... 3)Usage,Ferrite magnetic material copper oxide powder price for circuit board platingMolecular formula: CuOMolecular weight: 79.55 Characters: Copper ... point 1446 °C, Mohs hardness 3-4, dielectric constant 18.10, insoluble in water, soluble in acid, ammonia, ammonium chloride, ... be reduced to metallic copper. Use:1)used for circuit board plating,2)Ferrite magnetic materials and other electronic ...