As in general grinding media ball manufactured from steel and cast iron. It has various applications in that grinding purpose is what stands at first. Be the miling particles are moisture or dry it will grind. Mostly these balls are used in the manufacturing process. There are various types of balls. Each of the balls has specific features it means a lot for the special production process.When comes to milling and dispersion process there are more chances for material damage and then splits. In order to avoid such thing grinding balls are used. The balls are made of heavy metal and other material thus undoubtedly there the pressure will be high.