OMT cold room pu sandwich panel, 50mm, 75mm, 100mm, 120mm, 150mm,180mm and 200mm thickness, 0.3mm to 1mm color plate, 304 stainless steel. The flame retardant grade is B2. PU panel are injected with 100% polyurethane (CFC free) with an average foam-in-place density of 42-44kg/m³.With our cold room panels, you can efficiently insulate your cold room and freezer room.