... with traditional grinding medium such as alumina balls, zirconium silicate balls, steel balls, agate balls and glass ... strength and high tenacity products: magnetic material, piezoelectric ceramics, dielectric ceramics.2. No pollution: medicine, food, cosmetics ... , paint, printing and dyeing.4. Ceramics: electronic ceramics, refractory ceramics, structural ceramics.Specifications:Ball shape:φ0.1-0.4 ...