Barium Sulphate
| SPECIFICATION | ||||
| Specification | Paint Grade | Chemical Grade | Oil Drilling Grade | |
| BaSO4 （on dry basis） | 97%min | 96%min | 92%min | |
| PH value (100g/L suspension) | 6.5-9.0 | |||
| Soluble in Water | 0.30% max | |||
| Iron(Fe) | 0.004% max | |||
| Sulphide (S) | 0.003% max | |||
| Moisture | 0.30% max | |||
| Oil absorption (g/100g) | 10-30 | |||
| Specific Gravity: | 4.30min | 4.30min | 4.23min | |
| Size: | 200mesh, 325mesh, 400mesh, 800mesh, 1250mesh, 2500mesh or as specific requirement. | |||