
Zirconium silicate grinding beads

Cerium-stable zirconia beads

Yttrium-stable zirconia beads

Sectional view

outside view

Silica grinding beads

High-purity alumina zhu

| Grinding media type | Yttrium stabilized zirconia beads | Cerium stabilized zirconia beads | Zirconium silicate beads | Alumina beads | Zirconium aluminum composite beads | Silicon nitride beads |
|---|---|---|---|---|---|---|
| Chemical composition | ZRO2=95% Y2O3=5% |
ZRO2=80% CeO2=18% |
ZRO2=65% | Al2O3=92% | ZRO2=80% Al2O3=15% |
Si3N4 |
| g/cm³ True density |
6.0 | 6.2 | 4.0 | 3.7 | 5.5 | 3.2 |
| g/cm³ Bulk density |
3.6 | 4 | 2.5 | 2.0 | 3.3 | 1.86 |
| Hardness | 9 | 9 | 7.2 | 9 | 9 | 9-9.5 |
| Specifications | 0.03-2.0 | 0.05-2 | 0.1-10 | 0.1-10 | 0.1-10 | 0.1-10 |
| Mesh count per inch | Micron um | Mesh count per inch | Micron um | Mesh count per inch | Micron um |
|---|---|---|---|---|---|
| 80 | 187.5um | 1000 | 15.0um | 15000 | 1.0um |
| 100 | 150um | 1250 | 12.0um | 20000 | 0.75um |
| 120 | 125um | 1500 | 10.0um | 30000 | 0.5um |
| 200 | 75.0um | 2000 | 7.5um | 50000 | 0.3um |
| 300 | 50.0um | 2500 | 6.0um | 100000 | 0.15um |
| 400 | 37.5um | 3000 | 5.0um | 150000 | 0.10um |
| 500 | 30.0um | 5000 | 3.0um | 300000 | 0.05um |
| 600 | 25.0um | 8000 | 1.875um | ||
| 800 | 18.75um | 10000 | 1.5um |