Poly(ethylene glycol) diglycidyl ether is widely used as a crosslinking agent in the production of polymers and resins. It is particularly valuable in the creation of epoxy resins, where it enhances flexibility, adhesion, and durability. This chemical is also employed in the modification of proteins and peptides, improving their stability and functionality for biomedical applications. In the textile industry, it serves as a finishing agent to impart wrinkle resistance and improve fabric strength. Additionally, it is utilized in the formulation of adhesives and coatings, providing enhanced performance and resistance to environmental factors. Its biocompatibility makes it suitable for use in drug delivery systems and tissue engineering scaffolds.