... As base polyol , Making PU foam applied in spray system, sandwich panel, refrigerator,freezer, etc systems. Good quality Polyether ... for producing rigid PU foam plastics, and widely used in refrigerator, refrigerated car, freezer, heat-insulating board, coating, disinfector ... material for producing blending polyether., applied in spray system, sandwich panel, refrigerator.Detail pls refer to our R&Ds ...