... or three cores of rosin, excellent wettability, fluidity, flux-cored solder wire Spec: Lead free: Sn-0.7Cu,Sn-0.7Cu- ... Sn63Pb37, Sn55Pb45, Sn50Pb50, Sn45Pb55, Sn40Pb60, Sn35Pb65, Sn30Pb70, Sn25P75 flux-cored solder wire: Product NameAlloy compostion (WT %) Use TempZSLF01Sn: 99.5 Cu: 0 ... 228ZSLF10Sn: 96.5 Ag:3 Cu:0.5217-220 Resin-core solder wire(SGS)Feature:Even and bright welding spot, favorable ...