| 摘要 |
A friction material having a good balance of properties is made by molding and curing a composition which contains a fibrous base, a binder and a filler, and includes a specific combined amount of at least three types of metal oxide having Mohs hardnesses of 4 to 6.5. The friction material suppresses low-frequency noise generation, minimizes rotor and disc pad wear, and has a high and stable coefficient of friction at high speeds.
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