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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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61 – 75 of 1,291 results
61

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

62

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
63

DWK Life Sciences Wheaton™ Blue Starline Polypropylene Caps for Narrow-Mouth Containers
SDP

Replacement caps for Leak-Resistant Containers

For Use With (Equipment) Redi-pak™ leak resistant narrow mouth bottle
Color Blue
Material Polypropylene
Certifications/Compliance ISO 9001
64

DWK Life Sciences Wheaton™ Natural Polypropylene Caps for Narrow-Mouth Containers
SDP

For use with Wheaton leak-resistant narrow mouth bottles

For Use With (Equipment) Redi-pak™ leak resistant narrow mouth bottle
Color Natural
No. per Case 72 Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
65

DWK Life Sciences Wheaton™ White Polypropylene Caps for Narrow-Mouth Containers
SDP

For use with Wheaton leak-resistant narrow mouth bottles

For Use With (Equipment) Redi-pak™ leak resistant narrow mouth bottle
Color White
Material Polypropylene
Certifications/Compliance ISO 9001
66

DWK Life Sciences Wheaton™ White Polypropylene Caps with Foam/LDPE Liners
SDP

For general storage and packaging applications

For Use With (Equipment) Glass bottle or vial
Color White
No. per Case 200 Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
67

DWK Life Sciences Wheaton™ Microlink Caps
SDP

Open top caps are ideal for storing and containing volatile solvents, sensitive compounds and corrosive chemicals

For Use With (Equipment) Bottle
Material Polypropylene
Certifications/Compliance ISO 9001
68

DWK Life Sciences Wheaton™ Polypropylene Caps for S/T Bottles
SDP

For use with Wheaton Glass Diagnostic Bottles

For Use With (Equipment) Screw neck diagnostic bottle
Neck Finish 20-400
No. per Case 300/Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
69

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 28-415 Finish
GREENER_CHOICE

Ensure leakproof performance with these colored, polypropylene closures with 28-415 finish. Closures are one-piece and linerless with integrally molded seal ring.

Height (Metric) 15 mm
Shape Round
Description Nalgene Colored Closures
Thread Size (Metric) 28-415
Height (Metric) With Closure 15 mm
No. per Case 500
Material Polypropylene
For Use With (Equipment) Nalgene narrow-mouth 500mL bottles
Product Type Screw Cap
Diameter (Metric) 30 mm (Outer)
Mouth Narrow
Packaging Bulk
No. per Pack 500
Liner Material Unlined
Height (English) 0.59 in.
70

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
71

DWK Life Sciences Wheaton™ Open Top Screw Caps with Silicone Liner
SDP

Open top screw caps have a bonded PTFE faced silicone liner that provides access with a syringe.

For Use With (Equipment) Glass bottle or vial
Product Type Open Top Screw Cap
Closure Liner PTFE/Silicone
Material Phenolic Resin
Certifications/Compliance ISO 9001
72

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
73

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
74

DWK Life Sciences Kimble™ Kontes™ HPLC Ultra-Ware™ Standard Filtration/Delivery Four-Valve Cap System
SDP

Parts and accessories for standard four-valve cap system

For Use With (Equipment) Ultra-ware™ standard filtration/delivery four valve cap system
No. per Case 1 Cs.
75

DWK Life Sciences Wheaton™ Extended Controlled 20mm LDPE Dropper Tips
SDP

20mm 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