Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 1400–2000 µm) is a high-purity alumina powder recognized for its exceptional hardness, chemical resistance, and thermal stability. With a particle size range of 1400 to 2000 micrometers, this coarse powder is designed for applications demanding superior flowability, efficient packing density, and robust durability. Its 99.5+% purity ensures consistent and reliable performance in advanced ceramics, abrasives, coatings, and high-temperature industrial applications, making it indispensable in aerospace, automotive, and energy sectors.
1. Key Properties
High Purity (≥99.5%) ensures minimal contamination, delivering reliable performance in demanding industrial applications.
Particle Size (1400–2000 µm) offers enhanced flowability and packing density, making it ideal for powder-based manufacturing, abrasive tools, and thermal spraying applications.
Exceptional Hardness provides superior wear resistance, making it suitable for grinding tools, abrasives, and protective coatings in high-friction and high-stress environments.
Thermal Stability enables the powder to retain structural integrity at temperatures exceeding 2,000 °C, essential for high-temperature and refractory applications.
Chemical Inertness provides resistance to chemically aggressive environments, supporting applications in filtration, catalysis, and industrial processes.
2. Applications
Advanced Ceramics & Refractories Alumina is widely used in high-performance ceramics and refractory components, offering exceptional resistance to heat and wear for kiln furniture, nozzles, and industrial parts.
Abrasives & Polishing The 1400–2000 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 turbine blades, engine components, and industrial equipment from oxidation, erosion, and extreme temperatures.
Electronics & Insulation Alumina’s dielectric properties and thermal conductivity make it a critical material for insulating and protecting electronic components, substrates, and housings.
Catalysis & Filtration High-purity alumina serves as a catalyst support and filtration medium, providing stability under high temperatures and corrosive conditions in petrochemical and environmental systems.
3. Advantages
Enhanced Flow Characteristics 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 reliable 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 systems.
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 durable and intricate ceramic components using advanced 3D printing techniques.
Advanced Coating Technologies are enhancing alumina-based coatings for improved adhesion, durability, and thermal resistance in aerospace, automotive, and industrial applications.
Optimized Abrasives are being developed to improve cutting efficiency, reduce wear, and enhance precision for industrial and consumer applications.
Sustainability Initiatives are focusing on recycling alumina from used abrasives and ceramic waste, supporting greener manufacturing practices and reducing environmental impact.
Energy Applications are expanding, with alumina increasingly utilized in catalysis, filtration, and energy storage systems to support cleaner and more efficient industrial processes.
5. Future Prospects
High-Performance Ceramics will evolve further 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 see alumina’s role grow in catalysis, filtration, and energy storage technologies, supporting sustainability goals and innovation in energy systems.
With its 99.5+% purity and 1400–2000 µm particle size range, Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 1400–2000 µm) delivers exceptional 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 continues to be a cornerstone material in modern engineering and manufacturing.