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 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.