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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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16 – 30 of 1,165 results
16

DWK Life Sciences DURAN™ Mulitport Connector Caps GL 25
SDP

2, 3 or 4 port connector caps for GL 25 DURAN™ bottles

Thread Size (Metric) GL 25
Neck Finish 9 mm
Material PBT
Autoclavable Autoclavable
For Use With (Application) Low volume sampling, 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
18

Qorpak™ Green Thermoset Cap with F217 and PTFE Liner
GSA_VA

Provides a wide range of chemical compatability and temperature tolerant. Qorpak™ Green Thermoset Cap with F217 and PTFE Liner are ideal for analytical lab samples, high purity chemicals, strong acids solvents, environmental samples, pharmaceuticals, and diagnostic reagents.

Thread Size (Metric) 72 mm
Color Green
Material Thermoset
Liner Material F217, PTFE
19

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

Nalgene Heavy-Duty Vacuum Carboys and Bottles

EDGE
20

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 20-415 Finish
GSA_VA GREENER_CHOICE

Ensure leakproof performance with these colored, polypropylene closures with 20-415 finish. Closures are one-piece and linerless with integrally molded seal ring.

EDGE
Height (Metric) 12 mm
Description Nalgene Colored Closures
Thread Size (Metric) 20-415
For Use With (Equipment) Nalgene narrow-mouth 8, 15, 30, 60mL bottles
Product Type Screw Cap
Mouth Narrow
Closure Liner Unlined
No. per Case 2000
Material Polypropylene
No. per Pack 2000
Liner Material Unlined
21

Thermo Scientific™ Nalgene™ Narrow-Mouth and Wide-Mouth Bottle Replacement Closures
GSA_VA GREENER_CHOICE

Fit these replacement closures onto Thermo Scientific™ Nalgene™ narrow-mouth and wide-mouth bottles.

EDGE
22

DWK Life Sciences Kimble™ Phenolic Caps with Taperseal Liners (Cone Shaped)
GSA_VA SDP

Provides excellent sealing capabilities in liquid applications; seal is made across the top and the inside diameter of the container.

EDGE
For Use With (Equipment) Bottle
Product Type Phenolic Cap
Color Black
Closure Liner Taperseal
Material Phenolic Resin
23

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
24

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.

25

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

Color White
Closure Liner PTFE/Silicone
Material Polypropylene
Certifications/Compliance ISO 9001
Autoclavable Autoclavable
27

DWK Life Sciences Wheaton™ White Polypropylene Caps with Foam/LDPE Liners
SDP

For general storage and packaging applications

For Use With (Equipment) Glass bottle or vial
Color White
No. per Case 200 Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
28

DWK Life Sciences DURAN™ GL 18 pressure equalization set
SDP

Flexible GLS 80™ connection system for the use of semi-rigid hoses.

29

DWK Life Sciences Wheaton™ Black Phenolic Screw Cap With Rubber Liner
GSA_VA SDP

Nontoxic white styrene-butadiene rubber liner

For Use With (Equipment) Bottle
Color Black
Closure Liner 14B Rubber
Material Phenolic Resin
Certifications/Compliance ISO 9001
30

Qorpak™ Black Phenolic F217 and PTFE Lined Caps
GSA_VA

Ideal for use with a wide range of chemicals including analytical lab samples, high purity chemicals, strong acids solvents, environmental samples, pharmaceuticals and diagnostic reagents. Qorpak™ Black Phenolic F217 and PTFE Lined Caps offer good chemical and temperature resistance.

Color Black
Material Phenolic Resin
Liner Material F217, PTFE