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FKM

About FKM Fluorocarbon

Fluorocarbon elastomers have grown to major importance in the sealing industry. Due to its wide range of chemical compatibility, temperature range, low compression set, and excellent aging characteristics, fluorocarbon rubber is the most significant single elastomer developed in recent history. Fluorocarbon elastomers are highly fluorinated carbon-based polymers used in applications to resist harsh chemical and ozone attack. 

  • The working temperature range is considered to be -26°C to +205°/230°C (-15°F to +400°/440°F).
  • For short working periods it will take even higher temperatures. 
  • Special compounds having improved chemical resistance are also available with new types always being developed in our own R&D centers.

Generally speaking, with increasing fluorine content, resistance to chemical attack is improved while low temperature characteristics are diminished. There are, however, specialty grade fluorocarbons that can provide high fluorine content with low temperature properties.

FKM applications

Fluorocarbon O-rings should be considered for use in aircraft, automobile and other mechanical devices requiring maximum resistance to elevated temperatures and to many fluids. FKM (FPM, Viton®, Fluorel®) resist mineral oils and greases, aliphatic, aromatic and also special chlorinated hydrocarbons, petrol, diesel fuels, silicone oils and greases. It is suitable for high vacuum applications. Many fluorocarbon compounds have a higher than normal mold shrinkage rate, molds for fluorocarbon products are often different from molds for Nitrile.

Viton® by ERIKS

Viton® is the brand name for fluorocarbon rubber polymers of the Chemours Company. This type of polymer is used extensively by ERIKS, however we do not claim or promote the use of any specific brands of polymers in our compounds.

Datasheets FKM

The table below shows the available datasheets for this material in pdf. Safety datasheets are available here.

Ask ERIKS

For more information on FKM or one of our other o-ring materials please visit our contact page or fill in the “Ask ERIKS” form below.

Compound numberMaterialNominal hardnessCompliancesApplicationColourMinimum temperatureMaximum temperatureDatasheet
51414FKMADI,REACH,RoHSChemical Processing | General purposeBlack-20.0200.0
51415FKMADI,REACH,RoHSChemical Processing | General purposeGreen-20.0200.0
51416FKMADI,REACH,RoHSChemical Processing | General purposeBrown-20.0200.0
51466FKMADI,REACH,RoHSGeneral purposeBlack-20.0200.0
514273FKMEN549 E1 H3,ADI,REACHGas distributionBlack-10.0200.0
514320FKMADI,REACH,RoHSChemical Processing | General purposeBlack-20.0200.0
514641FKM3-A,FDA 21 CFR 177-2600,EC1935-2004,ADI,REACH,RoHSFood and BeverageBlack-20.0200.0
514672FKMFDA 21 CFR 177-2600,ADI,REACH,RoHSFood and BeverageWhite-20.0200.0
514712FKMFDA 21 CFR 177-2600,ADI,REACH,RoHSFood and BeverageBlack-30.0200.0
Documentation
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