Steatite grinding balls are used for size reduction of minerals, dyes, pigments, cement paints, printing inks and paints in ball mill grinding and attritors. Steatite ceramic is very hard, low on contamination and has anti-wear properties.
Main specifications of Steatite Grinding Balls Type BS-67
| Material Properties |
Units |
Steatite |
| Specific gravity |
g/cm3 |
2,5 |
| Water absorption |
% |
<0.05 |
| Compressive strength |
Kg/cm2 |
8,500 |
| Coefficient of lineair thermal expansion (20ºC to 1000ºC) |
X10(-6)/ºC |
8.5 |
| Mohs hardness |
Scale |
>6.5 |
| Abrasive loss |
% |
<0.008 |
| Chemical and Main Specification |
Value |
| SiO2 |
66-68% |
| MgO |
23-24% |
| AL2O3 |
5-6% |
| Fe2O3 |
<0.50% |
| Na2O |
0.10% |
| CaO |
0.50% |
Available sizes of type BS-67 grinding balls: 3 mm, 6 mm, 9 mm, 10 mm, 12 mm, 13 mm, 15 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 27 mm, 30 mm, 40 mm, 50 mm and 60 mm.
