Fluid Film Rust and Corrosion Inhibitor is formulated from specially processed wool-wax, highly refined petroleum oils, and selected agents to provide corrosion control, penetration, metal wetting, and water displacement. This long-lasting product contains no solvents, will not dry out, and will penetrate to the base of all metals, providing corrosion protection from both natural and industrial atmospheres. Heavily corroded and/or frozen parts such as nuts, bolts, shafts, etc. that would normally be damaged during maintenance, can be salvaged by applying Fluid Film. Contains no solvents & will not dry out Penetrates to the base of metals for corrosion protection Heavily corroded and/or frozen parts can be salvaged with Fluid Film | Camping World Fluid Film Rust and Corrosion Inhibitor, One Gallon