... IEC60502 standard,600/1000v 3.100% tested before shipment welding wireDescription:1.meterial:inc alloy,wire length and type ... according to youdemand.2.usage:used for PCB,home appliance, auto,wquipment and so on3 ... range: AWG28# -32#about uswe are specialize in welding wire for more than 8 years. Our product's ... main customers coming from Eropean,America, Southeast Asia welding wire