... ): 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, thermal conductivity , solder ... tangle. When soldering tip less residue. Lead-free solder wire(Sn96.5Ag3Cu0.5)