... Tin-Lead solder bar and Lead-free solder bar.1) It can applied in radio, communication, meters, instruments and copper, tin and irons ... ) Good mechanical performance6) Good moisture, bright weld spot8) Forms: Bar, wireWe also produce the solder flux to match with this ... brazing.Lead-free solders in commercial use may contain tin, copper, silver, bismuth, indium, zinc, antimony, and traces of other ...