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1、 Introduction to alumina grinding balls
Alumina grinding balls, also known as ceramic grinding balls, are widely used for precision grinding and dispersion of thick and hard materials in different types of ceramics, glazes, glass, and chemical factories due to their high content, density, hardness, and wear resistance of alumina.
Alumina grinding ceramic balls are suitable for various ball mills, such as our company'sPlanetary ball millOn ball mills such as drum ball mills and vibration ball mills, materials can be finely ground and dispersed, making them one of the extremely wear-resistant grinding balls in grinding media.
According to different aluminum oxide contents, it can be divided into medium aluminum balls, medium high aluminum balls, and high aluminum balls.
Generally, we classify those with 60% -65% alumina content as medium alumina balls, those with 75% -80% alumina content as medium high alumina balls, and those with over 90% alumina content as high alumina balls. The high aluminum balls are further divided into 90 porcelain, 92 porcelain, 95 porcelain, and 99 porcelain. Due to its extremely high production cost, 99 porcelain is rarely mass-produced by large manufacturers. Currently, it is mainly handmade by some special ceramic factories.
Medium aluminum balls and medium high aluminum balls are widely accepted by most ceramic factories due to their lower prices, mainly used for grinding ceramic blanks. High alumina balls are widely used in the precision and deep processing of thick and hard materials in different types of ceramics, glazes, glass, chemical and other factories due to their excellent characteristics such as high strength, high hardness, high wear resistance, high specific gravity, small volume, high temperature resistance, corrosion resistance, and no pollution. Among them, high alumina balls with a content of 92 are particularly commonly used.
2、 Characteristics of alumina grinding balls
1. High wear resistance: The wear resistance of alumina ground ceramic balls is better than that of ordinary ceramic balls.
2. High purity: When grinding ceramic balls, it will not produce pollution, so it can maintain high purity and improve the stability of grinding effect.
3 High Density: High density, high hardness, and high grinding, which saves grinding time and expands the grinding space, effectively improving the grinding effect.
4. Strong strength, high temperature resistance, high pressure resistance, strong acid and alkali corrosion resistance, good thermal shock stability, and stable chemical properties.
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