Product Description Molecular formula: ZnO Molecular Weight: 81.39 CAS No.: 1314-13-2 Specification: ZnO Purity %--99.9min--99.7min--99.5min Metallic metals (as Zn) %--None--None--None Lead oxide (as pb) % --0.001max--0.037max--0.05max Manganic oxide (as Mn) % --0.0001max--0.0001max--0.0001max Copper oxide (as Cu) %--0.0001max--0.0002max--0.0004max Insolubles in HCl solution%--0.006max--0.006max--0.008max Losses on ignition %--0.1max--0.2max--0.2max Screening residues (through 45?µ M mesh) % --0.1max--0.10max--0.15max Soluble matters in Water %--0.1max--0.10max--0.10max Except these, also we have 90%, 95%, 99% purity zinc oxide. Package: In 25kg or 50kg polyethylene film bag with outer polypropylene woven bag. Can be palletized. Property: White powder, stable under normal temperature, good hiding power and colouring power. Insoluble in water and alcohol, soluble in acid, alkali and amkonium solution. Use: Rubber, paint, coatings, ceramics, enamel, printing ink, paper making, cables, electronics, match, chemical engineering, cosmetics, phosphorization liquid, electronics laser material, phosphor, catalysts, manufacture of magnetic materials etc... Item Standard Standard Standard ZnO Purity % 99.9min 99.7min 99.5min Metallic metals (as Zn) % None None None Lead oxide (as pb) % 0.001max 0.037max 0.05max Manganic oxide (as Mn) % 0.0001max 0.0001max 0.0001max Copper oxide (as Cu) % 0.0001max 0.0002max 0.0004max Insolubles in HCL solution% 0.006max 0.006max 0.008max Losses on ignition % 0.1max 0.2max 0.2max Screening residues (through 45?µm mesh) % 0.1max 0.10max 0.15max Soluble matters in Water % 0.1max 0.10max 0.10max
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