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Aluminium oxide (Al₂O₃) discs are high-purity ceramic components known for their exceptional hardness, thermal stability, and chemical resistance. They are widely used in precision optics, semiconductor substrates, wear-resistant coatings, and industrial filtration applications. Due to their superior mechanical strength and insulating properties, aluminium oxide discs play a crucial role in advanced engineering, biomedical devices, and specialized industrial solutions.
Product Overview
Aluminium oxide (Al₂O₃) is a high-hardness, high-temperature chemical compound commonly used in the manufacture of refractory materials and precision components. With a melting point of 2054°C and a boiling point of 2980°C, it offers excellent mechanical strength and chemical stability. Aluminium oxide is widely used across several industries, including precision instruments, aerospace, and consumer goods manufacturing.
Features
- High hardness, suitable for high-temperature and high-pressure environments
- Excellent wear resistance and corrosion resistance
- High melting and boiling points, ideal for harsh working conditions
- Good 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 precision instruments
- Consumer Goods Manufacturing: Used as a polishing agent and wear-resistant material
- Casting/Die-Casting: Molds and refractory materials
- Semiconductor Industry: High-performance electrical insulators
- Decorative Materials: Used for gemstones and synthetic ruby crystals
| 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 | ||
