... solder wire(Sn96.5Ag3Cu0.5): Jion high anti-oxidation element, Melting, mixing, testing, molding ,bright solder Lead-free solder wire(Sn96.5Ag3Cu0.5):Alloy ... compositionSn96.5Ag3Cu0.5, good copper, tin wettability and electrical conductivity, ... tangle. When soldering tip less residue. Lead-free solder wire(Sn96.5Ag3Cu0.5)