This product is polymerized by gradual addition reaction of ethylene oxide and water or ethanol. 1. This product has activating effect and waterproof effect, which can stabilize the hardness of high-hardness rubber. 2. It is mainly used as an activator and softener. It can be directly added to rubber as an activator for white carbon black and non-carbon black reinforcing fillers to improve the process performance and mechanical properties of the rubber compound. 3. Increase the lubricity and plasticity of rubber products, reduce power consumption during processing, and extend the service life of rubber products. The product is suitable for use as a matrix in the pharmaceutical and cosmetic industries, as a dispersant, emulsifier, antistatic agent, emulsifier, etc. in the rubber, metal processing, and pesticide industries, and also as a raw material for ester surfactants.