Consumer information about the medication TETRACYCLINE - ORAL (Sumycin), includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug TETRACYCLINE - ORAL.
conventional automotive brake rotors are cast from G3000 grey cast iron. These work well with a pad material designed to operate using adherent friction. Most of the European system rotors are cast from a high carbon G4000 grey cast iron. These work well with a pad designed to operate using abrasive friction, such that the rotor is sacrificial just like the pad.
A common substitute for asbestos lining is semi-metallic brake linings, which contain metal particles in a bonding agent. These linings are harder and last longer, though they tend to squeak and squeal. Semi-metallic brakes have been available for more than a decade. By the early 1980s, these linings were fully proven.