Polyurethane color steel plate also known as polyurethane composite plate,polyurethane sandwich plate,Pu sandwich plate.The polyurethane-based composite plate consists of upper and lower layers of colored steel plate and intermediate foaming polyurethane,which adopts the world’s advanced six-component online automaticoperation mixed castingtechnology,can be completed online one-time social batching center orfactory mixing process,and can be adjusted on-lineaccording to the temperature,so as to produce a unique high-strength,energy-saving,green building materials sheet.