Also Called: 1-Hexene, 3,3,4,4,5,5,6,6,6-nonafluoro-, polymer with ethene and tetrafluoroethene;1-Hexene, 3,3,4,4,5,5,6,6,6-nonafluoro-, polymer with ethene and 1,1,2,2-tetrafluoroethene;3,3,4,4,5,5,6,6,6-Nonafluoro-1-hexene polymer with ethene and tetrafluoroethene;ETFE