| Item | Standard |
| Appearance | Black powder, granules |
| Humic Acid | 55%-70% |
| Mesh | 60-80 |
| organic matter | 85% |
| Moisture | 18%/ 28% |
| Water-solubility | 100% |
| K2O | 12%-14% |
| Packing | 25kg/bag |
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