The selection and collocation of kiln furniture materials are various. In recent years, with the rapid development of China's economy, the kiln furniture industry has also made great progress. High quality kiln furniture with lightweight, thin and diversified specifications have been supplied to the market one after another. There are cordierite, cordierite mullite, mullite, common silicon carbide, oxide bonded silicon carbide and so on. There are many kinds of matching forms of materials, but it also depends on the type of products, kiln structure, bearing capacity and price bearing capacity of the ceramic factory.