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Stoppers and Closures

Bottle Caps (2,073)
Stoppers (1,484)
Cork Borers (168)
Corks (131)
Bottle Septa (70)
Environmental Sampling Bottle Closures (67)
Bottle Cap Liners (22)
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256 – 270 of 2,605 results
256

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
257

DWK Life Sciences Kimble™ Kontes™ PTFE Replacement Plug for Economy 3-Hole Ultra-Ware Delivery Cap
SDP

Accessory for Economy 3-Hole Ultra-Ware Delivery Cap

258

DWK Life Sciences Wheaton™ Polypropylene Caps for Lab 45 Graduated Bottles
SDP

Replacement caps for Lab 45 media bottles

For Use With (Equipment) Lab 45 graduated bottle
No. per Case 12 Cs.
Material Polypropylene
Certifications/Compliance ISO 9001
Autoclavable Autoclavable
259

DWK Life Sciences DURAN™ Open Topped Screw Cap, Central Aperture, Red PBT
SDP

PBT screw cap with an open top and high temperature and chemical resistance.

Product Type Open Top Screw Cap
Color Red
Quantity 10/Pk.
Screw Material Polybutylene Terephthalate (PBT) with glass fiber
Material PBT
Autoclavable Autoclavable
For Use With (Application) Aseptic reagent delivery and culture sampling using a syringe and needle
Closure Material PBT with Glass Fiber
260

DWK Life Sciences DURAN™ GL 18 pressure equalization set
SDP

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

261

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

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

For Use With (Equipment) Bottle
Product Type Phenolic Cap
Color Black
Closure Liner Polyethylene
No. per Case 144 Cs.
Material Phenolic Resin
262

DWK Life Sciences DURAN™ GL S 80™ Screw Cap for Laboratory Glass Bottles
SDP

Permits opening and closing of the DURAN™ GLS 80 bottle with only a three-quarter turn

263

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
264

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
265

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.
266

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
267

Thermo Scientific™ Nalgene™ Polypropylene Fluid-Transfer Closure
GREENER_CHOICE

Perform fluid transfer in the lab or field with this 70mm closure compatible with Thermo Scientific™ Nalgene™ Mason Jars (Cat. No. 2115).

268

DWK Life Sciences DURAN™ Screw Caps for GL 45 Laboratory Glass Bottles
GSA_VA SDP

Suitable for silicone seal for piercing (Septa).

269

Thermo Scientific™ Nalgene™ Centrifuge Bottle Sealing Cap Assembly
GSA_VA GREENER_CHOICE

Provide an added level of reliability when running at maximum speeds with the Nalgene Centrifuge Bottle Sealing Cap Assembly, for use with selected 250mL centrifuge bottles.

270

DWK Life Sciences DURAN™ GL 45 Red Pouring Rings For Screw Caps
SDP

ETFE pouring ring