YFG-902 ( Grade: KM-355P ) is a Weatherable Acrylic Impact Modifier used in rigid ... /cm3)0.40-0.55Equivalent Grade: FM-50, D-520, KM-355P, D-320, FM-40 etc.4. ApplicationYFG-902 is ... : Profiles, sheets, pipes, pipe fitting, etc. Acrylic Impact Modifier Grade: KM-355P