Of the various friction materials, our resin-bonded, metal-free material STS4009 is the ideal platform for use in safety clutches. It enables a high and at the same time stable coefficient of friction on the basis of a very strong material structure as well as a high compressive and mechanical strength. This material thus ensures a very reliable and operationally safe static use, even under high loads.
| Technical data | static | dynamic |
| Mean coefficient of friction (dry) | 0,40 µ *1 | 0,41 µ *1 |
| Tmax Operation temperature *2 Continuous operation | 200 °C | 250 °C |
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1) Testing in accordance with Krauss at a specific pressure of 1 N/mm², brake disk quality in S355J2
2) Temperatures quoted relate to the dynamic application case on the surface of the friction lining. The material function as a whole can only be guaranteed if the material is not permanently heated to more than 200 °C.
(Stand: 20.04.2015)