Back hammer tough won't crack, chip or peel perfect for auto, farm, marine, industrial And home projectspor-15 rust preventive coating is a high performance coating designed for application directly on rusted or seasoned metal surfaces. Por-15 rust preventive coating is non-porous and seals and protects many surfaces from water, chemicals, salt, and other corrosive contaminants. Por-15 rust preventive coating is an effective anti-corrosive and rust preventive coating that offers superior chemical resistance due to its dense, cross-linked molecular composition and non-porous attributes. The secret lies in por-15 rust preventive coating's curing process. Most paints dry through evaporation, but por-15 rust preventive coating dries faster when moisture is present. It has the opposite chemistry of ordinary paints. Now add to that por-15 rust preventive coating incredible hardness, toughness, and flexibility and you have a coating that is practically indestructible. Por-15 rust preventive coating is great for auto restoration, and protecting valuable equipment against rust and corrosion. You'll be amazed at the toughness visit my store for a vast variety of interesting items.