Introduction
Aluminium Oxide Powders (chemical formula: Al₂O₃) is a high-purity, chemically stable, and hard ceramic material that is widely used in industry, metallurgy, and chemical engineering.
Features
Excellent Hardness
A high Mohs hardness (~9) provides excellent abrasive properties, making it ideal for grinding, polishing, and wear-resistant coatings.
Wide Temperature Resistance
With a melting point of approximately 2,072°C, Aluminium Oxide Powders can be used in high-temperature refractories, kiln linings, and ceramic components without deformation or degradation.
Customizable Particle Size
We offer nano, micro, and molten grades for applications in ceramics, polishing, metallurgy, and electronics.
After-sales Service
Our experienced installation team ensures on-site setup, calibration, and testing for smooth equipment operation. Customers receive detailed manuals and instructional videos to quickly learn and master equipment use.
Through remote support, our technical team assists with troubleshooting and provides one-on-one consulting for accurate solutions. In emergencies, we prioritize rapid response, delivering efficient and reliable after-sales support.
Company Introduction
Hemei Semiconductor provides ultra-precision grinding, polishing, and CMP solutions for semiconductor substrates, wafers, devices, and MEMS. Its advanced process for fourth-generation materials improves efficiency, yield, and control.
With a skilled production team and strategic partnerships, Hemei meets the growing demands of 5G, new energy vehicles, and aerospace, establishing itself as a leader in semiconductor processing technology.
FAQ
Q: What is Aluminium Oxide Powder used for?
A: Aluminium oxide powder is used in refractories, abrasives, polishing, ceramics, metallurgy, coatings, and chemical applications due to its high hardness, thermal stability, and chemical inertness.
Q: What purity grades are available?
A: Common grades range from 99.5% to 99.99%, with high-purity grades recommended for electronics, ceramics, and precision polishing, while standard grades are suitable for abrasives and metallurgical applications.
Q: What particle sizes are offered?
A: Available in nano (20–100 nm), micron (0.5–10 µm), and fused alumina particles, enabling tailored performance for polishing, refractory production, and electronic components.
Q: How is aluminium oxide powder supplied?
A: Typically supplied in 25–50 kg fiber drums or plastic-lined bags, with moisture-resistant packaging suitable for industrial storage and transport.
Q: Can it withstand high temperatures?
A: Yes. With a melting point of ~2,072°C, it is ideal for refractory bricks, kiln linings, and high-temperature ceramic components.
Q: Is it suitable for polishing applications?
A: Absolutely. Fine and uniform particles provide fast material removal, smooth surface finish, and minimal scratches for glass, metals, and optical components.
Q: Can aluminium oxide powder be used in electronics?
A: Yes. High-purity grades exhibit excellent dielectric properties, mechanical strength, and thermal stability, suitable for insulating substrates, coatings, and advanced ceramics.
Q: What factors should buyers consider when selecting alumina powder?
A: Key factors: purity, particle size, hardness, thermal stability, and intended application. Choosing the right grade ensures process efficiency and end-product quality.
Q: What industries commonly use aluminium oxide powders?
A: Industries include metallurgy, ceramics, abrasives, electronics, chemical processing, water purification, coatings, and refractory production, reflecting its versatility and multi-industry value.
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