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Aluminium oxide (Al₂O₃) crystal is a high-purity ceramic compound known for its exceptional hardness, thermal stability, and electrical insulation properties. It is widely used in industrial ceramics, optical components, semiconductor manufacturing, and advanced material research. Due to its superior wear resistance and structural integrity, aluminium oxide crystal plays a vital role in precision engineering, aerospace applications, and specialized coatings.
Product Overview
Aluminium oxide crystals (Al₂O₃) are high-hardness, high-temperature chemical compounds widely used in refractory materials and other applications that require high-temperature resistance. With a melting point of 2054°C and a boiling point of 2980°C, they offer excellent corrosion resistance, wear resistance, and chemical stability. Aluminium oxide crystals are ideal for the manufacture of precision components in high-temperature environments and are suitable for use under extreme conditions.
Features
- High hardness and excellent heat resistance, ideal for high-temperature environments
- Good corrosion resistance and wear resistance
- Strong chemical stability, insoluble in water
- Customizable specifications and sizes based on customer needs
Applications
- Aerospace: High-temperature components and precision instruments
- Automotive: Wear-resistant parts and high-performance components
- Consumer Goods Manufacturing: Used for grinding wheels, polishing agents, and wear-resistant materials
- Casting/Die-Casting: Molds and refractory materials
- Semiconductor Industry: High-performance electrical insulators
- Decorative Materials: Synthetic gemstones and laser materials
| Element | Measured Value | Standard Value | Unit | Element | Measured Value | Standard Value | Unit | Element | Measured Value | Standard Value | Unit |
| Li | Zn | 5 | ppm | Pb | 1 | ppm | |||||
| B | Ga | Bi | |||||||||
| F | Ge | Y | |||||||||
| Na | 10 | ppm | As | Th | |||||||
| Mg | 2 | ppm | Se | Er | |||||||
| Al | Zr | 5 | ppm | Ru | |||||||
| Si | 5 | ppm | Nb | Rh | |||||||
| P | Mo | Os | |||||||||
| Cl | Pd | Cd | |||||||||
| K | Ag | In | |||||||||
| Ca | 2 | ppm | Sn | ||||||||
| Ti | 1 | ppm | Sb | ||||||||
| V | Ba | ||||||||||
| Cr | 5 | ppm | Hf | ||||||||
| Mn | 5 | ppm | Ta | C | |||||||
| Fe | 8 | ppm | W | S | |||||||
| Co | 5 | ppm | Pt | O | |||||||
| Ni | 5 | ppm | Au | N | |||||||
| Cu | 5 | ppm | Hg | H |
| Crystal Phase | Appearance | Purity% | Specifications (mm) | Impurity Content (ppm) | |||||||||
| K | Na | Ca | Mg | Fe | Si | Ni | Cu | Cr | Total Impurity Content | ||||
| α | White | 99.996 | Diameter 50±3 | ＜1 | ＜7 | ＜2 | ＜4 | ＜4 | ＜7 | ＜1 | ＜4 | ＜1 | ＜40 |
| 99.999 | Height 22±3 | ＜1 | ＜3 | ＜1 | ＜2 | ＜2 | ＜3 | ＜1 | ＜2 | ＜1 | ＜10 | ||
