PU molding(Polyurethane moulding, Crown moulding) It is high in strength, light ... in weight and efficient in heat insulation. PU molding(Polyurethane moulding, Crown ... moulding)Pu hard foam plastic is high in strength, light in weight and efficient in heat insulation, it ... mildew, but easy to clean. 3. Labor efficient, It can be planed, affixed, nailed easily, and save ...