... element, Melting, mixing, testing, molding ,bright solder Lead-free solder wire(Sn96.5Ag3Cu0.5):Alloy compositionSn96.5Ag3Cu0.5, ... copper, tin wettability and electrical conductivity, thermal conductivity , solder joints bright,reliable ,Solderwire can beclassified according to the ... Winding uniform alignment will not tangle. When soldering tip less residue. Lead-free solder wire(Sn96.5Ag3Cu0.5)