... 8mm,1.2mm and 2.0mm diameter.SpecificationsProduct TypeSolder wire Sn42Bi8BrandBBIENMaterialTin-Bisuth alloyCompositionSn,BiMelt point138 degreeFlux contentWithout flux ... as well as headphone series electronics circuit. board.2)High precision semiconductor industry:Sn42-Bi58 solder wire can be also ... that you make too?We produce Zn wire,Sn wire,Mo wire,Indium wire;We still make special metal alloy:e. ...