... and 99%-AluminaCeramic BallDia(Φ): 3, 6, 8, 10, 13, 16, 20, 25, 30, 38, 50, 65, 752. Thermal Storage Ceramic BallThermal ... industry. It can save more than 40-70% power, increase more than 15% production capability, decrease 40% wastage of billet oxidization, reduce the ... as well.Type : According to the content of aluminum:60-70%, 65-75%, 92%, 95% Size: Φ25mm-Φ75mm4. Ceramic ball for ...