... 1.a series of solder wire, including SnAg, SnAgCu, SnAgCuSb, SnAgBi 2.Good weldable, good smooth,high purity 1.As request ... TV set, capacitor, computer, communication, advanced acoustics.4 high purity, used in manual soldering and wave crest soldering.Brief ... Technical Committee of Weldingthe drafter of National standard for lead- free solder B. abtained Honour: National Key Hi-tech Enterprise( ...