YihoZirconium silicate beads are a type of media that is used for grinding, milling, and dispersion of materials. They have a glossy appearance with a satin-smooth finish. This media can be used in both horizontal mills well as the vertical mill. Yiho Zirconium Silicate Ball consists of 45%~50% percent of zirconia and the rest is Silicon Dioxide (SiO2) and Aluminum Oxide (Al2O3).