Zinc oxide (ZnO),% 95 ~ 98
105 °C volatile mass fraction,% ≤ 0.5
Water-soluble matter,% ≤ 0.5
Loss on ignition,% ≤ 1 ~ 4
Hydrochloric acid insoluble substance,% ≤ 0.04
Lead oxide (Pb),% ≤ 0.01
Manganese oxide (Mn),% ≤ 0.001
Copper oxide (Cu),% ≤ 0.001
Cadmium oxide (Cd),% ≤ 0.005
Fineness (45um test sieve),% ≤ 0.1
Specific surface area m2 / g, ≤ 40