Cu-Fe Metal Powder: mainly used for the Oil bearings(substitute 663 powder)\diamond tool\friction material etc. Cu-Fe Metal PowderApplication and specification: mainly used for the Oil bearings(substitute 663 powder)diamond toolfriction material etc. Chemical parametersPhysical parametersCuFeApparent densityGranularityFlow velocity18-22%the rest2.0-2.5 g/ cm3-100 mesh≤40s/50g9-11%the rest2.0-2.5 ...