1a72e037_selection_chart_for_oil_seals___Applications
[Materials & Temperature] FEP -20°C to 204°C [Use With These Fluids] most chemicals [Applications] 
FEP is a tough, chemically inert polymer possessing an incredible working range. Oil seals from this material are for static and slow intermittent dynamic situations. FEP is hampered by a poor memory at low temperature.
Material selection chart for oil seals.
Applications