... and ethanol, soluble in acid, liquid ammonium chlorideApplication: Electroplating active copper oxide is mainly used in circuit board plating. Industrial ... , enamel, etc. To make fireworks, dyes, contact agents, and other copper salt. It can also be used in artifical silk industry ... -creasing agent for oil paints or used in electronic industry.Copper Oxide Specification:-CuO--99.8% min-Fe--0.1% max ...