Rubber stopper

A laboratory rubber stopper or a rubber bung is mainly used in chemical laboratory in combination with flasks and test tube and also for fermentation in winery. A rubber stopper is a small, tapered plug used to seal the openings of test tubes, flasks and other laboratory glassware. However, rubber stoppers are preferable for applications that require a tighter seal or a greater degree of chemical resistance. Stoppers made of cork are also available for this purpose.


All of our black rubber stoppers are laboratory grade.

They contain a high percentage of pure rubber and are resistant to chemical attack. Stopper composition ensures resiliency and pliability over a long period. Withstands laboratory conditions without hardening.


The upper working temperature is 212°F. Rubber stoppers have a tapered shape to fit various sized openings and provide a secure, watertight seal. The soli synthetic rubber construction can be cut to an exact length and is very elastic.


Commonly used as a bottle stopper for glass containers, in electrical boxes and various household or shop applications.

Items - Wheaton offers a variety of Rubber Stopper styles, including straight plug, sleeve, lyophilization and snap-on. These rubber stoppers have a tapered shape to fit various sized openings and provide a secure, watertight seal. Shop now online or in-store for a great range of stoppers , grommets and rubber seals.


Find the Crown Bolt in. Looking for GRAINGER APPROVED Rubber Stopper ,24mm,Black,PK(9UDD)? Log-in or register for your pricing. Click here to learn more and order today! Provides for extremely high chemical purity and low gas permeability.


For maximum sealing of vials with . Learn more about rubber - stoppers. We enable science by offering product choice , services, process excellence and our people make it happen. Small rubber stopper with one hole.


Part of the Gas Pressure Sensor Replacement Parts. Material, Natural Rubber. LK offers a variety of glass accessories to ensure you have all the equipment needed to complete your testing.


For parts, please contact LK Industries.

Product Type, One Hole Taper Stopper.

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