... point 1975 °, is an amphoteric oxide, soluble in acid and alkali, insoluble in water or ethanol. High temperature, yellow, white, cold ... packaging 2, the standard package weight: 25kg or 1000kg3, can also be packaged according to user needs ItemsContentPurity (zno)99 ... bag, 1000kg/bag (pallet optioned)USES: Rubber/tyre, pharmacy, Glass, cement, Food, electronic, zinc oxide used in ceramic grade