Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose/Material Description.

Materials covered in this specification are motor vehicle hydraulic (Department of Transportation) DOT 4 brake fluids composed of a suitable mixture of polyglycols, polyglycolether, boric acid ester, corrosion inhibitors and any necessary additives. Castor oil, mineral oil dirt and other contaminants are not permitted.

Symbols.

Not applicable.

Applicability.

This specification details the material and performance requirements for DOT 4 brake fluids for use in the braking system of motor vehicles.

Remarks.

None.