6630 polyester film 6630 polyester film/polyester fiber non-woven fabric flexible composite material (dmd) consists of two layers of polyester fiber non-woven fabric and a single layer of polyester film in the center Characters It is class b insulating material. This product has excellent mechanical strength, strong deflection, be suitable for mechanized insert slot. Application It is suitable for y electrical motors as slot liner and turn-to-turn insulation. Nominal thickness(mm):0.15, 0.18, 0.20, 0.23, 0.25, 0.30, 0.35 Nominal width(mm):1000mm