Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 250–355 µm) is a high-purity alumina powder known for its outstanding hardness, thermal stability, and chemical resistance. With a particle size range of 250 to 355 micrometers, this coarse powder is ideal for applications requiring superior flowability, consistent packing density, and exceptional durability. Its 99.5+% purity ensures reliable performance in advanced ceramics, abrasives, coatings, and high-temperature industrial processes, making it indispensable in aerospace, automotive, and energy sectors.
1. Key Properties
High Purity (≥99.5%) ensures minimal impurities, providing consistent and reliable performance in demanding industrial applications.
Particle Size (250–355 µm) offers excellent flow characteristics and packing density, making it suitable for powder-based manufacturing, abrasive tools, and thermal spray applications.
Exceptional Hardness delivers superior wear resistance, making it ideal for grinding tools, abrasives, and protective coatings in high-friction environments.
Thermal Stability allows the material to retain structural integrity at temperatures exceeding 2,000 °C, essential for high-temperature and refractory applications.
Chemical Inertness ensures durability in chemically aggressive environments, making it suitable for filtration, catalysis, and industrial processing systems.
2. Applications
Advanced Ceramics & Refractories Alumina is extensively 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 250–355 µm particle size is ideal for producing grinding wheels, cutting tools, and polishing compounds, ensuring efficient material removal and long-lasting 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 an essential material for insulating and protecting electronic components, substrates, and housings.
Catalysis & Filtration High-purity alumina serves as a catalyst support and filtration medium, offering stability under high temperatures and corrosive conditions in petrochemical and environmental systems.
3. Advantages
Improved Flowability The coarse particle size ensures smooth powder handling and consistent feeding during manufacturing processes like sintering, spraying, and coating.
Wear Resistance Alumina’s exceptional hardness extends the lifespan of components, tools, and coatings exposed to abrasive or high-friction environments.
Thermal Durability Alumina maintains its mechanical properties under extreme heat, making it a reliable material for refractory linings, thermal barriers, and high-temperature industrial uses.
Chemical Stability Resistance to acids, alkalis, and solvents enhances the 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 utilizing coarse alumina powders to produce intricate ceramic components with enhanced durability and strength through 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 deliver higher cutting efficiency, reduce wear, and enhance precision in industrial and consumer applications.
Sustainability Initiatives focus on recycling alumina from used abrasives and ceramic waste, reducing environmental impact and supporting green manufacturing practices.
Energy Applications are expanding, with alumina increasingly used in catalysis, filtration, and energy storage systems for cleaner, more efficient industrial processes.
5. Future Prospects
High-Performance Ceramics will benefit from 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, energy, and automotive industries.
Medical Applications will see growth, 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, aligning with global sustainability goals.
With its 99.5+% purity and 250–355 µm particle size range, Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 250–355 µm) provides 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 in modern engineering and manufacturing.
| Measurement (gr) | 100 grams, 500 grams, 1000 grams |
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