The details of solder wire
1.Alloy:Sn63Pb37, Sn60Pb40,Sn55Pb45, Sn50Pb50, Sn45Pb55,Sn62Pb36Ag2 ,etc.
             Sn-0.7Cu,Sn-3.5Ag,Sn-3.0Ag-0.5Cu,Sn-0.3Ag-0.7Cu,Sn-3.5Ag-0.75Cu,Sn-4Ag-0.5Cu ,etc.
2.Size: diameter 0.5~8.0mm
3.Package:    3.1  the weight of each roll:1000g(250g,450g,500g)
                         3.2 the weight of each box:10Kg(5Kg)
4.GB3131-2001 standards