What is the alumina content of ceramic balls? Mar 19, 2022 There are 92% aluminum, 75%aluminum and 20%alumium ceramic balls. Previous:what is the working temperature of ceramic roller? Next: Could mica tube be made to one end closed? You May Also Like Electric Heating Elements Alumina Ceramic Sheet Ceramic Fiber Cloth Ceramic Fiber Module MoSi2 Heating Elements Application 99% Aluminum Ceramic Tube