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Silicone vs. VITON: Which one should you use for your project?

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In this article, we will compare silicone and Viton. Silicone is a type of rubber that is very flexible, durable, and has many different uses in industry, manufacturing, and consumer products. Viton is a synthetic rubber that provides excellent resistance to high temperatures, ozone gas, gases with low boiling points (such as HFCs), oils and fuels. The two are very different!

Silicone is generally resistant to chemicals like calcium carbonate, water, and hydrocarbons while Viton can resist stronger acids and alkalies at high temperatures.

In addition to being used for industrial purposes such as seals on pipes or gaskets for appliances or engines; silicone can also be found in personal care items like makeup removers, moisturizing lotions, hair styling products like gels and sprays, baby care items like baby powder and sunscreen, household cleaning supplies like tiles and grout cleaners (and counter top polishes), car washing soaps.

Viton is also used in the personal care industry with its use in hand creams, tanning lotions, etc. However it is also used in the automotive industry as engine oil seals and fuel hoses that can withstand higher temperatures than silicone.

Viton has excellent resistance against strong alkalies and acids, which makes it an ideal choice for components that are exposed to corrosive chemicals like solvents, oils, acids at high temperatures. Viton is used in the manufacturing of containers that store highly reactive chemicals like perchlorates or phosphoric acid.

Due to Viton’s excellent resistance, it is suitable for use at very high temperatures (up to 500°C/932°F), while silicone can only handle around 232°C/450°F before deformation occurs.

Which one would be best for your project?

The answer would be dependent on your project and job. For example, if you work with a lot of chemicals or the warranty for your project is only six months then it might be best to use silicone as it will last longer. If you are looking for a rubber that is resistant to high temperatures or ozone gas or gases with low boiling points (such as HFCs) then Viton may be the better option. It is best to check the chemical resistance of the rubbers before using them.

Many people believe that Viton can resist strong acids and alkalies, alcohols, sulfuric acid at high temperatures better than silicone but this isn’t necessarily true. Silicone may not be as resistant to some chemicals like strong acids but it does have its advantages. Silicone has very good resistance to calcium carbonate, water, and hydrocarbons while Viton may not do as well in this area.

How to use them?

Silicone is generally resistant to chemicals like calcium carbonate, water, and hydrocarbons while Viton can resist stronger acids and alkalies, alcohols, sulfuric acid at high temperatures. To make a silicone sealant work effectively on a surface you want to apply a lubricant such as molybdenum disulfide on both the surface you’re going to bond the sealant on and the sealant itself. You then need to cut through the silicone with a knife or spatula for a clean edge, then clean the surfaces with a degreaser before applying it. When using Viton you do not need any lubricants as it flows easily over surfaces and has excellent sealing properties.

Viton is a synthetic rubber that provides excellent resistance to high temperatures, ozone gas, gases with low boiling points (such as HFCs), oils and fuels.

Silicone is generally resistant to chemicals like calcium carbonate, water, and hydrocarbons while Viton can resist stronger acids and alkalies, alcohols ,sulfuric acid at high temperatures.

Viton is a synthetic rubber that provides excellent resistance to high temperatures, ozone gas, gases with low boiling points (such as HFCs), oils and fuels.

Silicone is generally resistant to chemicals like calcium carbonate, water, and hydrocarbons while Viton can resist stronger.

In conclusion, it is best to discuss with your project manager or supervisor what material would be best for the job. Silicone and Viton are both good options depending on the needs of your company. If you have any questions or need help understanding how these materials might work in a certain application, please contact our team at sales@mastelf.com. We’re always happy to provide answers!

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