3M Scotch-Grip™ 4291 thread sealant, designed for use by the motor industry, is a water-based product for pre-application to threaded fixing screws. It has excellent resistance to the fluids used in the motor industry and is able to tolerate high temperatures and pressures. The most frequent applications are on threaded fixing screws in the engine compartment. For this kind of treatment, TECNOLOGIC 3 uses 3M SCOTCH-GRIP™ adhesives.