Polycrystalline alumina fiber fire-resistance module is a type of insulation material woven by wrapping insulation fibers with high-temperature materials. It is mainly used for insulation and insulation of heat treatment furnaces, sintering furnaces, furnaces, high-temperature pipelines, rotor furnaces, regeneration furnaces, steam generators and other equipment in the high-temperature industrial field. It has good high temperature stability, good surface adhesion, and long service life.