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Zirconia microsphere grinding beads
High quality microsphere grinding beads are produced from the consistent high quality yttria‐stabilized zirconia powder through the latest hydrolysis process. It have super grinding efficiency because of highest crushing strength, lowest wear loss. The qualities and properties reach the international advanced level. It is suitable for grinding material down to Nano size such as electronic ceramics;ceramic ink;MLCC;CMP and Photo Catalysts etc.
1. Main Advantage of the zirconia bead/ball
- Excellent wear resistance, Weight loss of ball lee of 4ppm,
- High density, grinding efficiency,
- No impurity, keep the material high degree of purity.
2. Main Use of the zirconia bead/ball
- Electronic material (Such as BaTiO3,BaCO3), Magnetic bands superfine grinding,
- Paint,pigment, Coatings dispesing and superfine grinding,
- Ceramic glaze(zirconia sand) superfine grinding,
- Medication, Cosmetic dispersing and superfine grinding.
3. Available Size
Sphere: Φ0.1-0.3mm, Φ0.6, Φ0.8, Φ1, Φ1.5,Φ2, Φ2.5,Φ3,Φ5, Φ6.5Φ7,Φ10,Φ12,Φ15,Φ20, Φ30,Φ55,Φ60mm
Cylinder: Φ3*3, Φ5*5, Φ7*7, Φ10*10, Φ12*12mm
4.Material Properties
Composition | wt% | 94.6%ZrO2,5.4Y2O3 |
Specific density | g/cm3 | ≥5.95 |
Hardness(HV) | HRA | >10 |
Thermal expansion | X10-6/K | 11 |
Coefficient(20400) | ||
Elastic modulis | GPa | 205 |
Fracture toughness | Mpa·m1/2 | 7-10 |
Bending strength | MPa | 1150 |
Grain size | Um | <0.5 |
Thermal conductivity | w/(m·k) | 3 |
