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By certification 
Technical specifications: indirect zinc oxide1) ZnO: ≥99.7%2) Metallic matter: none
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%
alicefeng999 at live dot com
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%
alicefeng999 at live dot com
