Complaint
| Appearance | Light yellow to brown |
| Total exchange capacity | 4.5 m mol/ml min |
| Volume exchange capacity | 1.9 m mol/ml min |
| Water retention | 45-50% |
| Bulk density | 0.77-0.87 g/ml |
| Specific density | 1.25-1.28 g/ml |
| Uniform coefficient | 1.6 max |
| Particle size(0.315-1.25 mm ) | 95% min |
| Effective size | 0.4-0.7 mm |
