Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 90–125 µm) is a high-purity alumina powder known for its exceptional hardness, thermal stability, and chemical resistance. With a particle size range of 90 to 125 micrometers, this coarse powder is designed for applications requiring excellent flowability and efficient packing density. Its 99.5+% purity ensures consistent performance in advanced ceramics, abrasives, coatings, and high-temperature industrial processes across sectors like aerospace, automotive, and energy.
1. Key Properties
High Purity (≥99.5%) ensures minimal contamination, providing consistent performance in critical and demanding applications.
Particle Size (90–125 µm) offers enhanced flowability and packing characteristics, ideal for powder-based manufacturing processes and thermal spray coatings.
Exceptional Hardness provides superior wear resistance, making it suitable for abrasive tools, grinding media, and protective coatings.
Thermal Stability enables the material to retain its structural integrity at temperatures above 2,000 °C, essential for refractory and high-temperature industrial applications.
Chemical Inertness ensures durability in chemically aggressive environments, making it ideal for filtration, catalysis, and industrial systems.
2. Applications
Advanced Ceramics & Refractories Alumina is widely used in high-performance ceramics and refractory materials, offering exceptional heat and wear resistance for kiln furniture, nozzles, and industrial components.
Abrasives & Polishing The 90–125 µm particle size is ideal for manufacturing grinding wheels, cutting tools, and polishing compounds, delivering efficient material removal and extended durability.
Thermal Barrier Coatings Alumina-based coatings protect turbine blades, engine components, and industrial equipment from oxidation, thermal cycling, and erosion.
Electronics & Insulation Alumina’s dielectric properties and thermal conductivity make it indispensable for substrates, sensor housings, and insulating materials in electronic devices.
Catalysis & Filtration High-purity alumina acts as a catalyst support and filtration medium, offering stability under high temperatures and corrosive conditions in petrochemical and environmental applications.
3. Advantages
Improved Flow Characteristics The coarse particle size enhances flowability, ensuring consistent feeding and reduced clogging during sintering, spraying, and other powder-based processes.
Wear Resistance Alumina’s extreme hardness extends the lifespan of components and tools exposed to abrasive or high-friction environments.
Thermal Durability Alumina retains its mechanical properties under extreme heat, making it reliable for refractory linings, thermal barriers, and high-temperature industrial applications.
Chemical Stability Resistance to aggressive chemicals enhances the durability of alumina-based products in filtration, catalysis, and chemical processing systems.
Electrical Insulation Alumina’s dielectric properties make it an essential material for insulating components in high-voltage and high-temperature electronic systems.
4. Recent Trends and Research
Additive Manufacturing is exploring the use of coarse alumina powders for producing complex ceramic parts through advanced 3D printing techniques like binder jetting and direct energy deposition.
Advanced Coating Technologies are enhancing the durability, adhesion, and performance of alumina-based thermal and protective coatings for aerospace, automotive, and industrial applications.
Optimized Abrasives are being developed to improve cutting efficiency, reduce wear, and enhance precision in industrial and consumer applications.
Sustainability Initiatives are focusing on recycling alumina from used abrasives and ceramic waste, reducing environmental impact and supporting green manufacturing practices.
Energy Applications are expanding, with alumina playing a growing role in catalysis, filtration, and energy storage systems for cleaner and more efficient processes.
5. Future Prospects
High-Performance Ceramics will continue to advance as improvements in powder processing and sintering enable the production of intricate and durable alumina components.
Innovative Coatings leveraging alumina’s thermal and wear-resistant properties will play an increasing role in aerospace, automotive, and energy industries.
Medical Applications will see growth with alumina’s biocompatibility and wear resistance supporting the development of surgical instruments, dental tools, and implants.
Lightweight Structural Materials reinforced with alumina will expand their use in aerospace and automotive applications, providing enhanced strength-to-weight ratios.
Clean Energy Solutions will benefit from alumina’s applications in catalysis, filtration, and energy storage, supporting sustainability and innovative energy systems.
With its 99.5+% purity and 90–125 µm particle size range, Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 90–125 µm) offers unmatched durability, thermal stability, and wear resistance for a variety of industrial and high-performance applications. From advanced ceramics and abrasives to protective coatings and electronics, alumina remains a cornerstone material for modern engineering and manufacturing.
| Measurement (gr) | 100 grams, 500 grams, 1000 grams |
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