Technical specifications: indirect zinc oxide1) ZnO: ≥99.7%2) Metallic matter: none 3)PbO (as Pb): ≤ 0.037%4) CuO (as Cu): ≤ 0.0002%5)Mn oxide (as Mn): ≤0.0001%6) HCl insoluble matter: ≤ 0.006%7) L.O.L: ≤0.2 %8) (45um) oversize: ≤0.1%9) Water soluble matter: ≤ 0.1%10) Volatility at 105oC: ≤ 0.3%