Melting point: 1935¦c, insoluble in water, alcohol, ammonia water, soluble in acid and hydrate solution. Chemical analysis: Co72.1% , zn 0.006% , fe0.005%, ni 0.005%, cu 0.005%, mn 0.0015%, as 0.002% , mg 0.002% , pb 0.005% , al 0.0059%. Features: A) black powders, with cobalt contain min. 72.1%, low impurities B) particle size: -325 mesh C) applications: battery materials; ceramic glazes and frits and colors Packing:25kg iron barrel inner plastic bags
