... Alumina pebbles, used in ceramic tile, cement, chemical, mineral 95% :Advantages:The products are featured by high ... glaze materials, and various powdered ore. They are using ceramics, cements, paints, refractory, inorganic ... keep the purity and improve the stability of grinded materials especially the ceramic glaze.2. ... 0.019.5≤0.01The standard specification of alumina grinding balls Diameter(mm)φ25φ ...