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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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Disposable

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Drop Size

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Shape

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Closure Included

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106 – 120 of 1,300 results
106

DWK Life Sciences Kimble™ White Urea Closures with PTFE-Faced Foam-Backed Rubber Liner
GSA_VA SDP

White closures with rubber liner

Color Black
Material Phenolic Resin
107

DWK Life Sciences Kimble™ Phenolic Caps with 14B White Rubber Liners
SDP

Resilient and resistant to moisture vapor; provides a chemical barrier

For Use With (Equipment) Bottle
Product Type Phenolic Cap
Color Black
Closure Liner PTFE/14B Rubber
No. per Case 144 Cs.
Material Phenolic Resin
108

DWK Life Sciences Wheaton™ Polypropylene Caps for Wheaton Dropping Bottles - Pink
SDP

Screw cap made of radiation grade polypropylene

Product Type Polypropylene Cap
Color Pink
Material Polypropylene
Certifications/Compliance ISO 9001
109

DWK Life Sciences Wheaton™ Polypropylene Caps for Wheaton Dropping Bottles - Blue
SDP

Screw cap made of radiation grade polypropylene

Color Blue
Material Polypropylene
110

DWK Life Sciences Wheaton™ White Polypropylene Caps with PTFE-Faced Foamed Polyethylene Liners
GSA_VA SDP

Excellent for environmental samples, pharmaceuticals and diagnostic reagents

For Use With (Equipment) Glass bottle or vial
Color White
Certifications/Compliance ISO 9001
111

Thermo Scientific™ Nalgene™ HDPE Closures: Sterile, Bulk Pack
GREENER_CHOICE

Seal PET/PETG square media bottles with these HDPE closures, assuring a reliable and leakproof seal.

Description Closure for Media Bottles
For Use With (Equipment) Nalgene PET/PETG square media bottles
Product Type Screw Cap
Color Natural
Packaging Bulk
Material HDPE
Certifications/Compliance USP Class VI, USP <661.1>, non-cytotoxic, non-hemolytic, non-pyrogenic.
Fit for Purpose Sterile
Sterility Sterile
112

DWK Life Sciences Kimble™ Kontes™ Ultra-Ware Three Hole Delivery Caps ETFE Nut Plug 1/4 in.
SDP

Used to Seal Ports with Flat Bottom 1/4 in.-28 Threads

113

DWK Life Sciences Wheaton™ Polypropylene Caps With Dropper Tips - Brown
SDP

114

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

Autoclavable screw caps, without liner

115

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.

116

DWK Life Sciences Wheaton™ Polypropylene Caps for Wheaton Dropping Bottles - Gray
SDP

Screw cap made of radiation grade polypropylene

For Use With (Equipment) Plastic dropping bottle
Color Gray
Material Polypropylene
Certifications/Compliance ISO 9001
117

DWK Life Sciences Wheaton™ Black Phenolic Cap with Rubber Liner
SDP

14B rubber-lined caps feature a nontoxic, white, styrene-butadiene rubber liner, ideal for cell culture work

For Use With (Equipment) Bottle
Color Black
Closure Liner Rubber
No. per Case 1000 Cs.
Material Phenolic Resin
Certifications/Compliance ISO 9001
118

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
119

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

ETFE pouring ring

120

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

Pouring ring permits clean, drop-free use.