Ceramic fiber blanket has low thermal conductivity, low thermal capacity, excellent chemical stability, excellent thermal stability, seismic resistance, excellent tensile strength, and excellent sound absorption. It is an excellent material for thermal insulation and refractory materials. It can be used for high temperature thermal insulation of aerospace, steel and petrochemical; Fire protection and thermal insulation of military equipment; Thermal insulation of wall lining and back lining of industrial furnaces and heating devices; Thermal insulation of high-temperature equipment; Thermal insulation of high-temperature pipeline; Thermal insulation and fire protection of electrical components; High temperature gasket; Raw materials for modules and folding blocks.