Aflas® TFE (Tetrafluoroethylene/propylene dipolymer)
Aflas is a brand name manufactured by 3M. Aflas is an alternative to perfluoroelastomers in many applications. It offers excellent chemical and electrical resistance, and service temperatures to 400 degrees F (204 C) It is especially resistant to newer specification automotive lubricants, battery acids, jet and rocket fuels, oilfield applications, and more. The most common use in plastic valves is in ozone water treatment systems, where it is excellent.