| 摘要 |
<p>The invention relates to a friction element (1), comprising a main body (2) having a friction layer (5), characterized in that the friction layer (5) has an arithmetic average roughness value Ra according to DIN EN ISO 4287 of at least 3 mum, a wave depth Wt according to DIN EN ISO 4287 of at least 30 mum and a mean groove width Rsm according to DIN EN ISO 4287 of at least 150 mum.</p> |
