DATA SHEETS OF OUR FRICTION MATERIALS

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)
PDF
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
PDF
RY265 0,35 a) 250
b) 400
a) 200
b) 40
PDF
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
PDF
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
PDF
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
PDF
For use in high performance clutches and brakes. RY299 0,28 a) 250
b) 400
a) 200
b) 30
PDF
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
PDF
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
PDF
Brakes and clutches for general mechanical engineering. RY258 0,33 a) 250
b) 400
a) 200
b) 25
PDF
RY269 0,45 a) 250
b) 400
a) 200
b) 30
PDF
RY255 0,35 a) 200
b) 300
a) 120
b) 36
PDF
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
PDF
Brakes for cranes and heavy duty industrial applications. RY257 0,40 a) 250
b) 450
a) 200
b) 25
PDF
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
PDF

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 PDF
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 PDF
The material have a high dynamic/static coefficient for dry applications. RY-C14
a) ≥ 0.50
b) 
30 m/s PDF
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 PDF