... an outcome of zinc by oxidation. Insoluble in water, soluble in acid and alkali. Zinc oxide as chemical additives ... processed by indirect Process, Powder and Granules.in accordance with China national standard (GB/T3185-92 ... 1975 °, is an amphoteric oxide, soluble in acid and alkali, insoluble in water or ethanol. High temperature, yellow, ... , cement, Food, electronic, zinc oxide used in ceramic grade