Best Viton Fluoroelastomer rubber provides superior resistance to highly corrosive acids and is excellent for handling aliphatic and aromatic hydrocarbons. This synthetic rubber provides the highest permeation resistance to high molecular aromatic hydrocarbons wuch as Benzene, Toulene, Xylene and Polychlorinated Biphenyls (PCBs) of any protective material used to make gloves. Viton provides the ultimate combination of protection and dexterity.