... (FEP) is the copolymer of tetrafluoroethylene (TFE) and hexafluoropropylene ..... FEP Molding (lining) grade Perfluorinated ethylene-propylene (FEP) is the copolymer of ... ±10S.S.G2.12~2.17Volatile(%)≤0.10Process techniquesExcursion, compress molding, transmission moldingCharacteristics,PurposesExcellent thermo-stress craze resistance, used asanti-corrosive ...