We can supply you with good cobalt oxide (cobalt monoxide), and other glass and ceram material Product: Cobalt OxideSpecs.:Co 72% min.Fe 0.2% max.Ni 0.6% max.Mn 0.2% max.Cu 0.2% max.Packing: 25kgs net Iron drumQuantity: 500kgs min.Pls contact us if you are interested in it Cobalt Oxide