... United States. As follows is information of ceramic ball! Property : Ceramic ball ZrO2 ceramic possesses high strength,high hardness, ... materials, piezoelectric ceramics, dielectric ceramics 3. to prevent pollution: medicine, food, cosmetics 4. Ceramics: Electronic ceramics, refractory ceramics, structural ... 4.5,5,6.5,7,8.5,10,12,1520,25,30,35,50Typical Value Property :ItemsValuesUnitComposition94. ...