6640 Polyester film/Nomex Paper composite material (NMN) is a three-layer flexible laminate in which Nomex Paper is bonded to the two sides of polyester film. Characters It is Class F insulating material. This product has high mechanical strength, excellent electrical property, and good heat-proof functions. Application It is suitable for F-class electrical motors as slot liner and turn-to-turn insulation. Nominal thickness(mm):0.15,0.18,0.2,0.23,0.25,0.3,0.35 Nominal width(mm):914mm