1lead -free solder wire 0.8mm Sn-0.3Ag-0.7Cu 2flux core wire,single or three cores of rosin, 3 excellent wettability flux-cored solder wire lead -free solder wire 0.8mm Spec: Lead free: Sn-0.7Cu,Sn-0.7Cu-Ni-Ce,Sn-0.3Ag-0.7Cu,Sn-3.0Ag-0.5Cu Sn60Pb40, Sn63Pb37, Sn55Pb45, Sn50Pb50, Sn45Pb55, Sn40Pb60, Sn35Pb65, Sn30Pb70, Sn25P75 flux-cored solder wire: Product NameAlloy compostion (WT %) Use ...