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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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Closure Included

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91 – 105 of 1,301 results
91

DWK Life Sciences Kimble™ Phenolic Caps with Pulp/Vinyl Liners
SDP

Cap provides good chemical resistance to mild acids, alkalis, alcohols, aqueous solutions, oils and solvents.

For Use With (Equipment) Bottle
Product Type Phenolic Cap
Color Black
Closure Liner Pulp/Vinyl
No. per Case 144 Cs.
Material Phenolic Resin
92

DWK Life Sciences DURAN™ PURE Premium Cap, with Lip Seal
SDP

High-quality closure developed for the needs of the pharmaceutical and biotech industry

93

DWK Life Sciences Wheaton™ Replacement Caps for Boston Round Bottles, Black Phenolic with Rubber Liners
SDP

Ideal for cell culture work.

94

DWK Life Sciences Kimble™ Phenolic Cap with PTFE-Faced Rubber Liner
SDP

High-quality cap and liner withstands rigors of repeated autoclaving

95

DWK Life Sciences Wheaton™ Black Phenolic Screw Caps with PTFE faced 14B Rubber Liners for E-Z Ex-Traction™ Vials
GSA_VA SDP

Designed to ensure the ultimate in product safety

Color Black
Closure Liner PTFE/Rubber
Material Phenolic Resin
Certifications/Compliance ISO 9001
96

DWK Life Sciences DURAN™ GL 25 Screw Caps for Laboratory Glass Bottles
SDP

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

Thread Size (Metric) GL 25
For Use With (Equipment) Laboratory glass bottles
97

DWK Life Sciences Wheaton™ Black Phenolic Linerless Screw Caps
SDP

With open top that provides access with syringes

98

DWK Life Sciences Wheaton™ Black Phenolic Screw Cap with Open Top
SDP

Autoclavable screw caps, without liner

99

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

Laboratory screw cap for autoclaving and sterile storage of media.

100

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.

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
101

DWK Life Sciences DURAN™ GL 32 Pouring Rings For Screw Caps
SDP

Distinguishing media types is simplified

102

DWK Life Sciences DURAN™ GL 32 Screw Caps for Laboratory Glass Bottles
SDP

Distinguishing media types is simplified.

Thread Size (Metric) GL 32
For Use With (Equipment) Laboratory glass bottles
103

DWK Life Sciences DURAN™ GL S 80™ Screw Cap w/PTFE Silicone Seal for Laboratory Glass Bottles
SDP

GLS 80 white polyethersulfone (PSU) cap with PTFE coated cap liner

104

DWK Life Sciences DURAN™ GL 32 Red Pouring Rings For Screw Caps
SDP

ETFE pouring ring

105

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

Distinguishing media types is simplified.

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