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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

Fisherbrand™ PP TPE Gasket Closure, 83B, 2-Port, 1/4 in.

Nalgene Heavy-Duty Vacuum Carboys and Bottles

EDGE
32

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
33

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
34

DWK Life Sciences Wheaton™ White Polypropylene Caps with Foamed Polyvinyl Liners
SDP

Foamed polyethylene liner provides chemical resistance for acids, alkalis, solvents, alcohols, oils, household cosmetics and aqueous products

EDGE
For Use With (Equipment) Glass bottle or vial
Color White
Closure Liner Polyethylene Foam
Certifications/Compliance ISO 9001
35

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
36

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
37

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
38

Thermo Scientific™ Nalgene™ Polypropylene Fluid-Transfer Closure
GREENER_CHOICE

Perform fluid transfer in the lab or field with this 70mm closure compatible with Thermo Scientific™ Nalgene™ Mason Jars (Cat. No. 2115).

EDGE
39

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

Suitable for silicone seal for piercing (Septa).

EDGE
40

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
41

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.
42

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.
43

Thermo Scientific™ Nalgene™ Mason Jar Replacement Closures
GSA_VA GREENER_CHOICE

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

EDGE
44

DWK Life Sciences Kimble™ GL 45 Clear Pour Ring
GSA_VA GREENER_CHOICE SDP

Clear Polypropylene Pour Rings for use with GL 45 media bottles and flasks.

EDGE
Thread Size (Metric) GL 45
Max. Temperature (English) 140°C
No. per Case 10 Cs.
Material Polypropylene
45

DWK Life Sciences Wheaton™ Redi-Cap™ Phenolic Screw Caps for Redi-Pak™ Containers
SDP

Unique cone liner design offers superior torque retention and excellent sealing characteristics

EDGE
For Use With (Equipment) Redi-pak™ container
Color Black
Closure Liner Polyseal
No. per Case 144 Cs.
Material Phenolic Resin
Certifications/Compliance ISO 9001