Higher porosity area (27)
| Component | Friction Lining | |
| Characteristic | Higher porosity area | |
| Brake pads friction area ≤ 120 cm2 | A maximum of 5% is acceptable provided that lining contours are not affected. | |
| Brake pads friction area ≥ 120 cm2 | A maximum of 2% is acceptable provided that lining contours are not affected. |
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