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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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46 – 60 of 1,296 results
46

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

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

47

Thermo Scientific™ Nalgene™ Replacement Closures for Economy Wash Bottles
GREENER_CHOICE

Through-the-top tubing with closure and stem molded in one piece

For Use With (Equipment) Wash bottle
Material Polypropylene
48

Thermo Scientific™ Nalgene™ Closures for Dropper Bottles: Bulk Pack
GREENER_CHOICE

Order these closures, which are available in multiple colors to help identify reagents, to complete your dropper bottle system.

For Use With (Equipment) Dropper Bottles 312750 and 312751.
Product Type Dropping Bottle Screw Cap
Neck Finish 15-415
No. per Case 2000
Material Polypropylene
Certifications/Compliance Manufactured in compliance with ISO 13485:2003 quality requirements. Dropper Bottle Closures meet the requirements of 21CFR177.1520 for food and beverage use, USP Class VI.
No. per Pack 2000
Closure Material Polypropylene
Closure Included Yes
49

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

For Use With (Equipment) Glass bottle or vial
Color White
Closure Liner Polyethylene Foam
Certifications/Compliance ISO 9001
50

DWK Life Sciences Kimble™ GL 45 Polypropylene Color Coded Screw Thread Caps
GREENER_CHOICE SDP

Autoclavable screw-thread caps provide secure closure for storage bottles and flasks.

Material Polypropylene
51

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
52

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
53

DWK Life Sciences Kimble™ Kontes™ HPLC Ultra-Ware™ Standard Three-Valve Delivery Cap and Parts
SDP

Parts and accessories for standard three-valve cap system

For Use With (Equipment) Ultra-ware™ standard three valve cap system
No. per Case 1 Cs.
54

DWK Life Sciences Wheaton™ White Polypropylene Caps With PTFE Faced Foamed Polyethylene Liner
SDP

Bonded PTFE faced silicone liner ideal for storage of volatile solvents, sensitive compounds and corrosive chemicals

For Use With (Equipment) Glass bottle or vial
Product Type Polypropylene Cap
Color White
No. per Case 144 Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
Liner Material PTFE/Polyethylene
55

DWK Life Sciences Wheaton™ Low-Density Extended Controlled Dropper Tips (13mm)
SDP

13mm extended controlled dropper tip made of LDPE (Low Density Polyethylene)

Drop Size 41 μL
For Use With (Equipment) Plastic dropping bottle
Product Type Dropper Tip
Certifications/Compliance ISO 9001
56

DWK Life Sciences Wheaton™ Polypropylene Caps For Wheaton Dropping Bottles - Green
SDP

Screw cap made of radiation grade polypropylene

Product Type Polypropylene Cap
Color Green
Material Polypropylene
Certifications/Compliance ISO 9001
57

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

Screw cap made of radiation grade polypropylene

Color Red
Material Polypropylene
Certifications/Compliance ISO 9001
58

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

Screw cap made of radiation grade polypropylene

For Use With (Equipment) Plastic dropping bottle
Product Type Polypropylene Cap
Color Purple
Material Polypropylene
Certifications/Compliance ISO 9001
59

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

Screw cap made of radiation grade polypropylene

Color White
Material Polypropylene
60

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