Material Guide: Perfluoroelastomers

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Our Guide To FFKM – Perfluoroelastomers

Perfluoroelastomers (FFKM) rubbers are fully-fluorinated fluorocarbon elastomers. They fill an important niche for applications involving aggressive chemicals at temperatures up to 325°C.

What Are The Advantages Of FFKM?

They are the most chemically resistant elastomers on the market and have outstanding high temperature, chemical, gas, and liquid permeation resistance. Furthermore, FFKM has excellent steam, ozone and weathering resistance and delivers exceptional performance for sealing thanks to its elastic properties. Because of this, FFKM is highly suitable for use within hazardous environments using aggressive chemicals.


What Are The Disadvantages Of Perfluoroelastomers?

There are not many disadvantages of FFKM other than the fact that it is extremely expensive and has poor physical properties and poor low-temperature properties. Despite its suitability in hazardous environments, FFKM does not perform well within below freezing conditions.

What Are The Typical Applications Of FFKM?

Some of the typical applications that FFKM finds use in are:

  • Core Sleeves
  • Chemical Processing
  • Oil & Gas
  • Aircraft Engines
  • Heavy Duty Machinery
  • Automotives

What Temperatures Can Perfluoroelastomers Operate Under?

The typical working temperature range of FFKM is 0°C to +325°C.

Looking for more detailed information on the different types of rubbers and polymers we work with? Then check out our material guides where you can find FAQ’s and more guides like this one detailing all you need to know. If you are looking for rubber or polymer products get in touch with DLR Elastomer today via our contact page or via LinkedIn and we can chat over your requirements.

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