Application: It has good detergency, emulsification, dispersibility and water solubility. Good biodegradability. It is a kind of non-ionic surfactant with wide application and high cost performance. It is widely used in cosmetics emulsifier, civil detergents such as detergent, washing powder, washing liquid, heavy dirt fabric cleaner, etc., and in petroleum auxiliary, metal cleaning, textile scouring agent, printing and dyeing auxiliary, papermaking auxiliary, leather degreasing agent, agricultural preparation emulsifier and other industries.