Specification
| Standard | High-class | First-calss |
| Purity (BaSO4) | 98% min | 97% min |
| 105°C volatile | 0.3% max | 0.3% max |
| Solubility | 0.3% max | 0.3% max |
| Iron (Fe) | 40ppm max | 60ppm max |
| Whiteness | 94.0 %min | 92.0 min |
| Oil absorption (g/100g) | 10-30 | 10-30 |
| PH value (100g/L) | 6.5-9 | 5.5-9.5 |
| Fineness:(residue on 0.045mm sieve) | 0.2 | 0.2 |
Application:Barium Sulphate can be used as filler for paint, printing ink, rubber, plastic, insulating tape, surface paint agent for photo paper and copper plate. Sizing agent for textile. It also can be used in pigment, porcelain, storage battery, porcelain enamel,glass and flavor etc
