... ,high active 3,effectively remove oxides 4,white powder Copper brazing paste FB302P is white powder, has strong activity ... of 850~1150°C, it is suitable for brazing copper and copper alloys, steel and carbon steel, can effectively remove ... -850°CWelding temperature850~1150°CRange of applicationSolder with copper brazing copper and copper alloy, steel and carbon steel, applicable cutting tool ...