Synonyms: POLY[4,5-DIFLUORO-2,2-BIS(TRIFLUOROMETHYL)-1,3-DIOXOLE-CO-TETRAFLUOROETHYLENE];poly(4,5-difluoro-2,2-bis(cf3)-1,3-dioxole -co-tf;teflon af1600;teflon af2400;POLY(4,5-DIFLUORO-2,2-BIS(CF3)-1,3-DIOXO LE -CO-TFE), 87 MOLE % DIOXOLE;POLY(4,5-DIFLUORO-2,2-BIS(CF3)-1,3-DIOXO LE -CO-TFE), 65 MOLE % DIOXOLE;ptfe af 1600;ptfe af 2400