... CuOMolecular weight: 79.55Characters: Copper oxide is black to brown amorphous powder or crystalline particles (monoclinic ... monoxide at high temperature can be reduced to metallic copper. Mainly used for circuit board plating ... , glass, ceramic, enamel, paint industry, agent for take away, fungicides, solar heat absorber surface, ... 2Cl¯ ≤%0.010.20.2 High quality black copper oxide plating grade