NEOFLON PFA AP-Series NEOFLON PFA is a copolymer of tetrafluoroethylene and perfluoroalkyl vinylether. It is a perfluoro polymer consisting of only carbon atoms and fluorine atoms without any hydrogen atom. It has the same excellent performance as PTFE in a wide range from extremely low to high temperatures. In addition, it has excellent transparency, mechanical strength at high temperature. It can be molded in the same molding method as general thermoplastic resins.