The brake fluid must be capable of transmitting the pressure of the lever to the pads, with the aid of the brake master cylinder and the same reservoir that contains it and that allows that there is always fluid available with the progressive wear of the brakes (which draws more fluid): without that such fluid is compressed, starts boiling, corrodes the braking system or the ports in the implant.
Chonoil rust for mation has developed through its research and respecting the labeling of the brake liquid internationally adopted, with the exception of the LHM, is that of the Department of Transportation (DOT), US, and is directly proportional to their specifics.