... Ceramic Ball for Oil Refinery, Chemical, Fertilizer Industries Alumina Ceramic,Perforated Ceramic Ball for Oil Refinery, Chemical, Fertilizer IndustriesPackaging & DeliveryPackaging Detail ... . It can be widely used in oil refinery,chemical,fertilizer,natural gas and environmental protection industries. Physical and ... 14000≥15000Bulk density , kg/m31300-14001400-15001500-16001600-1800 Alumina Balls