Characteristics: The products are featured by high hardness,low wear lost,good normalization,good corrosion resistance,etc. They are the ideal high-efficiency grinding media for glaze,body materials,chemical powder and fine mineral powders etc.Technical data: ItemsSS-AB-70Al2O3( % )66%--70%Specific Gravity g/cm32.95~3.02(Mohs Scale)Hardness8.5Compression Strength MPa≥1700ColoryellowishEquivalent ...