Inert alumina porcelain ball referred to as inert porcelain ball, also called inert alumina ball. Is made of high quality chemical porcelain clay raw material processing and become, inert alumina ceramic ball has high strength, stability and thermal stability of Gao Huaxue features, inert alumina ceramic ball can resistance to high temperature, high pressure and acid, alkali, salt and all kinds of inorganic solvent corrosion, inert alumina ceramic ball is widely used in petroleum, chemical industry, fertilizer industry, natural gas and environmental protection and other industries. As the support and covering material of the catalyst in the reactor, it can buffer the impact of the liquid and gas entering the reactor on the catalyst, protect the catalyst, and improve the distribution of the liquid and gas in the reactor.