PFA also meets FDA 21CFR.177.1550.
It has high resistance to creep and retention of properties after service at 500°F (260°C), with useful properties at -320°F (95°C)..Natural PFA Sheet,0. PFA Rod and PFA SheetPerFluoroAlkoxy (PFA) offers similar properties to FEP, but PFA is preferred when extended service is required in hostile environments involving chemical, thermal, and mechanical stress.