Cobalt Oxide , 1. used in ceramics, pottery and enamels as blue pigment 2. also used as oxidizer, oil paint, etc.... cobalt ... Place of Origin:ChinaCAS No. 1307-96-6Features: Cobalt oxide is black and grey powder, no smell and no ... 0.1%maxPacking50kg/iron drum Application: glass, ceramic, porcelain enamel, magnetic material, cobalt activator, nutrient for domestic animals. Cobalt Oxide Co2O3, ...