Permatex Non-Chlorinated Brake and Parts Cleaner penetrates dissolves and removes dirt and oil from brake systems and metal parts leaving no contaminant-attracting residue or chlorinated solvent run-off. Safer for aluminum and helps manage EPA halide limits. Permatex cleaners were first introduced to meet the needs of the professional technician. Today their automotive cleaners have gained wide acceptance as the highest quality products available of their kind.