Physical and Chemical indicator:
Item | Indicator |
MET,% ≥ | 40 |
Mn Content, % ≥ | 15 |
Total arsenic (subject to As), mg / kg ≤ | 5 |
Pb (subject to Pb), mg / kg ≤ | 10 |
Cd(subject to Cd),mg/kg ≤ | 5 |
Water content,% ≤ | 5 |
Fineness (Passing rate W=200µm test sieve), % ≥ | 98 |