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Double capped polyether has shown wide application value in multiple fields due to its unique structural characteristics. It can be used as a raw material for silicone oil modification to produce polyether modified silicone oil series products; As a foaming agent in polyurethane foam system, it makes the foam pores fine and uniform; As a wetting and spreading agent in the pesticide industry to enhance drug efficacy; It can also be used as a fabric finishing agent, leveling agent for paints and polyurethane slurries, efficient cutting fluid and cleaning agent, anti fog agent for plastic greenhouses, moisturizing agent for cosmetics, and defoamer for the oil refining industry. It has the advantages of chemical stability, high temperature resistance, strong antioxidant capacity, and good biocompatibility.