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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 430 results
1
Promotions Available

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
Promotions Available

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.

EDGE
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
3
Promotions Available

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
4
Promotions Available

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.

EDGE
5
Promotions Available

DWK Life Sciences DURAN™ Screw Cap Open Top for Tube Connection, Blue, GL 14, Glass Re-enforced, PP (Screw Connection Cap GL 45 Accessory)

Accessory for 2 or 3 port GL 45 connection cap system

EDGE
6
Promotions Available

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.

EDGE
7

Fisherbrand™ White Polypropylene Caps

White polypropylene screw caps provides clear surface for writing on cap

Product Type Lined Cap
Color White
Material Polypropylene
8

Kautex™ Screw Closures

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

EDGE
Includes Tamper Evident Ring and Conical Seal
Product Type Screw Cap
Color Blue
9

Corning™ GL32 Orange Polypropylene Screw
GREENER_CHOICE

Use a linerless plug seal design for efficient sealing

10

Gravis Polypropylene Caps

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

EDGE
Product Type Screw Cap
Material Polypropylene
11
Promotions Available

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
12
Promotions Available

DWK Life Sciences DURAN™ High Temperature red EFTE Pouring ring, GL 32

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

EDGE
Description Pouring ring
Color Red
Quantity 10/Pk.
Screw Material ETFE
Material PBT,ETFE,Fiberglass
Autoclavable Autoclavable
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 ETFE
13
Promotions Available

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.

EDGE
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
14
Promotions Available

Thermo Scientific™ Heat-Shrink Bands for Nalgene™ PETG Media Bottles

Ensure the integrity of bottle contents with these tamper-resistant seals. Heat-shrink bands are gamma stable and include a perforated tear strip feature for easy removal.

EDGE
Product Type Heat-shrink Band
No. per Case 1000
Material PETG
No. per Pack 1000
15
Promotions Available

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
Includes GL 14 Insert
Thread Size (Metric) GL 45
Color Blue,Gray
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