Ceramic balls 1.Density>3.62g/cm3 2.Wear lost<0. ... range:1.5mm ~70mm 4.Manufactory type:CIP or Rolling Ceramic balls have characteristics of high strength, high density, high abrasion ... , sanitary ceramics, kaolins, refractory materials, paints, coatings and other fields. Normal size range: Diameter 20mm,25mm,30mm,40mm,50mm,60mm,70mm ... .65Wearing Lost(‰)≤0.2≤0.2≤0.15≤0.10 Ceramic balls