Development of Grinding Media Balls Using Locally Available .In the preliminary stage of this research, some foreign made grinding media balls are . which are a widely used tool in mineral processing, coal, ceramic and cement industries. .. technique was chosen as the production route with the desired composition. Samples for pot mill test, hardness test and micro study were made.desired hardness of grinding media in a cement mill,Grinding Media Selection Guide | Union Process®, Inc.You can trust your most difficult grinding media questions to Union Process. . Final particle size – Smaller media are more efficient when ultrafine particles are desired. . Hardness – The harder the media, the better the grinding efficiency and, consequently, . The type of mill also can affect the selection of grinding media.
desired hardness of grinding media in a cement mill