Copper Brazing Flux PowderProducts Usage Used with cupper base or nickel base filler metal, copper brazing flux powder can braze copper, copper alloy, carbon steel, steel alloy, stainless steel, Tungsten carbide, etc. It can be applied in the brazing methods of furnace brazing, torch brazing, and high frequency brazing.Physical descriptions:White powder, granularity ≤ 150μm, density: 1.2-1.3 g/cm3.Transportation and storage: Kept in shaded and dry environment.ClassificationBrazing temperature (ºC)Character Application AreaFB301S800-1150Powder, soluble, good fluidity, and high cleanable residue.Copper-based brazing, copper and copper alloys, carbon steel, low alloy steel. Radiator, bike, recreation equipment, medical appliance, electric equipment, and hardware tools, and so on.FB301S-1800-1150Powder, soluble, good fluidity, and high cleanable residueCopper-based brazing, copper and copper alloys, carbon steel, low alloy steel. Radiator, bike, recreation equipment, medical appliance, electric equipment, and hardware tools, and so onFB301S-2750-1150good fluidity, and high cleanable residueCopper-based brazing, copper and copper alloys, carbon steel, tool steel and hard alloy. Fish tools and hardware tools etc.