STS 4088 Friction material
STS 4088 Friction material is the logical further development of the 4042 material.
With an even higher coefficient of friction and greatly reduced wear, it is the optimum product for modern wind power technology. Effective for yaw brakes and just as quiet as its predecessor, it makes for much longer service lives. This means it is ideal for wind turbines in populated locations.
| Technical data | static | dynamic |
| Mean coefficient of friction (dry)*1 | 0,44 µ (0,40 µ) | 0,49 µ |
| Tmax Operation temperature *2 Continuous operation | 160 °C | 160 °C |
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