Choose the rubber stopper of the correct size for your container. A rubber stopper is designed such that the top end is wider than the bottom end. A rubber stopper will be the correct size for a flask or test tube if the bottom end is narrower than the opening of the flask or test tube, but the top end is wider.

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Choose the correct number of holes in the stopper. Most rubber stoppers are solid pieces of rubber with no holes in them. These are fine for working with non-volatile chemicals that do not build up pressure in a sealed container. Certain chemical mixtures have high volatility and can create gas pressure that can break a glass flask or test tube. For such mixtures, stoppers with holes should be used to allow the gas to escape before too much pressure builds. Chemists also use stoppers with holes if they are using the flask or test tube as part of a larger apparatus, such as a distillation apparatus, and will be connecting various sealed containers together with tubing that runs from stopper to stopper. Note that when inserting tubing into the hole of a rubber stopper, a lubricant should always be used to reduce the risk of breaking the tubing or container when forcing it into the hole.

Rubber stopper briefly explained

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There are small parts in the accessories sector that an angler can&#;t get around, whether he&#;s a spinning angler, a bottom angler or a float angler. Among these small parts are the rubber stoppers. Learn more about their function and use in this article.

What are rubber stoppers?

Rubber stoppers are small, elongated rubber pieces that can be pulled onto the fishing line via a central eye. They are made of a plastic mixture and are available in different shapes, colors and sizes, depending on the thickness of the line used.

Where are rubber stoppers used?

The purpose of using rubber stoppers is, for example, to keep a float at the correct depth, to rebuild a fixed lead or self-hook assembly, or to set up a finesse rig assembly for spin fishing and fix the components in the right place. In short, the rubber stopper prevents the free passage of a float or lead on the main line.

Rubber stopper as protection?

A stopper made of rubber can additionally act as a direct protection or buffer for some assemblies. Placed just in front of knots, the stopper protects the knot from damage by leads or other components of the mount.

Use of rubber stoppers with finesse rigs?

A rubber stopper can be flexibly moved. Therefore, with the correct installation, it is possible to turn a Texas rig into a Carolina rig and vice versa, or to change the length of the leader. Often, however, two matching stoppers should be mounted to prevent them from slipping too easily.

What do rubber stoppers cost?

Since rubber stoppers are usually offered as larger sets, they are in the lower price range. However, it should be noted that they sometimes do not last long, depending on the installation and the line used. Especially if too thick lines and too slim stoppers are used, they can easily crack. In addition, rubber stoppers can only be used once.

First published in German: https://www.fisch-hitparade.de/magazine/gummistopper-kurz-erklaert/

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