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Viton (FKM) Chemical Resistance Chart

Viton is a premium fluoroelastomer offering the broadest chemical resistance of any elastomer. Excellent for aggressive chemicals, fuels, and high temperatures.

950+ chemicals tested 20°C & 50°C data

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Excellent (A)

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Good (B)

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Limited (C)

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Not Recommended (D)

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Chemical	Concentration	20°C	50°C	CAS

Viton (FKM) Properties

Full Name Fluoroelastomer (FKM/FPM)

Brand Name Viton® (Chemours)

Max Temperature 200°C (392°F) continuous

Min Temperature -20°C (-4°F)

Common Applications

Chemical Processing

Seals and gaskets for aggressive chemical environments

Aerospace

Fuel system seals, hydraulic seals

Automotive

Fuel injector O-rings, emission system seals

Not Recommended For

Viton (FKM) may degrade when exposed to:

Ketones (acetone, MEK)
Low molecular weight esters

Amines
Hot water and steam above 150°C

Tip: For ketone resistance, consider EPDM. For steam service, EPDM is better suited.

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