There has not been much testing done showing corrosion resistance versus thickness of Gentoo, as it is difficult to build the thickness of Gentoo (versus a paint that can be built up over itself to achieve a targeted thickness). However, even a thin coating 4-6 microns) of Gentoo will help to prevent corrosion, since it is hydrophobic, and it is insulating and acts as a barrier. Because it is hydrophobic, it will shed water and water-based substances more easily than other surfaces. Because it is insulating, it will inhibit the flow of electricity to the substrate, which slows the corrosion process. Because it acts as a barrier, many liquids that may remain on the surface will be physically separated from the substrate.