| Material |
Main component of the material |
Density g/cm³ |
Abrasion resistance |
Used for grinding material |
| Agate |
SiO2 |
2.65 |
Good |
Soft to medium-hard samples, iron-free grinding |
| Sintered corundum |
Al2O3 (99.7 %) |
3.8 |
Fairly good |
Medium-hard, soft, brittle samples |
| Hard porcelain |
SiO2-Al2O3 (40%) |
2.4-2.5 |
Sufficient |
Soft, fibrous samples |
| Zirconium oxide |
ZrO2 |
5.9 |
Very good |
Fibrous, abrasive samples |
| Hardened steel |
Fe - Cr |
7.9 |
Good |
Hard, medium-hard, brittle samples |
| Hardmetal tungsten carbide |
WC |
14.95 |
Very good |
Hard, medium-hard, abrasive samples |
| Stainless steel |
Fe - Cr - Ni |
7.8 |
Good |
Medium-hard, brittle samples, cryogenic grinding of moist, fibrous and elastic samples |
