Character & Purpose: Hoar powder，Mainly use for agriculture fertilizer, also use for paper making, printing and dyeing industry, etc.
Packing: 50KG PP/PE BAG
Formula: MgSO4.H2O
Standard:
| Item | Spec.（Grade I） | Spec.（Grade II） |
| Magnesia/% | 27 Min. | 25 Min. |
| Water-solubility Magnesia/% | 25 Min. | 21 Min. |
| Sulphur/% | 21 Min. | 16.5 Min. |