| Parameter | Value |
|---|---|
| Appearance | Graysh-white crystals |
| Potassium chloride (KCl) | 95% min |
| - in terms of K2O | 60% min |
| - in terms of K | 51.1% |
| Sodium chloride (NaCl) | 2.1% |
| - in terms of Na | 0.8% |
| Magnesium (Mg) | 0.01% |
| Calcium (Ca) | 0.01% |
| Insolubles in water | 0.02% |
| Moisture | 0.5% max |