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October 01 2015

Gaskets1

Silicone Rubber Gaskets

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Silicone Rubber Gaskets are available in a wide range of shapes and sizes, and possess many different applications. These gaskets are widely used in all types of industry that can include, the engineering industry, the aircraft industry, your building industry and the catering industry, to mention just a few. They are very commonly employed between several surfaces, where leaks of fluid or air need to be contained. The surfaces are created and the silicone rubber gasket is compressed which produces a great seal. In the case of silicone O rings where some motion may be required, lubrication is very often achieved by the fluid being sealed. - O-rings

Due to the properties of the silicone these gaskets can take on many forms such as;

o Mitre cut letter box shape
o Horse shoe shape
o O ring shape

Silicone has very versatile properties due to the ability to resist extreme temperatures, and moisture repelling qualities. It is commonly used in adhesives, sealants, medical applications, cookware, insulation and lubricants. Silicones are polymers which can be made from chemical elements and can include oxygen, hydrogen and silicon.

Silicone has lots of useful properties and some of these can include;

o Low toxicity
o Thermal Stability
o Water Repelling
o Good resistance to sunlight and oxygen etc.
o Non-stick
o Good electrical insulation

Silicone gaskets are mechanical seals utilized to prevent leakage between two surfaces. Gaskets usually require some type of compression, and therefore some extent of yield or some form of de-formation is required by the gasket. Silicone rubber gaskets are ideal for such applications. An O-ring for example is an extremely versatile type of silicone gasket, and is commonly employed in all types of pipe-work and plumbing applications, and can even allow a tiny bit of motion between the two surfaces whilst efficiently sealing them.

Various kinds of silicone gaskets can include;

o Silicone gaskets
o Solid silicone gaskets ( popular on metal closures)
o Sponge silicone gaskets
o Silicone foam gaskets (closely associated with sponge gaskets)
o Injection moulded silicone gaskets

Foam gaskets from the opened cell type can be used for dust seals or shock and vibration gaskets. Closed cell is primarily used for environmental seals. - O-rings

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Schweinderl