Zinc Oxide 99% Rubber grade White powder, it can be used for paint, printing ink,etc. Zinc Oxide 99% Rubber grade Item/Parameter Zinc Oxide% ≥ZnO feed gradeZnO 99.5%ZnO 99.7%ZnO99.9%Metallic Zinc (in accordance with Zn) %0.01NoneNoneNoneLead Oxide(Pbo)%≤0.050.050.0370.001Cadmium Oxide(Cdo)% ≤---------------0.0005Cupric Oxide(Cuo)% ≤0.00040.00040.00020.0002As---------------0.0005Manganese(Mn)% ≤0. ...