High-Purity Alumina Powder (Al2O3)
High-purity alumina powder (Al2O3) is a ceramic material renowned for its exceptional purity, offering outstanding mechanical strength, heat resistance, and wear resistance. With its high insulation properties and chemical stability, it is widely utilized in various fields, including electronic components, optical devices, and medical equipment.
Features
- High Purity
- Extremely low levels of impurities ensure stable performance.
- High Hardness and Wear Resistance
- Excellent mechanical strength makes it suitable for use as material in abrasives and cutting tools.
- Heat Resistance
- Maintains stability even in high-temperature environments, making it suitable for use in refractory materials and electronic substrates.
- Excellent Electrical Insulation
- Ideal as an insulator for electronic and electrical components.
- Chemical Stability
- Resistant to acids and alkalis, maintaining performance even in harsh environments.
Applications
- Raw material for rare-earth tri-phosphor fluorescent materials, **long afterglow phosphors (non-radioactive luminous powder)**
- Protective film for lithium-ion battery materials, optical coating material
- Ceramic substrates, insulators
- Precision abrasives, glass products, metal products, semiconductor materials, plastics, magnetic tape, abrasive belts, etc.
- Paints, coatings, wear-resistant reinforcement for rubber and plastics, high-grade waterproof materials
- Vapor deposition materials, special glasses, composite materials, resin materials
- Catalysts, catalyst carriers, analytical reagents
- Sapphire single crystals, sapphire ingots, sapphire substrates, sapphire blocks, synthetic gemstones, laser crystals, etc.
4N High-Purity Alumina Powder (Al2O3)
| Contents | Y-Al₂O₃ | a-Al₂O₃ |
|---|---|---|
| Al₂O₃ Content (%) | ≥99.99 | ≥99.99 |
| Si (ppm) | <5 | <5 |
| Fe (ppm) | <2 | <2 |
| Mg (ppm) | <1 | <1 |
| Ca (ppm) | <1 | <1 |
| Cu (ppm) | ≤2 | ≤2 |
| Co (ppm) | <1 | <1 |
| Ni (ppm) | <1 | <1 |
| Pb (ppm) | <1 | <1 |
| Na (ppm) | <1 | <1 |
| Specific Surface Area (m²/g) by BET Method | 100±10 | 3-5 |
| d50 (μm) | 4-20 | 0.5-20 |
5N High-Purity5N High Purity Alumina Powder (Al2O3)
| Type | 5N Alumina Pallets | Alumina Granules | Alumina Balls | Alumina Polycrystal |
|---|---|---|---|---|
| Size | φ50 / φ60 | 2-5mm | 2mm | <50mm-150mm |
| Bulk Density (g/cm³) | / | 1.8 | 2.0 | 2.0 |
| True Density (g/cm³) | ≥3.7 | / | / | / |
| Al₂O₃ Content (%) | ≥99.999 | ≥99.999 | ≥99.999 | ≥99.999 |
| SI (ppm) | ≤2.5 | <2.5 | <2.5 | <2.5 |
| Na (ppm) | <1 | <1 | <1 | <1 |
| Fe (ppm) | <1 | <1 | <1 | <1 |
| Ca (ppm) | <1 | <1 | <1 | <1 |
| Mg (ppm) | <1 | <1 | <1 | <1 |
| Cu (ppm) | <1 | <1 | <1 | <1 |
| Pb (ppm) | <1 | <1 | <1 | <1 |
| Ti (ppm) | <1 | <1 | <1 | <1 |
Low-Temperature Sintered High-Purity Alumina Powder (Al2O3)
| Specifications | HBAA03N08Z | HBAZ06NOOF | HB3NA05N12ZM | HBWA018N0OZM | HBWA025N50Z | HBWA025N50ZM |
