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Viton or FKM

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Viton® or Fluoroelastomer (FKM)

Viton® is a brand of FKM (Fluoroelastomer), a synthetic rubber elastomer and fluoropolymer commonly used in O-rings, and other molded or extruded products. The name is a registered trademark of The Chemours Company.

Although Viton® can sometimes be distinguished from other types of rubber by its color, often green or brown, a more reliable test is its density of more than 1,800kg/m3, significantly higher than most types of rubber.

Fluorinated rubbers have an extraordinary resistance to temperature, continuously +250ºC without losing their mechanical properties. Intermittently up to 300°C.

It offers excellent resistance to acids, bases, aliphatic hydrocarbons, oils, ozone, steam and a large number of corrosive applications, although it is not suitable for amines, esters, ketones and steam. In addition to being self-extinguishing (it does not spread the flame).

With Certified according to the UL94 fire resistance standard, class V0, and suitable for contact with food according to the FDA standard.

Properties of Viton

They have excellent resistance to ozone, weather, UV rays, etc.

Excellent compression set at high temperatures

Excellent resistance to acids and alkalis

Exterior applications

Excellent resistance to oils and fats

Weak resistance to esters and ketones

Great resistance to both aliphatic, aromatic and chlorinated hydrocarbons

Does not spread the flame, self-extinguishing

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