Industrial polycrystalline aluminum fiber module is a type of high-temperature insulation brick. It is made of polycrystalline alumina fibers and has high temperature corrosion resistance. This module is commonly used for insulation of various high-temperature furnaces, heat treatment furnaces, stoves, etc. It can meet the working requirements of 1300℃-1500℃ high temperature all-fiber furnace lining. It has good high temperature stability, good surface adhesion, and long service life.