Direct Zinc Oxide 97% CAS No.: 1314-13-2 ISO certificate, SGS test report available Usage: paint, enamel, tyres, ... well, and lower the physical parametererror of the electronic component.2. High purity, it is convenient to operate and better for ... .40.50.7 Storage Packed in dry and airiness place, no contact with acid and alkali, In good condition, its valid ...