Foaming material, also known as "foaming agent", or foaming substance, refers to the foaming substance that can produce bubbles in the material without gasification, making it become a multi-empty substance, such as foaming plastic, foaming rubber, foaming resin, foaming food, etc. Due to its wide range of applications, the current annual market size maintains a rapid growth rate of 20%. In the field of related new materials, the market growth of foaming materials is the fastest growing industry in the field of new materials application, which has also aroused great attention of the industry.