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TFEP - Aflas O Rings by Polymax

Orings in Aflas


TFE Propylene also called Aflas® is copolymer of tetrafluoroethylene and propylene with a fluorine content of approximately 54%. It is unique due to its resistance against petroleum, steam, phosphate esters and brake fluid.

TFE/P also provides improved chemical resistance to a wide spectrum of automotive fluids and additives. It is resistant to motor oils, engine coolants with high level of rust inhibitors, extreme pressure (EP) gear lubricant, transmission and power steering fluids, brake fluids, mineral oil, and silicone oil.

Anti-Explosive Decompression (AED) compound also available on request.

Temperature Range

  • Up to 204°C (Intermittant)
  • Down to -5°C

Chemical Resistance

  • Petroleum fluids
  • Steam
  • Ammines
  • Brake fluids
  • Phosphate esters

Not compatible with:
  • Very poor compression set at elevated temperatures.



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