white alumina oxide powder 1 um
Product Overview
White Alumina Oxide Powder (Al₂O₃) is a high-purity, synthetic abrasive and functional material characterized by its uniform particle size distribution centered at 1 micrometer (µm). This finely milled powder is produced through advanced calcination and classification processes, resulting in a consistent, free-flowing white powder ideal for a wide range of precision industrial applications.
Key Features & Specifications
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Primary Crystal Size: 1 µm (D50)
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High Purity: > 99.6% Al₂O₃ content
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Hardness: 9 Mohs, offering exceptional wear resistance
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Melting Point: ~2050°C, ensuring excellent thermal stability
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Chemical Inertness: Resistant to most acids and alkalis
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White Color: Indicates low levels of metallic impurities.
Primary Applications
This 1 µm alumina powder serves as a critical component in various sectors:
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Precision Polishing: An essential slurry material for fine polishing of semiconductor wafers, optical lenses, and hard disk substrates, delivering scratch-free, mirror finishes.
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Advanced Ceramics: Acts as a sintering additive or the primary raw material for manufacturing high-strength, wear-resistant technical ceramics used in seals, bearings, and biomedical implants.
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Coatings & Composites: Used as a reinforcing filler in polymer composites and plasma-sprayed coatings to enhance hardness, thermal conductivity, and corrosion resistance.
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Surface Treatment: An effective mild abrasive in blasting applications for delicate surface preparation and cleaning.
Benefits
Users benefit from its consistent particle size, which ensures predictable and repeatable performance in polishing and composite formulation. Its high purity and inertness make it suitable for sensitive electronic and rigorous high-temperature environments. Furthermore, its excellent dispersibility facilitates easy integration into liquids, binders, and matrix materials.
Packaging
Available in moisture-resistant, multi-layer bags (5 kg, 25 kg) or customized packaging to suit customer requirements.
In summary, our 1 µm White Alumina Oxide Powder is a versatile, high-performance material engineered for applications where precision, durability, and reliability are paramount.
