... 2.2%.5.Usual diameter 0.6mm, 0.8mm, 1.0mm, 1.2mm . small diameter 0.3mm, 0.5mmAll specification :1.Tin- ... lead solder wire Sn70Pb30,Sn60Pb40,Sn55Pb45,Sn50Pb50,Sn45Pb55,Sn40Pb60,Sn30Pb702.Lead-free solder wire Sn-Cu0.7 ... , Sn-Cu3.0, Sn-Cu0.6-Ni0.1, Sn-Ag3.5 ... .5-Cu0.75, Sn-Ag4.0-Cu0.5, Sn-Ag0.3-Cu0.7, Sn-Zn9.0, Sn-Sb5, Sn-Bi58. ...