Fomblin YR-1800, C3F6, CAS Number-69991-67-9, propene, hexafluoro, propylene, hexafluoro, perfluoropropene, perfluoropropylene, perfluoro-1-propene, 1,1,2,3,3,3-hexafluoro-1-propene, hexfluoropropylene, hexafluoropropylene, 1-propene, 1,1,2,3,3,3-hexafluo