Size (Metric) GL 45
For Use With (Equipment) Storage bottle
Material Polypropylene
Closure Material Polypropylene
Sterility Non-sterile
14

DWK Life Sciences Wheaton™ Black Phenolic Screw Cap with PTFE-Faced Rubber Liner

Features PTFE faced (14B) styrene-butadiene rubber liner

For Use With (Equipment) Bottle
Color Black
Closure Liner PTFE/14B Rubber
Material Phenolic Resin
Certifications/Compliance ISO 9001
Autoclavable Autoclavable