KY7031M Electrical polyester fiber non-woven is made from 100% pure polyester fiber, with high heat resistance, excellent impregnating and dielectric properties, widely used for base materials of DMD70, DMD100, Prepreg DMD, reinforcement material of mica tape, base layer of insulation varnished cloth and other electrical flexible laminates and also be used for wrapping of motor coil and magnet wire & cable.