IEC 60317-25 pdf – Specifications for particular types of winding wires – Part 25: Polyester or polyesterimide overcoated with polyamide-imide enamelled round aluminium wire, class 200 1 Scope This part of IEC 60317 specifies the requirements of enamelled round aluminium windingwires’ of class 200 with a dual coating. The underlying coating is based on polyester orpolyesterimide resin，which can be modified...