宿州Magnesium oxide granule
| Magnesium oxide particles（Industrial grade、agricultural grade、 feed grade） | |
|---|---|
| Item | Specification |
| MgO %min | 65 |
| Mg | 39 |
| CaO %max | 4 |
| Fe2O3 %max | 1 |
| Al2O3 %max | 1 |
| SiO2 %max | 12 |
| Burned down %max | 22 |
| Water-soluble | Slow release |
| Heavy metal Pb | ≤20ppm |
| As | ≤4ppm |
| Size | 2-5mm,Passing rate 95% |
| Form | Granules |
| Free water | 3.5% |
