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Home > FKM fluorocarbon > Selecting Types

Selecting the Type of FKM That Is Best For You

Select the best grade of Fluorocarbon (FKM) for your application

* Copyright for photograph

There are three general use types of FKM fluorocarbon designed to meet specific end-use and processing needs. This table shows how different types of FKM compare in chemical resistance and mechanical properties.

Selecting the type that best meets your needs is important and help is available from Problem Solving Products, Inc. (303-758-2728).

Relative Chemical Compatibility and Mechanical
Properties of FKM Fluoroelastomers
 
FKM
Family Types
Chemical Environment
A
B
F
Automotive and aviation fuels
1
1
1
Automotive fuels oxygenated with MEOH, ETOH, MTBE, etc.
4
2
1
Engine lubricating oil, SE and SF
2
1
1
Engine lubricating oil, SG and SH
3
2
2
Aliphatic hydrocarbon process fluids, chemicals
1
1
1
Aromatic hydrocarbon process fluids, chemicals
2
2
1
Aqueous fluids, steam mineral acids
3
2
2
Strong base, high pH, caustic, aminos
4
4
4
Low molecular weight carbonyls - 100% concentration (MTBB, MBK, MIBK, etc.)
4
4
4
Compression Set and Low-Temperature Performance
fluorocarbon
fkm
space
Resistance to compression set
1
2
2
Low-temperature flexibility
2
2
3

Key: 1 = Excellent 2 = Fair to Good 3 = Poor 4 = Not Recommended

Next: FKM Fluorocarbon Consists of Three Families of Polymers

* Photograph © Can Stock Photo Inc. | michaeljung

 

 

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