Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 355–500 µm) is a high-purity alumina powder known for its exceptional hardness, thermal stability, and chemical resistance. With a particle size range of 355 to 500 micrometers, this coarse powder is optimized for applications requiring excellent flowability, uniform packing density, and superior durability. Its 99.5+% purity ensures reliable performance in advanced ceramics, abrasives, coatings, and high-temperature industrial applications, making it a valuable material in sectors such as aerospace, automotive, and energy.
1. Key Properties
High Purity (≥99.5%) guarantees minimal contamination, delivering consistent performance in demanding applications.
Particle Size (355–500 µm) offers excellent flow characteristics and packing density, making it suitable for powder-based manufacturing, abrasive tools, and thermal spray applications.
Exceptional Hardness provides superior wear resistance, making it ideal for grinding tools, abrasives, and protective coatings used in high-friction environments.
Thermal Stability ensures the material retains structural integrity at temperatures exceeding 2,000 °C, critical for refractory and high-temperature processes.
Chemical Inertness ensures durability in chemically aggressive environments, supporting applications such as filtration, catalysis, and industrial processing.
2. Applications
Advanced Ceramics & Refractories Alumina is extensively used in high-performance ceramics and refractory components, providing exceptional heat and wear resistance for kiln furniture, nozzles, and industrial parts.
Abrasives & Polishing The 355–500 µm particle size is ideal for manufacturing grinding wheels, cutting tools, and polishing compounds, ensuring efficient material removal and extended tool performance.
Thermal Barrier Coatings Alumina-based coatings protect industrial equipment, turbine blades, and engine components from oxidation, erosion, and extreme heat.
Electronics & Insulation Alumina’s dielectric properties and thermal conductivity make it essential for insulating and protecting electronic components, substrates, and housings.
Catalysis & Filtration High-purity alumina acts as a catalyst support and filtration medium, providing stability under high temperatures and corrosive environments in petrochemical and environmental systems.
3. Advantages
Enhanced Flowability The coarse particle size ensures smooth powder handling and consistent feeding during manufacturing processes like sintering, spraying, and coating.
Wear Resistance Alumina’s hardness ensures durability for tools, components, and coatings exposed to abrasive or high-friction conditions.
Thermal Durability Alumina retains its mechanical properties under extreme heat, making it a reliable material for refractory linings, thermal barriers, and high-temperature industrial applications.
Chemical Stability Resistance to acids, alkalis, and solvents enhances the longevity and reliability of alumina-based products in filtration, catalysis, and chemical processing environments.
Electrical Insulation Alumina’s dielectric properties make it indispensable for insulating components in high-voltage and high-temperature electronic systems.
4. Recent Trends and Research
Additive Manufacturing is leveraging coarse alumina powders to produce intricate ceramic components with enhanced durability and strength using advanced 3D printing methods.
Advanced Coating Technologies are refining alumina-based coatings for improved adhesion, durability, and thermal resistance in aerospace, automotive, and industrial applications.
Optimized Abrasives are being developed to enhance cutting efficiency, reduce wear, and improve precision for industrial and consumer applications.
Sustainability Initiatives are focusing on recycling alumina from used abrasives and ceramic waste, reducing environmental impact and supporting greener production practices.
Energy Applications are expanding, with alumina increasingly utilized in catalysis, filtration, and energy storage systems for cleaner and more efficient industrial processes.
5. Future Prospects
High-Performance Ceramics will continue to evolve with advancements in powder processing and sintering techniques, enabling the production of complex and durable components.
Innovative Coatings leveraging alumina’s thermal and wear-resistant properties will find broader applications in aerospace, automotive, and energy industries.
Medical Applications will expand as alumina’s biocompatibility and wear resistance support the development of surgical instruments, dental tools, and implants.
Lightweight Structural Materials reinforced with alumina will gain prominence in aerospace and automotive sectors, offering enhanced strength-to-weight ratios for high-performance systems.
Clean Energy Solutions will expand alumina’s role in catalysis, filtration, and energy storage technologies, supporting sustainability and innovation in energy systems.
With its 99.5+% purity and 355–500 µm particle size range, Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 355–500 µm) provides unmatched durability, thermal stability, and wear resistance for a wide range of industrial and high-performance applications. From advanced ceramics and abrasives to protective coatings and electronics, alumina remains a cornerstone material in modern engineering and manufacturing.
| Measurement (gr) | 100 grams, 500 grams, 1000 grams |
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