Inert Alumina Ceramic balls as Catayst Bed Supports Alumina balls,Ball supports,Ceramic supports. size:3,6,9, ... 13,19,25,38,50mm Inert Ceramic Balls as Catayst Supports The 23-25% Al2O3 Inert Alumina ... Ceramic Balls are used as catalyst, absorbent, desiccant and drying agent in petroleum, chemical, fertilizer, natural gas and ... )>1300>132''(50mm)>5700>57 Inert Alumina Ceramic balls