Oak grain Sandwich Panel

Oak grain Sandwich Panel

PU sandwich board is also called metal carving board. The external metal plate is galvanized steel plate, and the external coating is Nippon paint. The middle layer is a rigid high-density polyurethane foam insulation layer with flame retardant treatment, and the bottom layer is an aluminum foil fiber cloth protective layer, which plays the role of heat insulation and moisture resistance. It is a new green building material. It is used for covering, decoration and protection of external walls of buildings.