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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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136 – 150 of 1,165 results
136

DWK Life Sciences Wheaton™ PBT Screw Caps
SDP

Withstands temperatures up to 200°C (392°F)

137

DWK Life Sciences Wheaton™ Colored Polypropylene Caps With Center Hole
SDP

Replacement caps for Lab 45 media bottles

138

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

Ideal for cell culture work.

139

Labconco™ Serum Bottle Aluminum Seals, Large
SDP

Accessory for freeze dry glassware

140

Corning™ 33mm Non-Vented Polyethylene Cap
BIOPHARMA GREENER_CHOICE

Replacement cap for all High Yield Performance (HYPER) Flasks

141

DWK Life Sciences DURAN™ Laboratory Tamper-Evident Screw Caps
SDP

Tamper-evident screw cap is available with lip seal or PTFE coated silicone seal. The integral plastic ring tears when the cap is first opened and is retained on the bottle neck. Therefore it can be clearly seen whether the bottle retains its original seal. After initial removal, can be used as normal screw cap.

142

DWK Life Sciences DURAN™ Premium Screw Cap, Colourless PFA, with PTFE-coated (Platinum cured) silicone cap liner
SDP

Screw bottle closure with cap liner sealing that offers higher temperature and chemical resistance.

Description Screw cap
Quantity 5/Pk.
Material PFA,PTFE,Silicone
Autoclavable Autoclavable
For Use With (Application) Autoclaving of media and reagents; Preparation of media and reagents; Reservoir cap for supplying laboratory instruments; Port assemblies for spinner flasks, and cell culture vessels; Single port vent for autoclaving media in large bottles; Transport and shipping
143

DWK Life Sciences DURAN™ Pouring Ring for Premium Screw Cap
SDP

PFA pouring ring for use with DURAN Premium Screw Cap. Permits drip-free pouring.

144

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
145

DWK Life Sciences DURAN™ GL 18 Screw Cap for Laboratory Glass Bottles
SDP

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

146

DWK Life Sciences DURAN™ Blue Pouring Ring For GLS 80™ Laboratory Bottle
SDP

Pouring ring permits clean, drop-free use.

147

DWK Life Sciences DURAN™ Pouring Ring For GLS 80™ Laboratory Bottle
SDP

Pouring ring permits clean, drop-free use.

148

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

Laboratory screw cap for autoclaving and sterile storage of media.

149

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
150

DWK Life Sciences DURAN™ Stainless Steel Multiport GL 45 Connector Cap, from PBT, GL 45, with 2 Ports
SDP

2 or 3 port connector caps for GL 45 DURAN™ bottles.