As base polyol , Making PU foam applied in spray system, sandwich panel, refrigerator,freezer ... , etc systems. Good quality Polyether polyol for rigid PU foamRaw material composition: Sucrose, glycerine, sorbitol, EDA etc..and ... used for producing rigid PU foam plastics, and widely used in refrigerator, refrigerated car, freezer, heat-insulating board, coating, disinfector cabinet, ...