3m scotch weld cyanoacrylate adhesive ec1500 3m gs200046679 scotch weld ec1500 is a high viscosity ethyl cyanoacrylate based adhesive and is suitable for bonding a wide range of materials scotch weld ec1500 is specially formulated for high strength general purpose bonding of most plastics rubbers metals and other common substrates it is recommended for use on assemblies where parts are not close fitting surfaces are rough or time is required to align parts before setting due