alumina grinding ball

RP-G alumina grinding balls are widely used in industries of ceramics, glass, porcelain enamel, pigment, chemicals, etc. They are suitable for applications for ball mill, sand mill, pot mill librating mill and other fine breaking plants with high hardness, high density and anticorrosion. Available sizes: 10mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm RP-G92RP-G90RP-G85RP-G75RP-G70Al2O3, % >92 >90>85>75>70SiO2, %<4<5<10<20<25Fe2O3, %<0.2<0.2<0.3<0.5<0.8Bulk density, g/cm33.653.553.43.253.0Abrasion, %0.010.150.020.020.02Hardness, Mohs’998.587.5Water absorption, %0.010.010.010.020.02Crush stength, Mpa/m322001800170015001200