Polyether polyols, as the star materials in the field of polymer chemistry, show excellent chemical stability. Its unique molecular structure consists of multiple ethylene oxide or propylene oxide units linked by polymerization reactions, giving it excellent weather resistance, corrosion resistance and hydrolysis resistance. In a wide temperature range, polyether polyols can effectively resist oxidation and thermal degradation and maintain physical stability. This property makes it the raw material of choice for the manufacture of high-performance foam, elastomers, surfactants and lubricants. In continuous industrial applications and environmental tests, polyether polyols, with their stable chemical properties, provide reliable solutions for various industries and promote the progress of materials science.