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 PO.Quality Specification ItemHydroxyl value(mgKOH/g)Water content%ViscosityMpa·s/25pHColority(G.D)≤ZS-4110430±20≤0.154500-55009.0-11.010ZS-4110A400-460≤0.153000-38005-88ZS- ...