... can produce any kind of zirconia grinding balls 2.Meterial:ZrO2 3.Sizes:0.2-3mm,5mm,10mm,15mm,20mm 4.high ... : 1, wear-resistant, corrosion-resistant products: paints, textiles, paints, printing and dyeing 2, high strength, high toughness products: magnetic materials, piezoelectric ceramics ...