High-Purity Zirconia Powder (ZrO2)
High-purity zirconia powder (ZrO2) is a powdered material made from zirconium oxide, featuring excellent heat resistance, mechanical strength, and wear resistance. The powder we offer is a high-purity grade with impurities minimized to the utmost extent, making it suitable for a wide range of applications, including ceramics, electronic components, medical implants, and catalysts.
Features
- High Purity
- Contains extremely low levels of impurities, ensuring stable performance.
- Excellent Mechanical Strength
- High flexural strength and toughness provide outstanding wear resistance.
- Excellent Heat and Corrosion Resistance
- Maintains stable performance even in harsh environments.
- Uniform Particle Size Distribution
- Provides excellent moldability and sintering properties, contributing to product uniformity.
- Stable Crystal Phase
- Possesses a stable crystal structure, allowing for adjustments tailored to specific applications.
Applications
- Structural ceramic components (wear-resistant and heat-resistant: valves, bearings, etc.)
- Medical implants (artificial joints and dental applications)
- Oxygen sensors and electrolytes for fuel cells (for electronic components)
- High-temperature protective coatings (thermal barrier coating materials)
- Catalyst supports and abrasive materials
Hydrothermal Synthesis Zirconia Powder (ZrO2)
| Contents | HW2.2YWDO2NOZ | HW2.5YWDO2NOZ | HW3YWDO2NOZA025 | HW22YWDO2N30ZA25 | HW2.5YBD02N30Z | HW4YWD02N05Z |
|---|---|---|---|---|---|---|
| ZrO₂+HfO₂ (%) | 96 | 95.5 | 94.4 | 96 | 95.5 | 92.9 |
| Y₂O₃ (%) | 4 | 4.5 | 5.6 | 4 | 4.5 | 7.1 |
| Al₂O₃ (%) | 0 | 0 | 0.25 | 2.5 | 0 | 0 |
| 色料 (%) | 0 | 0 | 0 | 2.5 | 3 | 0 |
| SiO₂ (ppm) | ≤10 | ≤10 | ≤10 | ≤10 | ≤10 | ≤10 |
| Fe₂O₃ (ppm) | ≤10 | ≤10 | ≤5 | ≤10 | ≤10 | ≤10 |
| CaO (ppm) | ≤10 | ≤10 | ≤5 | ≤10 | ≤10 | ≤10 |
| MgO (ppm) | ≤10 | ≤10 | ≤5 | ≤10 | ≤10 | ≤10 |
| Na₂O (ppm) | ≤10 | ≤10 | ≤10 | ≤10 | ≤10 | ≤10 |
| Average Particle Size (μm) | ≤0.25 | ≤0.25 | ≤0.25 | ≤0.25 | ≤0.25 | ≤0.25 |
| Specific Surface Area (m²/g) | 11±1 | 11±1 | 11±1 | 11±1 | 11±1 | 11±1 |
| Moisture Content (%) | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 |
| Reduction Rate (%) | ≤0.3 | ≤0.3 | ≤0.3 | ≤3.5 | ≤3.5 | ≤0.8 |
| Bulk Density (g/cm³) | 1.35±0.05 | 1.35±0.05 | 1.35±0.05 | 1.4±0.05 | 1.4±0.05 | 1.35±0.05 |
| Sintered Density (g/cm³) | ≥6.08 | ≥6.08 | ≥6.08 | ≥6.08 | ≥5.98 | ≥6.08 |
| Three-Point Bending Strength (MPa) | ≥1350 | ≥1300 | ≥1200 | ≥1260 | ≥1200 | ≥1000 |
Precipitation Method Zirconia Powder (ZrO2)
| Contents | HG3YFWD05N08Z | HG3YZWD04NO0Z | HG3YFBD05N10Z | HG0YFWD06B7F | HXOYD02B20F | HXOYD02B30F |
|---|---|---|---|---|---|---|
| ZrO₂+HfO₂ (%) | 94.9 | 94.9 | 94.9 | 99.9 | 99.9 | 99.9 |
| Y₂O₃ (%) | 5.1 | 5.1 | 5.1 | 0 | 0 | 0 |
| Al₂O₃ (%) | 0.25 | 0 | 0 | 0 | 0 | 0 |
| SiO₂ (ppm) | ≤20 | ≤10 | ≤20 | ≤10 | ≤10 | ≤10 |
| Fe₂O₃ (ppm) | ≤10 | ≤5 | ≤10 | ≤5 | ≤5 | ≤5 |
| CaO (ppm) | ≤10 | ≤5 | ≤10 | ≤5 | ≤5 | ≤5 |
| MgO (ppm) | ≤10 | ≤5 | ≤10 | ≤5 | ≤5 | ≤5 |
| Na₂O (ppm) | ≤30 | ≤10 | ≤30 | ≤10 | ≤30 | ≤30 |
| Average Particle Size (μm) | ≤0.5 | ≤0.45 | ≤0.5 | 0.6-0.7 | ≤2 | ≤1.2 |
| Specific Surface Area (m²/g) | 8±1 | 9±1 | 8±1 | 7±1 | 18-20 | 28-30 |
| Moisture Content (%) | 0.35±0.1 | 0.4±0.1 | 0.35±0.1 | 0.35±0.1 | 0.7±0.1 | 0.7±0.1 |
| Reduction Rate (%) | ≤1.05 | ≤1.05 | ≤1.2 | ≤0.15 | ≤0.15 | ≤0.15 |
| Morphology | Granular | Granular | Granular | Powder | Powder | Powder |
| Bulk Density (g/cm³) | 1.35±0.05 | 1.4±0.05 | 1.49±0.05 | 0.8±0.1 | 0.35±0.1 | 0.35±0.1 |
| Recommended Sintering Temperature (℃) | 1500 | 1500 | 1400 | - | - | - |
| Sintered Density (g/cm³) | ≥6.07 | ≥6.08 | ≥6.00 | - | - | - |
| Three-Point Bending Strength (Mpa) | ≥1000 | ≥1000 | ≥800 | - | - | - |