1.Al2O3 70%,92%,size 30-60mm 2.High density, high hardness, low wear loss 3.Monthly output 10,000 tons 4.Short delivery time Alumina balls:production technology: advanced spray drying granulation, dry type full automatic iso-static pressure process and high temperature roller kiln sintering technology. Features: high hardness, high density, high strength, good toughness and same structure inside ...