What is polyurethane sandwich panel?

Polyurethane sandwich panel is a new type of environmental protection building material, which is widely used in many large industrial workshops/farms. It is a composite sandwich panel composed of color steel plate and rigid foamed polyurethane, which has the properties of light weight/durability/high strength/heat preservation, and the construction is more convenient and quick, which can greatly shorten the construction period. Compared with traditional building materials, the overall cost is much saved.