ceramic balls, inert ceramic balls, catalyst support media Detailed Product Description 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/ ...