... 13,19,25,38,50mm Inert Ceramic Ball of Size 3,6,10,13,19,25,38,50mm ... widely used support media in the world because of their excellent consistence and reliability. Products to these ... This makes them all ideal choice for support of all types of catalyst. Chemical composition Al2O3+SiO2Al2O3Fe2O3MgOK2O+Na2O +CaOOther ... )1.35-1.4Specific gravity (g/cm3) 2.3-2.4 Free volume (%)40Operation temp.(max) (°C ...