The F-grade epoxy resin prepreg is made of polyester film polyester fiber non-woven soft composite material and impregnated with heat-resistant epoxy resin. It replaces imported heat-resistant epoxy non-woven fabric pre-impregnated resin non-woven fabric (HTEPP), has excellent electrical properties, heat resistance, flame retardancy, long storage period at room temperature, can be used as dry-type transformer low-voltage coil interlayer insulation and F-class Motor slot insulation and phase insulation.
