Polystyrene board has been widely used in many fields with its excellent and durable thermal insulation performance, unique buffering and shockproof performance, aging resistance and waterproof performance. Many companies in the world use different processes and technologies to carry out application research in their respective fields and continuously develop new products, such as BASF of Germany, Dow Chemical Company, Sekisui Company of Japan, etc. They not only have a large market in their own country, but also have a large market internationally, such as polystyrene board equipment, foam machinery, foam weighting agent, polystyrene board weighting agent, etc. Polystyrene board production equipment, foam penetrant, polystyrene board penetrant, polystyrene board equipment price, foam board production line, foam board production equipment, foam board price, foam board manufacturer, polystyrene board price, polystyrene board factory, polystyrene board production machinery, foam machinery, polystyrene board production machinery price, plays a leading role in the development of polystyrene industry, and has many valuable properties, so it has been widely used in daily life, agriculture, transportation, military industry, aerospace and other industries, especially in construction, packaging, electronic and electrical products, ships, vehicles, aircraft manufacturing and other fields.