Alumina Grinding Balls

Alumina Grinding Balls

Chemical composition
Product Balls with 75% aluminum oxide content Balls with 85% aluminum oxide content Balls with 90% aluminum oxide content Balls with 92% aluminum oxide content Balls with 95% aluminum oxide content
Al2O3, % >75 >85 >90 >92 >95
Fe2O3, % <0.5 <0.2 <0.01 <0.01 <0.01
Physical properties
Specific density, g / cm3 The rate of water absorption, % Relative wear and tear,% Hardness on the Mohs scale Method of manufacture
2.95-3.75 <0.01 <0.02 >9 Rolling, isostatic pressing