FEP mgbasa DS603 bụ copolymer nke TFE na HFP.Environmental-enyi na enyi perfluorinated ethylene-propylene copolymer mgbasa bụ a mmiri-phase mgbasa ngwọta kwụsie ike site na-abụghị ionic surfactants nke nwere ike weda n'oge nhazi na-agaghị eme ka mmetọ.Ngwaahịa ya nwere ezigbo nkwụsi ike nke okpomọkụ, nguzogide corrosion, kemịkalụ kemịkalụ mara mma, mkpuchi ọkụ eletrik dị mma, yana ọnụ ọgụgụ dị ala nke esemokwu.Enwere ike iji ya na okpomọkụ ruo 200 Celsius C na-aga n'ihu.Ọ bụ inert na ihe fọrọ nke nta ka ọ bụrụ kemịkalụ ụlọ ọrụ na ihe mgbaze niile.