BAg72Cu(HL308) Main chemical composition: Ag: 72±1, Cu: Balance Performance: Brazing temperature is 825-925°C, good conductivity, not easy to volatilize Application: Suitable for electron tube and vacuum device, brazing molybdenum, nickel And valve elements such as copper, BAg70CuZn(HL307) Main chemical components: Ag: 70±1, Cu: 26±1, Zn: Balance Performance: Brazing temperature is 755-855°C, good electrical conductivity, good plasticity, high strength Application: Brazing for Brass, Brass