Introduction: Tpop-5058 POLYOL 50% is a kind of general polyether polyol as the parent, through styrene and acrylonitrile monomer and initiator, under the specific temperature and nitrogen protection of graft copolymerization. ThisproductisBHT free, amine free,low residual monomer, low viscosity, high solid content polymer polyol,solid content ofmore than 49%;the product has anti yellowing, red change, excellent performance,The use of environmental protection antioxidants,the product processing tolerance is large, the preparation of foam material liquidity is good,the finished, product bubble hole is uniform and fine,especially suitable for the producing of soft high bearing block and hot mold form and other fields.