... mechanical properties, electricalElectric tools, auto motor and transpormoer, electronic components, coil, stepper motor155grade polyester enameled round copper wiresQZ ... /IEC GB/T6109.10-2008/IEC GB/T6109.23-2008/IECB.FMechanical line, good oil reistance, ... voltage strike through, softening resisitance.Electrical tool, auto-motor and transfomers, elctronic compoments, instruments windings, setp motors ...