| ≥1 piece | 460 |
Specification | Index |
| Content of total Phosphorus (P) | ≥ 21.0% |
| Content of water-soluble phosphorus (P) | ≥ 40.0% |
| Content of Ca: 15.0-18.0% | ≥ 15..0% |
| F | max 0.18% |
| As | max 0.001% |
| Pb | max 0.0015% |
| Cd | max 0.001% |
| PH | 3.5-4.5 |
| Size | 40 mesh,95% min,in powder,20-60 mesh ,90% min,in granule |
| Appearance | White Powder and White granuler |