At present, there are few manufacturers that can produce nano precipitated barium sulfate in China, and its price is relatively high. Nano precipitated BASO4 is mainly used in high-grade paint, coating and other industries.
| SPECIFICATION | ||
| Apperance | White Powder | |
| D50 (μm) | max | 0.3 |
| BaSO4 content (%) | 99 | |
| Volatile matter (105℃) | max | 0.3 |
| Whiteness (%) | min | 99 |
| Oil Absorption g/100g | 15~18 | |
| Ph Value | 7~9 | |
| Specific Gravity g/cm3 | 4.35~4.4 | |
| Water Soluble Matters (%) | max | 0.01 |
| Refraction Index | 1.64 | |
| Iron Fe (%) | max | 0.0008 |
| Electrical Conductivity (Us/cm) | max | 120 |