Direct Zinc Oxide 90% CAS No.: 1314-13-2 ISO certificate, SGS test report available Usage: paint, enamel, tyres, ceramic Main Types of Our Products Indirect Method / French Process: Zinc Oxide 99.5%, 99.7%Direct Method / American Process: Zinc Oxide 90%, 92%, 93%, 95%, 96%, 97%, 98%, 99% Application Zinc Oxide can be added into various materials and products, including plastics, ceramics, glass, ...