ESRON 4 MINUTES GREY EPOXY COMPOUND a fast setting two parts adhesives that cures by a chemical reaction between the resin and hardener to a tough and strong bond, especially to metals, most plastics, ceramics, glass, fiberglass, rubber, concrete and a wide range of other materials. It has excellent chemicals resistance and high shear strength properties. Can be sanded, filled, drilled, tapped or threaded when fully cured.