China Proper Price Top Quality High Fineness Barium Sulphate Superfine Precipitated Barium Sulphate, Find details about China Barium Sulfate, Plastic Transparent Filler Baso4 from Proper Price Top Quality High Fineness Barium Sulphate Superfine Precipitated Barium Sulphate
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 |