| S/N | Items | Technical Indexes |
|---|---|---|
| 1 | Appearance | Milky white to pale yellow globular particles |
| 2 | Particle size range (mm) ≥ 95% | 0.315-1.25 |
| 3 | Moisture Content(%) | 50-60 |
| 4 | Wet apparent density (g/ml) | 0.63-0.75 |
| 5 | True density (g/ml) | 1.06-1.10 |
| 6 | Sphericity after attrition (%) ≥ | 90 |
| 7 | Total exchange capacity (mmol/g) ≥ | 2.6 |
| 8 | Functional group | --N+(CH3CH2)3 |