Tender For supply of soldering flux in paste form for soft solder (50% tin+ 50% lead) in 500 grams pack , silver brazing flux , bare filler wire, 1.6 mm dia, aws sfa 5.7 er cuni (70/30) , bare filler wire, 2.4/2.5 mm dia, aws sfa 5.7 er cuni (70/30) , solder, soft