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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 1,270 results
31

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 24-415 Finish
GREENER_CHOICE

Ensure leakproof performance with these colored, polypropylene closures with 24-415 finish. Closures are one-piece and linerless with integrally molded seal ring.

EDGE
Height (Metric) 15 mm
Shape Round
Description Nalgene Colored Closures
Thread Size (Metric) 24-415
For Use With (Equipment) Nalgene narrow-mouth 125 and 250mL bottles
Product Type Screw Cap
Mouth Narrow
Packaging Bulk
No. per Case 1,000
Material Polypropylene
No. per Pack 1000
Liner Material Unlined
Height (English) 0.59 in.
32

DWK Life Sciences DURAN™ GL 45 Pouring Rings For Screw Caps
SDP

Distinguishing media types is simplified.

EDGE
For Use With (Equipment) Screw Cap
Product Type Pouring Ring
Height (Metric) With Closure 4mm
Material Polypropylene
Autoclavable Autoclavable
33

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

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
34

Thermo Scientific™ Nalgene™ Polypropylene Pour Spout
GREENER_CHOICE

Enjoy easy one-handed liquid dispensing without leaving bottles completely open to the environment. Vented to allow smooth flow for easy liquid dispensing.

EDGE
35

Thermo Scientific™ Nalgene™ Autoclavable Septum Closure, Autoclavable, 38-430 size
GREENER_CHOICE

Enable aseptic injection of reagent or sample withdrawal without compromising sterility or integrity of contents with this autoclavable septum closure.

EDGE
36

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

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

EDGE
37

Thermo Scientific™ Nalgene™ Mason Jar Replacement Closures
GSA_VA GREENER_CHOICE

Fit these replacement closures onto Thermo Scientific™ Nalgene™ Mason Jars.

EDGE
38

Thermo Scientific™ Nalgene™ Centrifuge Bottle Sealing Cap Assembly
GSA_VA GREENER_CHOICE

Provide an added level of reliability when running at maximum speeds with the Nalgene Centrifuge Bottle Sealing Cap Assembly, for use with selected 250mL centrifuge bottles.

EDGE
39

Thermo Scientific™ Nalgene™ Replacement Closures for Economy Wash Bottles
GREENER_CHOICE

Through-the-top tubing with closure and stem molded in one piece

EDGE
For Use With (Equipment) Wash bottle
Material Polypropylene
40

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
41

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
42

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 38-430 Finish
GSA_VA GREENER_CHOICE

Ensure leakproof performance with these colored, polypropylene closures with 38-430 finish. Closures are one-piece and linerless with integrally molded seal ring.

EDGE
Height (Metric) 27 mm
Shape Round
Description Nalgene Colored Closures
Thread Size (Metric) 38-430
For Use With (Equipment) Nalgene Narrow-Mouth 1000mL Bottle
Product Type Screw Cap
Mouth Narrow
Packaging Bulk
No. per Case 250
Material Polypropylene
No. per Pack 250
Liner Material Unlined
Height (English) 1.06 in.
43

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.
44

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
45

DWK Life Sciences Wheaton™ White Polypropylene Open-Top Caps w/PTFE Faced Silicone Liners for E-Z Ex-Traction™ Vials
GSA_VA SDP

Suitable for storage and containment of volatile solvents, sensitive compounds or corrosive chemicals

EDGE
For Use With (Equipment) Glass bottle or vial
Color White
Closure Liner PTFE/Silicone
Material Polypropylene
Certifications/Compliance ISO 9001
Autoclavable Autoclavable