... Copper-Silver ,Silver-Copper-Zinc,Silver-Copper-Zinc-Tin,Silver-Copper-Zinc-Cd,Copper-Zinc,Aluminum base brazing alloys Phos-Copper Brazing alloysDESCRIPTION: Phos-Copper brazing alloys ... evaporator,heat exchanger and water heater ect.JCuP-32026.1-6.8The balance710820Contain a little phosphorus,good plastic nature,a ... gas ware,radiant heating and cleaners,polishes ect. good quality silver brazing rods