6020/6021 Polyester film for electronic insulation 6020/6021 Polyester film is biaxially oriented polyethelene terephthalate (PET) film.6020 is a transparent film. 6021 is a milky white film. Characters It is Class E insulating material.This product has good dielectrical and high mechanical properties. Application It is suitable for electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motor, wrapping insulation for coils and cables, as well as producing insulating flexiblecomposite material. Specification thickness(mm):0.025, 0.050, 0.075, 0.10, 0.125 , 0.188, 0.250, 0.300, 0.350