Viton® is the most chemical resistant of all rubbers and it protects against toxic and highly corrosive chemicals. Viton® protects against polychlorinated biphenyls (PCBs), polychlorinated triphenyls, benzene and aniline. As a flouroelatomer, Viton® provides excellent resistance to aromatic and aliphatic hydrocarbons as well as chlorinated solvents. It is not recommended for ketones.