| Property |
Specification |
| Appearance |
Fine, powdery or granular form |
| Color |
Light gray, cream, or off-white |
| Odor |
Odorless |
| Moisture Content |
10-12% (depending on the grade) |
| Bulk Density |
0.8–1.2 g/cm³ |
| Particle Size |
90-95% passing through a 200 mesh sieve |
| Specific Gravity |
2.5-2.9 |
| pH |
8–10 |
| Viscosity (in water) |
Varies depending on concentration |
| Swelling Index |
20-30 mL/2g (depending on grade) |
| Cation Exchange Capacity (CEC) |
60-100 meq/100g (typical) |
| Clay Content |
75-90% (mainly montmorillonite) |
| Ash Content |
5-15% |
