How To Choose The Best Rubber Stoppers

Rubber
stoppers are
small pieces of rubber that are used for various purposes. The most common use
of rubber stoppers is to seal the openings of flasks, vessels, test tubes, and
other containers. 

However, rubber stoppers are also used for closing small
openings. Stoppers are made up of cork and other materials, but rubber stoppers
are the best stoppers for common use. 

People are more likely to use rubber
stoppers for sealing purposes. There are several types of rubbers available in
the market. The availability of such a large number of stoppers has made it
quite difficult for people to select the perfect rubber stopper.  

Things to consider while choosing rubber
stopper

The following are some of the most
significant factors that people need to consider while choosing rubber
stoppers.

1. Check the
bottom diameter

The first thing to look for while
selecting the right rubber stopper is to check the bottom diameter of a rubber
stop. You have to check the bottom of the rubber stopper. Choosing rubber
stoppers having the biggest diameter is appreciated. 

The bottom diameter of the
rubber stopper should be a little bit larger than the size of the hole. This creates
the rubber stopper to completely fit into the vessel or a container. 

2. Check the
temperature resistance

The second factor you need to consider
while selecting a rubber stopper is to check whether the rubber stoppers are
temperature resistant or not. The rubber stoppers should be resistant enough to
withstand severe temperatures. The rubber stoppers you choose should be of high
quality.

3. Know for
which purpose you are purchasing

The third factor that you have to look
for while choosing rubber stoppers is that you should be very clear about the
use for which you are purchasing rubber stoppers. Sometimes rubber stoppers are
used to stop gas or liquids from escaping from vessels.

The container
containing gas or liquid can be a flask, a test tube, or a glass vessel.
Sometimes, rubber stoppers are also used to stop the liquid or gas from
contamination. Moreover, rubber stoppers are likewise used to cover the mouth
of the test tube. So you should be very clear about the purpose of using rubber
stoppers.

4. Consider
the shapes

Rubber stoppers are also available in
several shapes and designs. Some rubber stoppers have two holes that are used
to enter thermometers and pipettes into a test tube or a vessel.

5. Consider
the sizes of rubber stoppers.

Rubber stoppers come in several sizes.
Rubber stoppers have a certain diameter. The size of rubber stoppers varies
depending upon the sizes of vessels, flasks, test tubes, and other containers. 

Rubber stoppers have a certain diameter starting from 0.5 inches to 5 inches.
Small rubber stoppers are designed for test tubes, while diameters having big
diameters are used for beakers and vessels.