This is a high solids, single-component, underbody coating formulated to permanently stop corrosion. It protects a variety of substrates from water, chemicals, salt and other corrosive contaminants. MRS-370 and 370G stop rust when applied over properly prepared rusted surface. It dries to a flexible, rock-hard finish that will not crack, chip flake or peel. This coating can be top-coated with an industrial finish to provide UV protection. Available gallons and quarts in gloss black or gloss grey.