One size does not fit all.

This goes for rubber stoppers used in various industries.

The rubber stoppers are made of different shapes and diameters to give the perfect fit.

Rubber plugs are used to stop spillage and seal the containers so it is important the right type of rubber stopper is used.

Therefore, in this article, I will tell you what rubber stoppers are and nine different types of rubber stoppers.

So, let’s find out.


What are Rubber Stoppers?

A rubber stopper is a small piece made of rubber that can be placed in holes for sealing, isolation, and protection. Rubber stopper is also commonly known as rubber plugs, cork, caps, silicone plugs, etc. These plugs are used in various industries including, automobiles, machinery, electronics, etc. For example, silicone plugs are mostly used in medical and cosmetic industries as silicone is environmentally friendly and non-toxic, suitable for human contact. In laboratories, the rubber stopper is used to seal the opening of test flasks, tubes, and other types of glassware. The laboratory rubber stopper is also called a rubber bung plug.

9 Types of Rubber Stoppers

  1. The Solid Stopper

Solid Stopper is the most common rubber stopper type and used in many applications in our everyday lives. These stoppers are also used in wineries and breweries.

  1. The One-Hole Stopper

The one-hole stopper is common in laboratories because these types of rubber stoppers allow the scientists to insert thermometers and other devices in the container through the hole. And they don’t have to open the flask or container. This kind of rubber stopper is available in different sizes.

  1. The Two-hole Stopper

This type of rubber stopper is also readily available in the laboratories. This helps the scientists to insert multiple instruments in the container at the same time. And it has the tightest fit even if it has two holes in the stopper.

  1. Tapered Caps and Plugs

Tapered caps are the most common shape for a rubber plug. It is great for daily use and has a tight fit. They are available in many different diameters.

  1. Push-fit Caps

Push-fit caps are best for storage and transportation purposes as they provide a tight fit without the need for fasteners. They also come in various shapes and sizes.

  1. Rubber Bolt Caps and Plugs

The rubber bolt plugs are best for hydraulic hose fittings.

  1. Vinyl End Caps

Vinyl caps are the most stretchy and flexible rubber stopper type. They are easy to remove even though they fit very tightly.

  1. Protection for pipes caps

Protection caps are mostly round rubber end caps for pipes. They protect pipes from damage, spillage, and contamination. They are available in various diameters.

  1. Parallel protection plugs

As the name says, parallel protection plug protects the container from dirt, moisture, and corrosion.

You can place the order for rubber stoppers on etoL. ETOL is a leading rubber and silicone products manufacturer with the experience of more than 20 years. They have 18000+ kinds of products available and you can also get customized rubber plugs from them. They have a large variety of rubber suction cups, plugs, caps, grommets; seal O-rings, silicone keypads, and rubber silicone bellows.