SEARCH Articles Figures Tables Copolymers of Tetrafluoroethylene and Hexafluoropropylene (FEP) Copolymers tetrafluoroethylene-hexafluoropropylene FEP [Tetrafluoroethylene-hexafluoropropylene Fluorine-containing polymers tetrafluoroethylene-hexafluoropropylene Hexafluoropropylene Tetrafluoroethylene Tetrafluoroethylene and hexafluoropropylene