| Item | Specification | ||
| Standard | High-class | First-calss | Qualified-class |
| Purity (BaSO4) | 98% min | 97% min | 95% min |
| 105°C volatile | 0.3% max | 0.3% max | 0.5% max |
| Solubility | 0.3% max | 0.3% max | 0.5% max |
| Iron (Fe) | 40ppm max | 60ppm max | - |
| Whiteness | 94.0 min | 92.0 min | 88.0 min |
| Oil absorption (g/100g) | 10-30 | 10-30 | - |
| PH value (100g/L) | 6.5-9 | 5.5-9.5 | 5.5-9.5 |
| Fineness:(residue on 0.045mm sieve) | 0.2 | 0.2 | 0.5 |