Grinding Media
MillenniTEK manufactures the highest quality grinding media from high purity advanced ceramic materials. Banded satellite spheres and radius-end cylinders are offered in a range of standard sizes from 3/16” to 1.5”. Standard material formulations include 96% alumina, 99.8% alumina, yttria partially stabilized zirconia, magnesia partially stabilized zirconia, and silicon carbide. Other materials include:
| Material | 96AL | 998AL | Y-TZP | MPSZ | SiC |
|---|---|---|---|---|---|
| Norminal Chemistry | 96% Al2O3 | 99.8% Al2O3 | 95% Zro2 5% Y2O3 | 97% ZrO2 | 98.5% SiC |
| Color | White | Ivory | White | Ivory | Black |
| Bulk Density, g/cc | 3.71 | 3.90 | 6.05 | 5.71 | 3.14 |
| Apparent Porosity, % | 0 | 0 | 0 | 0 | 0 |
| Hardness, HV, kg/mm2 | 1100 | 1450 | 1260 | 1050 | 2250 |