3-Methacryloxypropyltrimethoxysilane is a colorless to pale yellow liquid used as a versatile silane coupling agent in various industries. With its methacryloxy functional group and three methoxy substituents, it acts as an adhesion promoter, coupling agent, surface modifier, and crosslinking agent. It enhances adhesion between different materials, improves compatibility, modifies surface properties, and facilitates crosslinking reactions for enhanced material performance.