Friction material, in particular for the pads, plates and friction rings for brakes and clutches

摘要

P a. friction material, in particular for the pads, plates and friction rings for brakes and clutches. b. this material is based on the vermiculite, to which is added to compounds such as calcium carbonate, barium sulfate, synthetic rubber or of the phenolic resin, iron oxide, zinc oxide, chromium oxide or their equivalents. / p & & p & c. brake pads and clutches. / p