... resistance to strong acid,strong alkali,salt and gas of deleterious,long contact fatigue life,high hardness, ... Suction box covers3, Seals,bearings4, Ball valve parts5, Hot gas flow liners6, Heat exchangers7, Semiconductor process equipmentZirconium Oxide(ZrO2)Key Properties1 ... box covers3, Seals,bearings4, Ball valve parts5, Hot gas flow liners6, Heat exchangers7, Semiconductor process equipment ZXSQ