Colorless high-strength contact adhesive 3M Scotch-Weld 4693 is primarily designed for bonding plastics, including difficult-to-bond ones such as polyolefins and TPE. The adhesive is heat reactivatable and has a long open time. The joint is highly resistant to moisture and water. Version 4693 has low viscosity, version 4693H in a tube has high viscosity. Technical specifications system: solvent-based base: synthetic elastomer temperature resistance: 70 °C UV resistance: very good moisture resistance: excellent chemical resistance: very good application: spraying, rolling, painting