It used for glass industry, ceramics, paint, coloration, plastic industry and so on. It used for glass industry, ceramics, paint, coloration, plastic industry and so on.Name: Zinc Oxide StandardGB/T 3185-92 Item(%) Index(%) Best First Second ZnO ≥99.799.599.0 Zn ≤ ——0.008Pb ≤0.0370.050.14Mn ≤0.00010.00010.0003Cu ≤ 0.00020.00040.0007 ≤ Matter insoluble in muriatic acid0.0060.0080.05 ≤ Ignition ...