Character & Purpose: White powder，light and loose，mainly use for chemical， construction，etc.
Packing: 20KG PP/PE BAG
Formula:MgCO3
Standard: GB1612-1988
| Item | Spec.I | Spec.II |
| MAGNESIA CONTENT/% | 41 Min. | 42 Min. |
| CALCIUM OXIDE/% | 0.40 Max. | 0.40 Max. |
| LOSS ON IGNITION/% | 54~58 | 54~58 |
| IRON CONTENT/% | 0.02 Max. | 0.02 Max. |
| MANGANESE CONTENT/% | 0.0005 Max. | 0.0003 Max. |
| SULPHATE(AS SO4)/% | 0.10 Max. | 0.10 Max. |
| MOISTURE/% | 2.0 Max. | 2.0 Max. |