For industrial and commercial use as a protective maintenance primer for industrial plants, pulp and paper mills, textile mills, chemical processing plants, wastewater plants, refineries, food processing plants, commercial buildings, and marine structures. For coating and protecting storage tanks, piping, roofs and roof decks, water towers, structural steel, machinery, plant equipment, marine vessels, offshore structures, and other surfaces exposed to humidity, chemicals, and corrosive environments. Excellent for touch-ups of inorganic zinc-rich primers. Topcoat is recommended for severe exposures. Excellent primer for the MoPoxY™ brand of epoxy coatings.