Strongcrete is a rapid setting, rapid hardening concrete patching material that exhibits excellent ?exural properties, shear bond strength and compressive strength. Strongcrete is a blend of portland cement and proprietary admixtures. Strongcrete o?ers superior resistance to de-icing salts, petroleum products and other chemicals prevalent on concrete roadways. In addition, Strongcrete will not rust or corrode reinforcing steel under moist, humid conditions