Difference Between Alumina and Corundum: A Comprehensive Guide for Manufacturers.

Zhengzhou Fangming High-Temperature Ceramic New Material Co., Ltd. is a leading manufacturer, supplier, and exporter of high-quality alumina and corundum products in China. Both alumina and corundum are essential materials in the manufacturing industry. Alumina is a type of aluminum oxide, while corundum is a crystalline form of aluminum oxide. The primary difference between the two materials is their crystal structure. Alumina is a polycrystalline substance, while corundum has a single crystal structure. Alumina is often used as a substrate or coating material due to its exceptional thermal and mechanical properties. It is used in the production of electronic components, wear-resistant coatings, and catalysts. Corundum, on the other hand, is an excellent abrasive material, owing to its hardness, high melting point, and other superior properties. It is utilized in the manufacturing of grinding wheels, polishing products, and cutting tools. Zhengzhou Fangming High-Temperature Ceramic New Material Co., Ltd. offers a wide variety of alumina and corundum products, including powder, balls, granules, and other custom shapes. With a strict quality control system and years of experience, we guarantee that our products meet international standards and your particular demands.

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  • Alumina and corundum are two materials with similar properties, but they have distinct differences that make them useful for different applications. Alumina, also known as aluminum oxide, is a white powder that is commonly used as a refractory material for high-temperature applications. Corundum, on the other hand, is a crystalline form of alumina that is known for its toughness and hardness. One of the key differences between alumina and corundum is their crystal structure. While alumina has a hexagonal crystal structure, corundum has a trigonal crystal structure. This difference in crystal structure gives corundum its unique mechanical properties, including its high hardness and abrasion resistance. Because of its hardness, corundum is commonly used as an abrasive material in applications such as sandpaper and grinding wheels. It is also used in the production of ceramics, electronics, and optical components. Alumina, on the other hand, is often used as a ceramic material in applications such as insulators, crucibles, and refractory linings. Ultimately, the choice between alumina and corundum depends on the specific requirements of the application. While both materials are versatile and have a range of applications, understanding their differences can help ensure that the correct material is selected for the job.

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