Contact
CREMER ERZKONTOR GmbH & Co. KG
Beckergrube 38-52
23552 Lübeck
Phone: | +49 451 929 62 - 0 |
Grades: |
Barium sulphate occurs as: - natural mineral Baryte - precipitated (synthetically manufactured) barium sulphate |
---|
Mineralogy: | BaSO4 |
---|---|
Acid solubility: | resistant against acids and bases |
Colour: |
mainly white sometimes grey, reddish, yellowish, brownish, black |
Particle shape: | dense, prismatic, flaky |
Specific weight: | 4,2 - 4,5 g/cm3 |
Specific gravity: | 2,2 - 2,4 g/cm3 |
Melting point: | c. 1580°C |
Brightness: | L* > 90% |
Oil absorption: | c. 15 - 25 g/100 g |
MOHS hardness: | 3 - 3,5 |
Particle size: |
- natural barium sulphate: 200 mesh to > 1000 mesh - precipitated barium sulphate: D50 c. 1 - 2 µm |