Silicon nitride grinding media have high hardness, second only to diamond and cubic boron nitride. The grinding consumption of silicon nitride grinding media is very low, which reduces the wear of grinding media and the pollution of grinding materials, which is conducive to obtaining higher purity ultra-fine powder.

Silicon nitride grinding media replaces zirconium ceramic beads as grinding media, which can greatly improve the quality of high-tech powder products. As a grinding media, zirconium grinding media has the advantages of high flexural strength, high wear resistance, excellent thermal insulation properties, high toughness, etc. As ultra-fine grinding media, zirconium grinding media is an ideal product in grinding media and is used in powder preparation. It is widely used as grinding media in industry. However, zirconium grinding media have a high toughness as grinding media due to the presence of stabilizers. This high toughness of zirconium grinding media is time-sensitive. For example, after a zirconium ceramic ball is left in the air for some time, it becomes unstable and becomes unstable. The performance will be severely reduced or even cracked. Moreover, at high temperatures, zirconium grinding media have no stable phase and lose high toughness. Therefore, zirconium grinding media cannot be used at high temperatures or room temperature for a long time. The two shortcomings of high-temperature use and poor aging seriously restrict the development of zirconium grinding media as grinding media.

Silicon nitride grinding media are an upgraded product that replaces zirconium ceramic beads as grinding media. As soon as silicon nitride grinding media enter the field of powder industrial grinding applications, they are ready for use due to their shallow wear rate and excellent mechanical properties. Attracting attention, although silicon nitride grinding media are not so widely used due to silicon nitride grinding media’s cost and preparation process, they are used as grinding media for high-tech powder products or high-value-added powder products. Regarding requirements, silicon nitride grinding media are still an abrasive material with great potential.

In the complex process of ball milling, where raw materials are transformed into finely milled particles, the choice of grinding media emerges as a pivotal performance lever. This seemingly minor selection can dramatically influence the efficiency of the milling process, the quality of the output, and, ultimately, the bottom line. Whether in the realm of pharmaceuticals, ceramics, or materials science, the right grinding media can lead to breakthrough efficiencies and product quality. Silicon nitride grinding media are favored for their exceptional hardness and resistance to wear, corrosion, and high temperatures. These properties make them ideal for applications requiring high purity and minimal contamination, such as in pharmaceuticals, food processing, and advanced ceramics manufacturing.