Yttria stabilized zirconia beads
1. Features:
1. Features:
1 )With a very low abrasion(ppm) to prevent pollution
2) High grinding efficiency
3)High strength and Resistance to corrosion:
4) Extremely long working life, low cost.
5) high viscosity, wet grinding and dispersion of occasions
2. Physical parameters
Items | Unit | Data |
Chemical Compsision | wt% | ZrO2+ HfO2 >= 94.5% , Y2O3 4.50±0.2% |
Packed Density | g/cm3 | 3.6-3.8 |
Specific Density | g/cm3 | ≥6.02 |
Hardness(Mohs) | >8.5 | |
Elastic modulus | GPa | 200 |
Abrasiveness | % | ≤0.01 |
Water absorption | % | <0.01 |
Thermal Conductivity | W/m.K | 3 |
Crushing Load | KN | >2(Φ2mm) |
White content | % | >92 |
Fracture Toughness | MPam1-2 | 9 |
Thermal expansion Coeffcient(20-400 °C) | 10x10 -6 /(20-400) °C | 9.6 |
3. Application:
1) wear-resistant, corrosion-resistant products: paints, textiles, paints, printing and dyeing
2) High strength, high toughness products: magnetic materials,
piezoelectric ceramics, dielectric ceramics
3) to prevent pollution: medicine, food, cosmetics
4)Ceramics: Electronic ceramics, refractory ceramics, structural ceramics.
3) to prevent pollution: medicine, food, cosmetics
4)Ceramics: Electronic ceramics, refractory ceramics, structural ceramics.
By special moulding and sintering technology ,the high purity zirconia beads (TZP,tetragonal zirconia polycrystallite)are produced with strict and scientific quality management and become the best substitute of foriegn's.The beads are exported to more than twenty countries and overseas.
