Standard brazing fluxes. They can be used for copper, copper alloys (brass, bronze, nickel silver, copper-nickel), nickel alloys, steel, stainless steel and tungsten carbide.
They are available in paste and powder form for different work areas and on request can be delivered according to Rolls-Royce MSRR 9500.
In the "hot rodding" technique, Easy-flo™ flux powders are very well absorbed by warm soldering rods.