Refractory fiber wet felt is a refractory fiber product that is impregnated with wet binder and inorganic binder and provided to users in wet state. Wet felt has excellent wind erosion resistance and high temperature bonding strength. The felt should be put in a plastic bag for preservation and reserve. It can be cut or cut into various shapes according to needs. Because of its softness and formability, it is practical for lining corners and various complex furnaces.