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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 Number Material Nominal hardness Compliances Application Colour Minimum temperature Maximum temperature Datasheet
51414 FKM 75 ADI,REACH,RoHS Chemical Processing | General purpose Black -20 200
51415 FKM 75 ADI,REACH,RoHS Chemical Processing | General purpose Green -20 200
51416 FKM 75 ADI,REACH,RoHS Chemical Processing | General purpose Brown -20 200
51466 FKM 60 ADI,REACH,RoHS General purpose Black -20 200
514010 FKM 75 ADI,EC1935-2004,FDA 21 CFR 177-2600,REACH,RoHS,USP Class VI Pharmaceutical White -20 200
514162 FKM 94 ADI,REACH,RoHS Oil and Gas Black -20 200
514273 FKM 75 ADI,EN549 E1 H3,REACH Gas distribution Black -10 200
514320 FKM 90 ADI,REACH,RoHS Chemical Processing | General purpose Black -20 200
514530 FKM 90 NACE TM0187,NORSOK M710 Oil and Gas Black -27 230
514531 FKM 90 ADI,NACE TM0297,NORSOK M710,REACH,RoHS Oil and Gas Black -40 200
514532 FKM 90 ADI,NACE TM0187,NORSOK M710,REACH,RoHS Oil and Gas Black -50 200
514641 FKM 70 3-A,ADI,EC1935-2004,FDA 21 CFR 177-2600,REACH,RoHS Food and Beverage Black -20 200
514672 FKM 75 ADI,FDA 21 CFR 177-2600,REACH,RoHS Food and Beverage White -20 200
514683 FKM 75 ADI,EC1935-2004,FDA 21 CFR 177-2600,REACH,RoHS Food and Beverage Black -10 200
514712 FKM 75 ADI,FDA 21 CFR 177-2600,REACH,RoHS Food and Beverage Black -30 200
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