... Copper-Zinc-Cd,Copper-Zinc,Aluminum base copper welding rods / brazing rods / solder rodsPhos-copper ,Phos-Copper-Silver ,Silver-Copper ... -Zinc-Cd,Copper-Zinc,Aluminum base brazing alloys Phos-Copper Brazing alloysDESCRIPTION: Phos-Copper brazing alloys's main materials are copper ... cost,and perfect welding effect.Needn't to use flux when brazing copper and silver objects,the joints have good strength ...