6630 Polyester Film/Polyester Fiber Non-woven Fabric Flexible Composite Material (DMD) 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