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alumina ball is a ceramic ball that is used in various industrial applications. It has excellent heat, wear, corrosion, chemical resistance and electric insulation properties. It can be used in pumps, valves, and flow-meters. It is also used as a catalyst carrier in alumina reactors. It is a highly porous material that has high permeability and low surface area, making it the ideal choice for supporting adsorbents used to purify reactive monomers, such as ethylene and propylene. It can withstand a wide range of temperatures and water partial pressures, and has a very low silica content.
It is important to choose the right alumina ball for your application. In general, alumina balls are lighter and more corrosion-resistant than steel balls. They also require less lubrication and have lower thermal expansion. They can also withstand high speeds and operational temperatures.
There are several types of alumina ball available, including sand, flour, and 92 percent alumina balls. The sand has the lowest bulk density, while the flour has a higher density and more AL2O3. The 92 percent alumina balls are most expensive, but they have the highest hardness.
There are a number of ways to test alumina ball for purity. You can check for visual defects, size and weight, hardness, and abrasion resistance. You can also conduct a chemical analysis to make sure that it meets the specifications of your industry. Alumina grinding balls can be used for various industrial applications, including ceramics, refractory, and mining.