What is Viton and Why use Viton ?

What is Viton™?

Viton™ is a fluoropolymer elastomer and synthetic rubber compound, trademarked by DuPont under this brand name. It’s a fluorinated hydrocarbon rubber product with amazing capabilities, designed to withstand even the most challenging of environments.

Viton™ has become the standard name for this type of material. However, there are differences within the Viton™ family which will affect their suitability for your application.

The standard grade for Viton™ is A grade, which has 66 percent fluorine content and is most commonly used in o rings and seals. Viton™ B offers better fluid resistance and Viton™ F is particularly good for resistance to fuel permeation. High performance grades are also available but do discuss with us if you’re not sure what you need.

Why use Viton™?

A Viton™ O ring will tend to be significantly more expensive than the equivalent nitrile component. This is because it simply does the job where other products cannot. In comparison to nitrile, Viton™ has a larger operating temperature range, better resistance to degradation from exposure to weather and ozone and is more chemically resistant too.

Choosing a Viton™ o ring for the toughest jobs means it will last longer. This means that you can enjoy extended service intervals, reducing maintenance costs and providing a more reliable seal. There is far less likelihood of unscheduled down time due to o ring failure, so your investment in a Viton™ product will pay back through better operational efficiency.


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What is Viton™ good for?

Viton™ seals are an ideal choice in any environment where there are challenging factors to contend with. For example:

• High temperatures: A Viton™ O ring will withstand temperatures from -20°C up to 210°C
• Chemicals: Viton™ can withstand a range of chemicals, including oils, acids, silicone fluids and gasses as well as halogenated and aromatic hydrocarbons
• Environmental challenges: Viton™ can maintain a seal even in the presence of oxidation, UV exposure, weather, ozone, fungus and mould

So, what is Viton™ good for? Well, Viton™ is frequently used in appliance processing, automotive and chemical industries. We also supply Viton™ products to aerospace companies, oil and gas exploration industries and petroleum refining and transportation businesses.

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Is Fluoroelastomer the same as Viton™?

When you’re thinking about what is Viton™ exactly, you can classify it as one of the many fluoroelastomers out there. It’s a trade name for a fluoroelastomers produced by DuPont. Other brand names for fluoroelastomers include FKM and FPM.

What is the difference between Viton™ and EPDM?

The main difference between Viton™ and EPDM is the chemical resistance they exhibit. EPDM is a good product for use in steam environments and has a relatively good chemical resistance, but EPDM should never be used with solvents or petroleum agents.

What is Viton™ seal?

A Viton™ seal is simply a seal manufactured from Viton™. These Viton seals or Viton gaskets are commonly used to seal leaks, valves, pumps and similar. Viton™ o rings are the most common type of seal, which we provide in a variety of sizes and profiles.