|---|---|---|---|---|---|---|
| XRD (Phase Composition) | a-Al₂O₃ | a-Al₂O₃ | a-Al₂O₃ | a-Al₂O₃ | a-Al₂O₃ | a-Al₂O₃ |
| Median Particle Size D50 (μm) | 0.3-0.4 | 0.5-0.6 | 0.3-0.7 | 0.18±0.02 | 0.27±0.03 | 0.27±0.03 |
| Specific Surface Area (m²/g) | 7±1 | 6.5±1.5 | 8±1 | 11±1 | 8±1 | 8±1 |
| Bulk Density (g/cm³) | 1±0.1 | 0.4±0.05 | 1±0.1 | 1±0.1 | 1±0.1 | |
| Loss on Ignition (LOI, wt%) | ≤2 | ≤1 | 1.2-2 | ≤1 | ≤6 | ≤6 |
| Shrinkage Ratio (%) | 17.5±1 | 18±1 | 17.5±1 | 17±1 | 17±1 | |
| Sintered Density (g/cm³) | ≥3.92 | ≥3.9 | ≥3.95 | ≥3.94 | ≥3.94 | |
| Strength (MPa) | ≥350 | ≥350 | ≥500 | ≥450 | ≥500 | |
| Si (ppm) | ≤15 | ≤15 | ≤300 | ≤15 | ≤15 | ≤15 |
| Fe (ppm) | ≤5 | ≤5 | ≤100 | ≤5 | ≤5 | ≤5 |
| Mg (ppm) | ≤2 | ≤2 | 300 | 300 | ≤2 | 300 |
| Na (ppm) | ≤5 | ≤5 | ≤300 | ≤5 | ≤5 | ≤5 |
| Cu (ppm) | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 |
| Ca (ppm) | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 |
Zirconia Toughened Alumina Ceramics (ZTA)
Zirconia Toughened Alumina Ceramics (ZTA) is a high-performance composite material manufactured by combining two types of materials: zirconia and alumina. It is characterized by high strength and high toughness, as well as excellent chemical stability and thermal stability. With the growing demand for high-quality ceramic components, ZTA is gradually gaining popularity in the ceramics industry.
Specification: HWZ20D02N00Z
| Item | Analysis Data | Inspection Method | |
|---|---|---|---|
| Specific Surface Area (m²/g) | 10∼12 | BET | |
| Particle Size Distribution (μm) | D10 | 0.1 | Malvern Mastersizer 2000 |
| D50 | 0.2 | ||
| D90 | 0.6 | ||
| Moisture Content (wt%) | ≤0.6 | At 150℃ (5min) | |
| Loss on Ignition (wt%) | 0.2-0.3 | At 1100℃ (1h) | |
| Green Density (g/cm³) | 2.4±0.2 | At 180MPa (20s) | |
| Sintered Density (g/cm³) | ≥4.3 | At 1550℃ (5h) | |
| Shrinkage Rate (%) | 20 | ||
| Strength (MPa) | 580 | Universal testing machine | |
| Item | Analysis Data | Inspection Method |
|---|---|---|
| ZrO₃ (wt%) | 20 | XRF |
| Fe₂O₃ (wt%) | ≤0.001 | ICP |
| SiO₂ (wt%) | ≤0.001 | |
| CaO (wt%) | ≤0.001 | |
| Na₂O (wt%) | ≤0.001 |
Specifications: HWZ20D02N12ZM
| Item | Analysis Data | Inspection Method | |
|---|---|---|---|
| Specific Surface Area (m²/g) | 10∼12 | BET | |
| Particle Size Distribution (μm) | D10 | 0.1 | Malvern Mastersizer 2000 |
| D50 | 0.2 | ||
| D90 | 0.6 | ||
| Moisture Content (wt%) | ≤0.6 | At 150℃ (5min) | |
| Loss on Ignition (wt%) | 1.3-1.5 | At 1100℃ (1h) | |
| Green Density (g/cm³) | 2.4±0.2 | At 180MPa (20s) | |
| Sintered Density (g/cm³) | ≥4.3 | At 1550℃ (5h) | |
| Shrinkage Rate (%) | 20 | ||
| Strength (MPa) | 680 | Universal testing machine | |
| Item | Analysis Data | Inspection Method |
|---|---|---|
| ZrO₃ (wt%) | 20 | XRF |
| MgO (wt%) | 0.1 | |
| Fe₂O₃ (wt%) | ≤0.001 | ICP |
| SiO₂ (wt%) | ≤0.001 | |
| CaO (wt%) | ≤0.001 | |
| Na₂O (wt%) | ≤0.001 |