Ceramic ball, Inert Ceramic Ball, Catalyst Support Media, Ceramic Support Ball Technical Specification: TypeItem FeldsparFeldspar-MulliteMulliteMullite-CorundumCorundumChemical composition%Al2O320-3030-4545-7070-90≥90Al2O3+SiO2≥90Fe2O3≤1Water absorption, %≤5Acid resistance , %≥98Alkali resistance,%≥80≥82≥85≥90≥95Thermal resistance,ºC≥1300≥1400≥1500≥1600≥1700Crushing strengthN/particleø3≥120≥140≥ ...