... : ZnO Molecular Weight: 81.37 Appearance: Coarse white or grayish powder. Zinc Oxide: White powder, innocuous, odorless, stable under normal temperature. Soluble in ... Water Soluble Matter % 0.1max 45um Sieve Residue % 0.15maxUsage: Rubber Industry, Paints Industry, Ceramics Industry, floor tile, glass, feed additive ...