Alumina balls, spherical ceramic materials made from aluminium oxide, are known for their high hardness, wear resistance, corrosion resistance, and high temperature tolerance. These properties make alumina balls ideal for grinding, polishing, wear resistance, and corrosion resistance. Aluminium oxide balls were developed by German chemist Friedrich Woehler in 1845 after 18 years of continuous experiments to create small, solidified balls of molten aluminium. Here are the main applications of alumina balls:
Alumina balls are widely used in the ceramic industry, covering nearly all ceramic processing stages. In the early stages of ceramic production, they are used for grinding raw materials and glazes to achieve finer and more uniform consistency, benefiting the molding of ceramics and enhancing the smoothness and gloss of the glaze. After ceramic products are made, the strong wear resistance of alumina balls is utilized for polishing, making the surfaces of ceramic products smoother and enhancing their decorative appeal. Additionally, due to their high temperature and corrosion resistance, alumina balls serve as refractory materials in ceramic kilns, preventing damage at high temperatures and extending the kiln’s lifespan.
Alumina balls have extensive applications in the petrochemical industry, including in oil refining, chemical raw material production, and chemical product manufacturing. The petrochemical production process generates numerous impurities and pollutants that can damage equipment and affect production efficiency and product quality. The high temperature and corrosion resistance of alumina balls effectively remove these impurities and pollutants, protecting equipment and enhancing production efficiency and product quality.
Alumina balls are broadly used in water treatment, such as removing fluoride from water. Due to their high surface area and affinity for fluoride ions, alumina balls are commonly used to remove excess fluoride from drinking water and wastewater. This is particularly important for preventing fluorosis, like dental fluorosis, especially in regions where natural water sources have high fluoride concentrations.
In the electronics manufacturing industry, where numerous electronic devices operate, cooling is crucial. Thanks to the good thermal conductivity of aluminum oxide, alumina balls help effectively conduct heat from the heat source (like semiconductor devices) to heat sinks or other cooling devices, preventing overheating and extending the lifespan of electronic products. Alumina balls also possess certain insulating properties; in semiconductor manufacturing and integrated circuit design, they can serve as an insulating layer, preventing current leakage and enhancing the overall efficiency of the circuit.
These are the significant applications of alumina balls across various industries. Each application demands different specifications of alumina balls, including size, purity, and shape. Selecting the appropriate specifications for alumina balls is crucial for ensuring optimal performance in their specific applications.