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Here are data sheets for some of the most common friction materials. Be aware that all data given should only be used as a guide. We are happy to put our resources at your disposal for the selection of friction material and friction coefficient. Click on the link to download as pdf file.
| Selection of applications Moulded and woven |
Material- number |
Friction- coefficient |
Max temperature a) continous operation b) short-term |
Recommended stressrange (dynamic) a) p max (N/cm2) b) v max (m/s) |
|
|---|---|---|---|---|---|
| Standard quality for semi-hard workload brakes and clutches. Suitable for e.g. cranes, hoists, winches, fork lift trucks. | RY256 | 0,35 | a) 250 b) 400 |
a) 200 b) 36 |
|
| RY265 | 0,35 | a) 250 b) 400 |
a) 200 b) 40 |
||
| Typically suitable for cranes, winches and band brakes as well as industrial disc brake pads. | RY259 | 0,40 | a) 250 b) 450 |
a) 200 b) 40 |
|
| For use in high performance clutches and brakes. Brakes and clutches for general mechanical engineering. | RY267 | 0,34 | a) 250 b) 450 |
a) 250 b) 20 |
|
| Brakes and clutches for general mechanical engineering and disc brake pads for on-rail vehicles. | RY260 | 0,28 | a) 250 b) 400 |
a) 160 b) 25 |
|
| For use in high performance clutches and brakes. | RY299 | 0,28 | a) 250 b) 400 |
a) 200 b) 30 |
|
| Rolling machines and printing machines where low friction and durable materials are required, for example continuous braking jaws. | RY268 | 0,28 | a) 250 b) 400 |
a) 250 b) 60 |
|
| Brakes and clutches for general mechanical engineering and disc brake pads for on-rail vehicles and crane brake lining. | RY264 | 0,35 | a) 250 b) 450 |
a) 200 b) 30 |
|
| Brakes and clutches for general mechanical engineering. | RY258 | 0,33 | a) 250 b) 400 |
a) 200 b) 25 |
|
| RY269 | 0,45 | a) 250 b) 400 |
a) 200 b) 30 |
||
| RY255 | 0,35 | a) 200 b) 300 |
a) 120 b) 36 |
||
| Brakes and clutches for general mechanical applications as well as electromagnetic clutches and brakes. | RY266 | 0,42 | a) 250 b) 400 |
a) 200 b) 30 |
|
| Brakes for cranes and heavy duty industrial applications. | RY257 | 0,40 | a) 250 b) 450 |
a) 200 b) 25 |
|
| Heavy duty use in brakes and clutches as well as disc brake pads for industrial applications. | RY263 | 0,45 | a) 350 b) 600 |
a) 250 b) 50 |
| Selection of applications |
Material- number |
Heat conductivity | Friction value a) dynamic b) static |
Max speed |
|
|---|---|---|---|---|---|
| The material is suitable for many applications and is especially designed for use in static brakes under high facing pressure. | RY-C02 | 15.6 ± 10% W/m° K | a) 0.08—0.10 b) 0.09—0.11 |
20 m/s | |
| The material have a stable dynamic and static coefficient for wet applications. | RY-C13 | 15.1 ± 10% W/m° K | a) 0.06—0.08 b) 0.09—0.12 |
50 m/s | |
| The material have a high dynamic/static coefficient for dry applications. | RY-C14 | a) ≥ 0.50 b) |
30 m/s | ||
| This is an oil cooled paper—base friction material with high enery capacity and dynamic coefficient of friction. | RY-P01 | 0.386 ± 10% W/m° K | a) 0.12—0.15 b) 0.12—0.17 |
40 m/s |
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