In hydraulic brake systems, brake hoses and brake lines are used to transfer brake fluid. Brake lines connect the actuation device such as the brake master cylinder to the hydraulic components of the wheel brake. Brake hoses are used as flexible connecting pipes in all moving areas between the body and chassis.
With the integration of ABS, ESP, and TCS systems in modern vehicles, the operative requirements placed on these assemblies have risen dramatically. Included among the main requirements are compressive strength, mechanical load-carrying capacity, and thermal and chemical resistance.