zinc oxide Purity:90% or 95% Feed grade Low heavy metal Zinc oxide feed grade1. Molecular Formula :ZnO2.Specification:ITEMSUNIT SPECIFICATIONZinc Oxide 90%Zinc Oxide 95%Zinc (Zn)%, minimum7276Lead (Pb)%, maximum0.0050.005Arsenic (As)%, maximum0.0010.001Cadmium (Cd)%,maximum0.0020.002Mercury (Hg)%, maximum0.000010.00001Particle size(-80 mesh (180μm) sieve )%,minimum9595Appearance--------White to ...