--- title: Aluminum Oxide - Abrasivestocks description: "Aluminum Oxide (Al?O?): high?durability, chemically inert abrasive & material—used for grinding, surface prep, ceramics, electronics, refractories & catalyst support." --- [ Home ](https://abrasivestocks.com?hsLang=en) **  [ Products ](https://abrasivestocks.com/products?hsLang=en) **  [ Abrasive & Material ](https://abrasivestocks.com/abrasive-material?hsLang=en) **  Aluminum Oxide # Aluminum Oxide - Product ** [Abrasive Materials for Industrial Use | AbrasiveStocks](https://abrasivestocks.com/abrasive-material?hsLang=en) # Aluminum Oxide ![Aluminum Oxide1](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Aluminum%20Oxide1.jpg?length=700&name=Aluminum%20Oxide1.jpg) [![Aluminum Oxide1](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Aluminum%20Oxide1.jpg?length=100&name=Aluminum%20Oxide1.jpg) ](https://abrasivestocks.com/product/aluminum-oxide#) [![Aluminum Oxide2](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Aluminum%20Oxide2.jpg?length=100&name=Aluminum%20Oxide2.jpg) ](https://abrasivestocks.com/product/aluminum-oxide#) [![Aluminum Oxide3](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Aluminum%20Oxide3.jpg?length=100&name=Aluminum%20Oxide3.jpg) ](https://abrasivestocks.com/product/aluminum-oxide#) [![Aluminum Oxide-07](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Aluminum%20Oxide-07.jpg?length=100&name=Aluminum%20Oxide-07.jpg) ](https://abrasivestocks.com/product/aluminum-oxide#) Aluminum Oxide (Al₂O₃), also known as alumina, is a highly durable, chemically inert, and thermally stable material. It is widely used in various industries due to its exceptional hardness, high melting point, and resistance to chemical corrosion. Aluminum oxide comes in different forms, including powders, granules, and shaped products, and serves as a key component in abrasives, ceramics, refractories, and electronic applications. - **Product Category:** Abrasive & Material [Request a Quote](https://abrasivestocks.com/contact-us?hsLang=en) - [Description ](https://abrasivestocks.com/product/aluminum-oxide#tab-1) - [Additional Information ](https://abrasivestocks.com/product/aluminum-oxide#tab-2) ##### **Applications:** **Abrasives:** Used in grinding wheels, sandpaper, and blasting media for polishing, grinding, and surface treatment. **Ceramics:** Essential for manufacturing advanced ceramics used in electronics, engineering, and medical applications. **Refractories:** Widely used in furnace linings and crucibles due to its ability to withstand extreme heat. **Catalyst Support:** Acts as a carrier for catalysts in the petrochemical and chemical industries. **Thermal Insulation:** Utilized in high-temperature insulation materials for industrial furnaces and kilns. **Electronic Components:** Used in semiconductor substrates, electrical insulators, and dielectric components. **Surface Coating:** Applied as a protective coating to improve wear resistance and reduce corrosion in machinery parts. ##### **Technical Specifications:** **Chemical Formula:** Al₂O₃ **Purity:** Available in different grades, typically ranging from 95% to 99.9% purity **Appearance:** White powder or granules **Hardness:** Mohs hardness of 9 **Melting Point:** ~2050°C **Particle Size:** Varies depending on the application, commonly available in 1-100 microns **Bulk Density:** 3.6-3.9 g/cm³ (depending on grade) ##### **Advantages:** **High Strength and Durability:** Aluminum oxide is a reliable material for high-wear and high-stress environments. **Versatile Material:** Used across multiple industries, from abrasives and ceramics to electronics and refractories. **Thermal and Chemical Stability:** Performs well under high temperatures and harsh chemical environments, ensuring long-term reliability. **Cost-Effective:** Offers excellent performance at a reasonable cost for industrial applications. **Packaging:** Available in 25 kg bags, 500 kg bulk bags, or as per customer specifications. ##### Storage: Store in a cool, dry place. 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Related Resources - [Data Sheet](https://abrasivestocks.com/product/aluminum-oxide#) - [Product Brochure](https://abrasivestocks.com/product/aluminum-oxide#) - [Case Study](https://abrasivestocks.com/product/aluminum-oxide#) - [Installation Guide](https://abrasivestocks.com/product/aluminum-oxide#) - [Product Warranty](https://abrasivestocks.com/product/aluminum-oxide#) ```json { "@context" : "http://www.schema.org", "@type" : "product", "aggregateRating" : { "@type" : "aggregateRating", "bestRating" : "5", "ratingValue" : "5", "reviewCount" : "1" }, "brand" : "", "description" : "Aluminum Oxide (Al₂O₃), also known as alumina, is a highly durable, chemically inert, and thermally stable material. It is widely used in various industries due to its exceptional hardness, high melting point, and resistance to chemical corrosion. 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