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Typical Characteristics of Alumina Grinding Media
 

Item 92% Al2O3 75% Al2O3 65% Al2O3 63% Al2O3
Al2O3 (%) 91.82 78.24 64.28 63.17
SiO2 (%) 4.64 13.81 28.53 28.67
Fe2O3 (%) 0.05 0.06 0.41 1.52
TiO2 (%) 0.04 0.62 1.71 2.94
Bulk Density: 3.6 3.26 2.9 2.85
 
(g/cm3)
Compression Strength (Mpa) >1700 >1200 >1000 >1000
Water Absorption: 0 0 0 0
(%)
 
Wear Loss*(%) <0.02 <0.025 <0.05 <0.055
Hardness: 9 8 8-Jul 8-Jul
 
(Mohs)
Color White White Yellow Brown
 
White
Application High Purity Dry and Wet Grinding Applications Dry and Wet Grinding Applications Low Purity Low Purity
   
Dry and Wet Grinding Applications Dry and Wet Grinding Applications