
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
Albasoftยฎ 90 is an extremely white, highly dispersed barium sulphate extender. It is processed at the Deutsche Baryt-Industrie site using special preparation and refining methods, including modern jet milling, ensuring freedom from calcium carbonate and a low yellowish index.
| Property | Specification | Unit | Method |
|---|---|---|---|
| Medium particle size x50 | approx. 1.4 | ยตm | Cilas 920 |
| x97 / top-cut | approx. 4.5 | ยตm | Cilas 920 |
| Sieve residue at 32 ยตm | < 0.05 | % | DIN EN ISO 787-7 |
| BaSO4 content | approx. 98 | % | DIN EN ISO 3262-2 |
| Si content | approx. 0.3 | % | โ |
| Ca content | < 0.1 | % | โ |
| Electrical conductivity | < 100 | ยตS/cm | DIN EN ISO 787-14 |
| Brightness Ry | approx. 94 | % | DIN 53163 |
| pH-value | approx. 8 | โ | DIN EN ISO 787-9 |
| Density | approx. 4.4 | g/ml | DIN EN ISO 787-10 |
| Refractive index | 1.64 | โ | Literature |
| Hardness (Mohs) | 3-4 | โ | Literature |