Item Index ZnO %≥ 99.7 PbO %≤ 0.037 MnO %≤ 0.0001 CuO %≤ 0.0002 Insoluble in Hcl Solution % ...
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Item Index Excellent grade First grade Qualified grade Content≥％ 57.5 57.0 56.5 loss on ignition％ 25-28 ...
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Items Specified MgO≥ 98 Acid-insoluble substance≤ 0.02 loss on ignition≤ 2.0 Chloride≤ 0.1 ...
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