... the temperature of discharging smoke less than 150°C.Usual type: Φ10~Φ303. Grinding Ceramic BallThe alumina grinding ball has been ... up, it will not pollute the grinded material as well.Type : According to the content of aluminum:60-70%, 65 ... , such as wearability, corrosion resistance, high temperature resistance, electrical insulation, non-magnetic, high strength, high rigidity, and low specific ...