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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 1,383 results
16

DWK Life Sciences Kimble™ Phenolic Caps with PTFE-Faced LDPE Foam Liners
SDP

Offers excellent chemical and solvent resistance

EDGE
For Use With (Equipment) Bottle
Product Type Phenolic Cap
Color Black
Closure Liner PTFE/LDPE Foam
No. per Case 144 Cs.
Material Phenolic Resin
17

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
18

DWK Life Sciences Kimble™ Phenolic Caps with Solid PE Liners
SDP

Has good resistance to acids, alcohols, alkalis, aqueous solutions, oils, solvents

EDGE
For Use With (Equipment) Bottle
Product Type Phenolic Cap
Color Black
Closure Liner Polyethylene
No. per Case 144 Cs.
Material Phenolic Resin
19

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

Good for mild acids, alkalis, solvents, alcohols, oils and aqueous products

EDGE
Color White
Material Polypropylene
20

DWK Life Sciences Wheaton™ Media/Laboratory Bottle Caps
GSA_VA SDP

For use with Wheaton media bottles

For Use With (Equipment) Media bottle
Color Black
No. per Case 200 Cs.
21

Restek™ Mobi-Cap GL-45 Bottle Tops
SDP

Protect mobile phases from evaporation and contamination while also protecting the lab from harmful vapors

Includes Tubing Connector Nuts, Color-Sleeve Adaptors, and Ferrules
Thread Size (Metric) 1/4-28
For Use With (Equipment) GL-45 Threaded Bottles
Neck Finish 78 mm
Material Polypropylene
22

Corning™ GL45 Polypropylene Screw Caps
BIOPHARMA GSA_VA GREENER_CHOICE

Linerless plug seal design for efficient sealing

Thread Size (Metric) GL 45
For Use With (Equipment) Storage bottle
Material Polypropylene
Sterility Non-sterile
23

Corning™ PYREX™ Media Bottle High-Temperature Caps, Open-Top
GSA_VA

With drip-free pouring ring

For Use With (Equipment) Storage bottle
Product Type Open Top Cap
Color Red
No. per Case 10/Cs.
Material PBT
Closure Color Red
No. per Pack 10/Pk.
Closure Type High Temperature
Closure Material PBT
Sterility Non-sterile
24

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.

Closure Size GL 45
For Use With (Equipment) Laboratory glass bottles
Product Type Screw Cap
25

DWK Life Sciences Kimble™ Kontes™ HPLC Economy 3-Hole Ultra-Ware Cap Systems
SDP

With plastic coating that blocks virtually all UV light up to 385 nm, preventing photodegradation of light sensitive mobile phases

For Use With (Equipment) Bottle
No. per Case 1 Cs.
Material PTFE
26

DWK Life Sciences DURAN™ GL 18 pressure equalization set
SDP

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

27

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
28

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

29

DWK Life Sciences Kimble™ Kontes™ Storage Caps for HPLC Ultra-Ware Plastic-Coated Conical Bottom Reservoirs
SDP

30

Diba Omnifit™ T-Series Bottle Caps

Easy to use and versatile range of caps requires no fittings

Disposable Reusable
For Use With (Equipment) T series solvent bottle
Product Type Solvent Waste Cap
No. per Case 1 Cs.
Material PTFE
Autoclavable Not Autoclavable
Sterility Non-sterile