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