... 90% feed grade ZNO: 80%,90%,95%,98%,99% Zn: 64.2%,72%,75%,78.7%,79 ... of zinc oxide2. free sample3.content 75-99.7% 1.We produce Zinc Oxide (direct ... , printing & dyeing, magnetic, electronics, fodder, picture tube, etc.Zinc oxide of indirect method Molecular weight:81. ... , printing & dyeing, magnetic, electronics, fodder, picture tube, etc.Zinc oxide(Zn0 calculating as dry material)%≥Lead oxide ...