| ≥1 piece |
|
Name of index |
HG2790-1996 |
|
Content£¨MgO£?£?% |
40.0-43.5 |
|
acid insolubles,% |
≤0.05 |
|
CaO£?% |
≤0.60 |
|
Arsenic (As) ,% |
≤0.0003 |
|
Heavy metal£¨As Pb£?£?% |
≤0.003 |
|
Pb£?% |
≤0.001 |
|
Soluble Salt£?% |
≤1.0 |