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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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Closure Included

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46 – 60 of 1,301 results
46

DWK Life Sciences Kimble™ KIMAX™ Caps for Media Bottles
GSA_VA SDP

Black phenolic or propylene caps

For Use With (Equipment) Media bottle
Color Black
47

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
48

DWK Life Sciences Wheaton™ Low-Density Extended Controlled Dropper Tips
SDP

8mm extended controlled dropper tip made of LDPE (Low Density Polyethylene)

49

DWK Life Sciences Wheaton™ Low-Density Extended Controlled Dropper Tips (15mm)
SDP

15mm 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
50

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
51

DWK Life Sciences Wheaton™ Tamper-Evident Caps
GSA_VA SDP

Contents cannot be accessed without removing cap or leaving evidence of puncture or insert

Includes Rolled safety edge
For Use With (Equipment) Uni dose bottle and vial
Material Aluminum
Certifications/Compliance ISO 9001
Liner Material Pulp/PVDC/Polyethylene
52

DWK Life Sciences Wheaton™ Solid Top Polypropylene Screw Caps
SDP

With Poly-vinyl liner to provide moisture barrier

53

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

Pouring ring permits clean, drop-free use.

54

DWK Life Sciences Kimble™ Kontes™ Hi-Temp Cap
SDP

Red PBT cap featuring a PTFE–faced silicone–rubber liner

55

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.
56

DWK Life Sciences Wheaton™ PVC Dropper Tips
SDP

Dispenses 40 microliters per drop

57

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
58

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

59

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.
60

Thermo Scientific™ Nalgene™ Polypropylene Pour Spout
GREENER_CHOICE

Enjoy easy one-handed liquid dispensing without leaving bottles completely open to the environment. Vented to allow smooth flow for easy liquid dispensing.