... Ball and 99%-AluminaCeramic BallDia(Φ): 3, 6, 8, 10, 13, 16, 20, 25, 30, 38, 50, 65, 752. Thermal Storage Ceramic ... /32, 1/16, 3/32, 5/32, 3/16, 7/32, 15/64, 1/4, 17/64, 9/32, 5/16, 11/32, 3 ... /8, 7/16, 31/64, 1/2, 17/32, 9/16, 19/32, 5/8, 11/16, 3/4 ...