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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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31 – 45 of 1,301 results
31

DWK Life Sciences Kimble™ Blue Polypropylene Cap
GSA_VA GREENER_CHOICE SDP

Durable, screw-thread caps provide secure closure

EDGE
32

DWK Life Sciences Wheaton™ White Polypropylene Screw Caps with bonded PTFE Faced Silicone Liner for E-Z Ex-Traction™ Vials
GSA_VA SDP

PTFE faced silicone liner ideal for storage and containment of volatile solvents, sensitive compounds or corrosive chemicals

EDGE
Color White
Closure Liner PTFE/Silicone
Material Polypropylene
Certifications/Compliance ISO 9001
Autoclavable Autoclavable
33

DWK Life Sciences Wheaton™ BOD Bottle Cap
SDP

For use with Wheaton 60 and 300mL BOD bottles and 300mL Black Borosilicate BOD bottles

EDGE
34

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures: Bulk Pack
GREENER_CHOICE

Eliminate spills with these one-piece, colored, polypropylene closures, which fit narrow-mouth 4mL bottles.

EDGE
Height (Metric) 8 mm
Shape Round
Description Nalgene Colored Closures
Thread Size (Metric) 13-415
No. per Case 2,000
Material Polypropylene
For Use With (Equipment) Nalgene narrow-mouth 4mL bottles
Product Type Screw Cap
Diameter (Metric) 16 mm (Outer)
Mouth Narrow
Packaging Bulk
Certifications/Compliance Manufactured in compliance with ISO 13485:2016 quality requirements. Closures meet FDA CFR21 177.1520 for food and beverage use, USP Class VI. Meet the requirements of light-resistant containers per USP latest edition when used with opaque bottles.
No. per Pack 2000
Liner Material Unlined
Height (English) 0.315 in.
35

Thermo Scientific™ Nalgene™ Carboy Replacement Screw Closures and Gaskets
GSA_VA GREENER_CHOICE

Secure-fitting Thermo Scientific™ Nalgene™ Replacement Screw Closures and Gaskets for Nalgene Carboys provide leakproof† service

EDGE
Color White
36

Corning™ Black Phenolic Threaded Screw Caps
GREENER_CHOICE

Resist effects of temperature and steam in autoclaving

EDGE
Product Type Screw Cap
Color Black
Material Phenolic Resin
Liner Material Rubber
37

DWK Life Sciences DURAN™ GL 45 Screw Caps for Laboratory Glass Bottles
SDP

Distinguishing media types is simplified and interchanging of screw caps and carry over of substances is effectively excluded.

EDGE
Closure Size GL 45
For Use With (Equipment) Laboratory glass bottles
Product Type Screw Cap
38

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

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.

Product Type Heat-shrink Band
No. per Case 1000
Material PETG
No. per Pack 1000
39

Fisherbrand™ Black Smooth Sided Mineral Filled Phenolic Cap with Rubber Liner
SDP

This black phenolic screw cap has smooth sides and a rubber liner to ensure a tight seal.

40

DWK Life Sciences DURAN™ TILT GL 56 Screw Cap Membrane Vented
SDP

Laboratory screw cap for autoclaving and sterile storage of media.

41

DWK Life Sciences Wheaton™ 38-400 Black Phenolic Cap, PE Cone Liner
SDP

Case of 576 black phenolic caps with PE cone liners for bottles with screw cap tops, size 38-400.

42

DWK Life Sciences Wheaton™ Polypropylene Caps for S/T Bottles
SDP

For use with Wheaton Glass Diagnostic Bottles

For Use With (Equipment) Screw neck diagnostic bottle
Neck Finish 20-400
No. per Case 300/Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
43

DWK Life Sciences Wheaton™ Polypropylene Caps for Wheaton Dropping Bottles - Pink
SDP

Screw cap made of radiation grade polypropylene

Product Type Polypropylene Cap
Color Pink
Material Polypropylene
Certifications/Compliance ISO 9001
44

DWK Life Sciences Kimble™ Kontes™ Vacuum Filter Holders: Replacement GL45 Cap
SDP

Replacement PBT GL-45 Cap for use with ULTRA-WARE™ Filtration Adapter.

45

DWK Life Sciences DURAN™ Screw Caps for GL S 80™ Wide Neck Glass Bottles
SDP

High leak tightness through use of PTFE coated silicone seal. More chemically resistant than PP screw cap.

For Use With (Equipment) GLS 80 wide neck glass bottles
Color Red
Material PBT