Super-X® Brake Cleaner 930 removes grease, oil brake fluid, and other contaminants from disc, drum, and brake components without leaving any residue. Degreases instantly. Non-flammable. Contains no silicones, hydrocarbon propellants, or CFC’s. Does not contain 1,1,1, Trichloroethane. Equally efficient on automotive electrical components. Not for use in California.