... -13-2 Molecular Formula: ZnO EINECS NO: 215-222-5 Purity: 99.5%, 99.7%, 99.8%, , 98%, 95 Grade Standard: Electron, Rubber ... .21.03.04.0Cadmium oxide (CdO) % ≤0.020.05------Cupric oxide (CuO) % ≤0.006--------Manganese (Mn) % ≤0.0002--------Metallic Zinc (in accordance with ... .60.71.03.0Sieve Residue (45um mesh ) % ≤0.280.320.50.50.5Volatile % ≤0.40.40.50.50.5contact person: Anne zinc ...