IEC 60317-18 pdf – Specifications for particular types of winding wires – Part 18: Polyvinyl acetal enamelled rectangular copper wire, class 120 1Scope This part of EC 60317 specifies the requirements of enamelled rectangular copper windingwires of class 120 with a sole coating based on polyvinyl acetal or polyvinyl formal resin,which can be modified provided it retains the chemical identity...