Synonyms: 1-Propene, 1,1,2,3,3,3-hexafluoro-, polymer with 1,1-difluoroethene and tetrafluoroethene;1,1-difluoroethene: 1,1,2,3,3,3-hexafluoroprop-1-ene: 1,1,2,2-tetraflu oroethene;VINYLIDENE FLUORIDE-HEXAFLUOROPROPENE-TETRAFLUOROETHENE POLYMER;1,1-Difluoroethylene-tetrafluoroethylene-1,1,2,3,3,3-hexafluoropropenecopol;vinylidene fluoride/ hexafluoropropene/ tetrafluoroethene