This product is made of high-quality standard (RT) ceramic fiber raw cotton through a special process. It is a new type of inorganic heat insulation and refractory material with light weight, high temperature resistance, thermal shock resistance, small heat capacity, and good thermal insulation performance. It has the advantages of acid and alkali resistance, stable chemical properties, non-toxicity, etc. It also has quite high tensile strength and flexibility, and can be processed into various shapes and specifications of fireproof and heat insulation products.