1.white powder 2.a kind of two characters zinc ... and alkaline solution Zinc Oxide 99%,99.5%,99.7% 1.Zinc Oxide Grades : Indirect process Zinc Oxide, Direct Process ... , nanometer Zinc Oxide, etc. 2.Property: White powder, odourless, relative density 5.606, stable under normal temperature. Insoluble in water and ... 01% 0.01% 0.01% Water Soluble Matter≤ 0.1% 0.1% 0.1% 45um Sieve Residue ≤ 0.15% 0.15% 0. ...