CRC Brakleen Water Based Brake Parts Cleaner ideal for brake and clutch parts and general mechanical equipment. Safe on the user and the environment; pH neutral, non-corrosive, solvent free, non-flammable, rust inhibitor, non-toxic, biodegradable. Powerful, heavy duty cleaner and degreaser. Quickly and safely dissolves and flushes away grease, oil brake fluid, transmission fluid, hardened deposits and other contaminants, without the need for disassembly. Reduces maintenance costs, by saving time. Perfect for degreasing components prior to reassembly. Long soak period, increased working time.