6520-Polyester Film /Fish Paper Flexible Composite Material 6521-Polyester Film /Insulating Paper Flexible Composite Material 6630-Polyester Film/Polyester Fibre Non-woven Fabric Flexible Composite Material (DMD) 6632-Polyester Film/Polyester Fibre Non-woven Fabric Flexible Composite Material (DM) 6641-Polyester Film/Polyester Fibre Non-woven Fabric Flexible Composite Material (Class F DMD) 6640-Polyester Film/ Nomex Paper Flexible Composite Material (NMN) 6650-Polyimide Film / Nomex Paper Flexible Composite Material (NHN) DMD Epoxy Pre-impregnated Material