company news about High grade mullite insulating refractory brick

High grade mullite insulating refractory brick by synthesis of high purity alumina, mullite, featured high-quality kaolin, adding additives, the new technology of extrusion molding. It has high temperature resistance, low thermal conductivity, good thermal stability, high dimensional accuracy, long service life and so on. This refractory brick for blast furnace metallurgy, petrochemical cracking furnace, electric porcelain shuttle kiln, ceramic roller kiln, tunnel kiln and various industrial furnace lining.