--- title: Low-sodium White Corundum - Abrasivestocks description: "Abrasivestocks low?sodium white fused alumina (<0.1% Na?O): superb hardness, low impurity & excellent thermal resistance—perfect for semiconductor, polishing & refractory use." --- [ Home ](https://abrasivestocks.com?hsLang=en) **  [ Products ](https://abrasivestocks.com/products?hsLang=en) **  [ Abrasive & Material ](https://abrasivestocks.com/abrasive-material?hsLang=en) **  Low-sodium White Corundum # Low-sodium White Corundum - Product ** [Abrasive Materials for Industrial Use | AbrasiveStocks](https://abrasivestocks.com/abrasive-material?hsLang=en) # Low-sodium White Corundum ![Low-sodium white corundum-1](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Low-sodium%20white%20corundum-1.jpg?length=700&name=Low-sodium%20white%20corundum-1.jpg) [![Low-sodium white corundum-1](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Low-sodium%20white%20corundum-1.jpg?length=100&name=Low-sodium%20white%20corundum-1.jpg) ](https://abrasivestocks.com/product/low-sodium-white-corundum#) [![Low-sodium white corundum-02](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Low-sodium%20white%20corundum-02.jpg?length=100&name=Low-sodium%20white%20corundum-02.jpg) ](https://abrasivestocks.com/product/low-sodium-white-corundum#) Low-Sodium White Corundum is a high-purity form of aluminum oxide (Al₂O₃) with minimal sodium content. This type of white corundum is produced by the high-temperature fusion of bauxite in an electric arc furnace, resulting in a clean, abrasive material with excellent hardness and stability. It is valued for its consistent quality and is used in a range of industrial applications requiring a high degree of purity and low sodium levels. - **Product Category:** Abrasive & Material - **Key Features:** - **High Purity: **Contains minimal sodium impurities, ensuring high performance and reduced contamination in critical applications. - **Exceptional Hardness: **Exhibits a hardness of approximately 9.0 on the Mohs scale, making it effective for abrasive and cutting applications. - **Low Sodium Content: **The low sodium content helps prevent adverse reactions with other materials and improves the overall performance of the product. - **Thermal Stability: **Capable of withstanding high temperatures without significant degradation, suitable for high-temperature processes. - **Chemical Resistance: **Resistant to most acids and alkalis, ensuring durability in various chemical environments. [Request a Quote](https://abrasivestocks.com/contact-us?hsLang=en) - [Description ](https://abrasivestocks.com/product/low-sodium-white-corundum#tab-1) - [Additional Information ](https://abrasivestocks.com/product/low-sodium-white-corundum#tab-2) ##### **Applications:** **Abrasives: **Used in the manufacture of high-performance grinding wheels, sandpapers, and other abrasive tools for cutting, grinding, and polishing applications. **Ceramics: **Employed in the production of advanced ceramic materials where high purity and low sodium content are required. **Refractories: **Applied in the manufacture of refractory materials for furnaces, kilns, and other high-temperature equipment to enhance thermal stability and resistance to thermal shock. **Precision Casting: **Utilized as a component in precision casting processes where low sodium content helps prevent contamination and improves the quality of cast products. **Polishing: **Used in polishing applications to achieve a high-quality, smooth finish on metals, glass, and other hard materials. ##### **Technical Specifications:** **Material Composition: **Aluminum oxide (Al₂O₃) **Purity: **Typically ≥ 99.5% Al₂O₃ **Sodium Content: **Low sodium levels, typically < 0.1% **Hardness: **Mohs hardness of approximately 9.0 **Density: **Approximately 3.9-4.0 g/cm³ **Melting Point: **~2050°C **Particle Size: **Available in various grades and sizes, customizable based on application needs ##### **Advantages:** **High Performance: **High hardness and low sodium content provide excellent performance in demanding applications. **Consistency: **High purity and consistent quality ensure reliable and predictable results. **Versatility: **Suitable for a wide range of applications, including abrasives, ceramics, and refractories. **Durability: **High resistance to wear, thermal shock, and chemical attack ensures long-lasting performance. ##### **Packaging:** Available in various packaging options, including 25 kg bags, 500 kg bulk bags, or according to customer specifications. ##### Storage: Store in a dry, cool place. 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Related Resources - [Data Sheet](https://abrasivestocks.com/product/low-sodium-white-corundum#) - [Product Brochure](https://abrasivestocks.com/product/low-sodium-white-corundum#) - [Case Study](https://abrasivestocks.com/product/low-sodium-white-corundum#) - [Installation Guide](https://abrasivestocks.com/product/low-sodium-white-corundum#) - [Product Warranty](https://abrasivestocks.com/product/low-sodium-white-corundum#) ```json { "@context" : "http://www.schema.org", "@type" : "product", "aggregateRating" : { "@type" : "aggregateRating", "bestRating" : "5", "ratingValue" : "5", "reviewCount" : "1" }, "brand" : "", "description" : "Low-Sodium White Corundum is a high-purity form of aluminum oxide (Al₂O₃) with minimal sodium content. This type of white corundum is produced by the high-temperature fusion of bauxite in an electric arc furnace, resulting in a clean, abrasive material with excellent hardness and stability. 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