... melt5) Good mechanical performance6) Good moisture, bright weld spot8) Forms: Bar, wireWe also produce the solder flux to match with this ... flux.Kinds of Product:1)Tin solder2)Lead-Free solder bar and wire3)Tin welding wireSolder sometimes in is metal alloy ... soldering', 'silver soldering', or brazing.Lead-free solders in commercial use may contain tin, copper, silver, bismuth, indium, zinc, antimony, ...