... to support and cover catalyst in the reactor ,inert alumina ball can buffer gas or liquids flush on catalyst so ... mechanical strength,high chemical stability,and excellent heat endurance ,inert alumina ball can resist high temperature,high pressure ,acid,alkali, ... solvents.Applications1.Issocracker 2.Refining plant3.Cotact desulfurization4.Isoforming Ceramic bed support Media: Inert Alumina Ball