Lead-free solder wire(Sn99.3Cu0.7): according to use of temperature is divided into two kinds 300-400, ... WEEE Directive requirements.4.Flux content: small amount of type: 1.2% , moderate-type: 1.6% , Standard: 2.2%.5.Usual ... ,Sn50Pb50,Sn45Pb55,Sn40Pb60,Sn30Pb702.Lead-free solder wire Sn-Cu0.7, Sn-Cu3.0, Sn-Cu0.6-Ni0.1, Sn- ... .75, Sn-Ag4.0-Cu0.5, Sn-Ag0.3-Cu0.7, Sn-Zn9.0, Sn-Sb5, Sn-Bi58. Lead-free ...