Foam plastic is one of the main varieties of polyurethane synthetic materials, with the characteristic of porosity, so its relative density is small, and its specific strength is high. According to the different raw materials and formula, it can be made into soft, semi-rigid and rigid polyurethane foam plastic etc..
PU foam is widely used, almost infiltrating into all sectors of the national economy, especially in furniture, bedding, transportation, refrigeration, construction, insulation and many other applications.