Copper Brazing Flux is a low temperature item used with all standard Copper Alloys with or without Cadmium.
It is active and protective at about 600° C.
Application of this Flux for dissimilar or similar metals give stronger and clean joints hence this is accepted General Purpose Flux for use with all low temperature Silver Brazing Alloys.
It will successfully flux all the common engineering materials and its residues are soluble in hot water.