WANOL® F4719 is a high-functional, high-molecular-weight, high-activity polyether produced by Wanhua Chemical Group Co., Ltd. It is suitable for the production of high-resilience soft polyurethane block, cold mold molded foam and self-skinning materials. It is mainly used in the production of automobile seat cushions, steering wheels, armrests and bicycle and motorcycle saddles. It can improve the comprehensive mechanical properties of polyurethane materials.