
This information is based on our present state of knowledge and is intended to provide general notes on our products and their uses. It should not be construed as guaranteeing specific properties or suitability for a particular application
Albawhiteยฎ 40, 60, and 70 are super white, easily dispersible natural barium sulphate extenders produced by Deutsche Baryt-Industrie in the Harz mountains. The product range is characterized by high brightness, low Si-content, and good cost-effectiveness, making it a profitable choice for various applications.
| Property | Albawhite 40 | Albawhite 60 | Albawhite 70 | Unit | Method |
|---|---|---|---|---|---|
| Medium particle size x50 | approx. 6 | approx. 4 | approx. 3 | ยตm | Cilas 920 |
| x97 / top-cut | approx. 25 | approx. 18 | approx. 14 | ยตm | Cilas 920 |
| x99 | approx. 29 | approx. 21 | approx. 17 | ยตm | Cilas 920 |
| Sieve residue at 45 ยตm | approx. 0.1 | โ | โ | % | DIN EN ISO 787-7 |
| Sieve residue at 32 ยตm | โ | approx. 0.1 | โ | % | DIN EN ISO 787-7 |
| Sieve residue at 20 ยตm | โ | โ | approx. 0.1 | % | DIN EN ISO 787-7 |
| BaSO4 content | approx. 98 | approx. 98 | approx. 98 | % | DIN EN ISO 3262-2 |
| Si content | approx. 0.3 | approx. 0.3 | approx. 0.3 | % | โ |
| Electrical conductivity | < 0.1 | < 0.1 | < 0.1 | mS/cm | DIN EN ISO 787-14 |
| Brightness Ry | > 91 | > 91 | > 91 | % | DIN 53163 |
| pH-value | approx. 8.5 | approx. 8.5 | approx. 8.5 | โ | DIN EN ISO 787-9 |
| Density | approx. 4.4 | approx. 4.4 | approx. 4.4 | g/ml | DIN EN ISO 787-10 |
| Refractive index | 1.64 | 1.64 | 1.64 | โ | Literature |
| Hardness (Mohs) | 3-4 | 3-4 | 3-4 | โ | Literature |