The friction material of brake pads contains up to 65% metallic components, depending on the type. Primarily, copper, brass, and iron are used. The black filler material made ….
…. of synthetic and natural resins incorporates fibers of rubber, glass, and carbon. Asbestos was also used until 1990. When the brake pad presses against the disc, temperatures of up to 800°C are reached. The hot abrasion deposits on the wheel rim. If not cleaned regularly, the residue burns firmly.
- Treat the rims with a cleaner that removes metal residue.
- Work the cleaner in with a soft brush or a brush.
- Apply a sealant - prevents dirt from adhering.