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Item | Specification | ||
A | B | C | |
MgO(Mgo) % ≥ | 97.5 | 97.5 | 95.0 |
calcium oxide (Cao) % ≤ | 0.20 | 0.20 | 0.20 |
iron(Fe) % ≤ | 0.02 | 0.02 | 0.02 |
hydrochloric acid insoluble material % ≤ | 0.10 | 0.10 | 0.12 |
screen residue 150um % ≤ | 0.03 | 0.03 | 0.03 |
Heavy Metal Pb % ≤ | 0.004 | 0.004 | 0.004 |
As % ≤ | 0.0003 | 0.0003 | 0.0003 |
Mn % ≤ | 0.0001 | 0.001 | 0.001 |
packing density g/ml ≤ | 0.20 | 0.20 | 0.25 |
Absorption ImgI/g.MgO ≥ | 150 | 120 | 80 |
Magnesium Oxide, Activated1