PU foam's polyurethane material is the abbreviation of polyurethane its English name is polyurethane, which is a kind of polymer material. Polyurethane is a new organic polymer material, known as the "fifth largest plastic", because of its excellent performance, it is widely used in many areas of the national economy. Product application areas involve light industry, chemicals, electronics, textiles, medical, construction, building materials, automobiles, national defense, aerospace, aviation, etc.