6521 Polyester film /insulating paper flexible composite material is made of polyester film with insulating paper. Characters It is Class E insulating material. This product has excellent dielectric property and high mechanical property. Application It is suitable for slot insulation, interphase insulation and liner insulation in electric motor and electric apparatus. Nominal thickness(mm):0.15,0.17,0.20,0.22,0.25,0.27,0.30,0.35,0.45 Nominal width(mm):1000mm