... painting,rubber,chemicals ext industrial. 2.high purity and snow white appearance. 3.Indirect process Zinc Oxide 99.7% ... Industry Grade Molecular FormulaZnOM.W.81.38Property white powder,innocuous,odorless,stable under normal temperature.soluble in ... chloride solution,insoluble in water and alcohol. Appearance White powder Specification (%)itemFirst gradeSecond gradeThird gradeZnO dry99.7min99. ...