Introduction
Zirconia toughened alumina (ZTA) grinding bead is a combination of zirconium oxide and aluminum oxide, sintered at high temperature, ZTA grinding beads feature high strength, fracture toughness, elasticity, hardness, and wear resistance. A common combination of zirconia toughened alumina is 10-20% zirconium oxide and rest aluminum oxide. The 20-30% increase in strength often meets the design criteria needed at a much lower cost. Depending on the percentage of zirconium oxide, the properties of our beads can be manipulated for the applications required.
Features
- Compared to alumina beads, the microstructure of ZTA beads are more compact
- At least 2 times better wear resistance performance than high alumina grinding media
- Good performance-price ratio, greatly reduce production costs, and increase grinding efficiency
Applications
- non-metal mining such as Kaolin, CaCO3 and silica
- Paint, printing ink, pigment etc
- Metal mining such as gold, copper and zinc & lead etc.
- Powder such as titanium pigment, alumina powder, zircon sand, silicon powder
Typical Chemical Composition
| Chemical | TC-ZTA15 |
| Al2O3 % | 80 |
| ZrO2 % | 15 |
Customized composition or density is available according to clients' equipment,
Properties
| Specific Gravity | >3.2 g/cm3 |
| Bulk Density | >2.1 g/cm3 |
| Hardness Mohs | 8 |
| Crushing Strength | 700N(2mm) |
Sizes
| Item | Size (mm) | Item | Size (mm) | Item | Size (mm) |
| TC-ZTA15-0.4 | 0.4-0.6 | TC-ZTA15-1.8 | 1.8-2.0 | TC-ZTA15-3.2 | 3.2-3.4 |
| TC-ZTA15-0.6 | 0.6-0.8 | TC-ZTA15-2.0 | 2.0-2.2 | TC-ZTA15-3.6 | 3.6-3.8 |
| TC-ZTA15-0.8 | 0.8-1.0 | TC-ZTA15-2.2 | 2.2-2.4 | TC-ZTA15-4.0 | 4.0-4.2 |
| TC-ZTA15-1.0 | 1.0-1.2 | TC-ZTA15-2.4 | 2.4-2.6 | TC-ZTA15-4.6 | 4.6-4.8 |
| TC-ZTA15-1.4 | 1.4-1.6 | TC-ZTA15-2.6 | 2.6-2.8 | TC-ZTA15-5.0 | 5.0-5.2 |
| TC-ZTA15-1.6 | 1.6-1.8 | TC-ZTA15-2.8 | 2.8-3.0 | TC-ZTA15-5.4 | 5.4-5.6 |
*ZTA grinding balls are available per request