... -70-3MF: CuOMW: 79.55EINECS: 215-269-1widely used in glass, ceramics, enamel, paint industryStatus: black or brownish black powder,insoluble ... plating ,magnetic material, enamel coloring, ceramics pigment and copper salt. Application: widely used in glass,pigment,desulfurizer,catalyst,etcPacking: net 25kg in plastic ...