Mô tả
General properties
| Rings material |
xirodur B180
|
|
| Density |
1.42 g/cm³
|
|
| Colour |
White
|
|
| Max. moisture absorption |
0.2 Wt.- %
|
|
| Max. total moisture absorption |
0.7 Wt.- %
|
|
| Weight |
58.8 g
|
Mechanical properties
| Max. axial static pressure load |
500 N
|
|
| Max. static radial compressive force |
260 N
|
|
| max. speed (rpm) |
900
|
|
| max. permissible tilt moment |
30 Nm
|
|
| Modulus of elasticity |
2500 MPa
|
|
| Flexural strength (at 20°C/68°F) |
68 MPa
|
|
| Shore D hardness |
77
|
General chemical resistance
| Alcohol |
+ resistant
|
|
| Greases, oils without additives |
+ resistant
|
|
| Hydrocarbons |
+ resistant
|
|
| Fuels |
+ resistant
|
|
| Strong alkalis |
+ to 0 resistant to conditionally resistant
|
|
| Strong acids |
– non-resistant
|
|
| Diluted alkalis |
+ resistant
|
|
| Diluted acids |
0 to – conditionally to non-resistant
|
Dimensions
| Ø d1 |
47 mm
|
|
| D |
80 mm
|
|
| d |
40 mm
|
|
| D1 |
72 mm
|
|
| k1 |
3.3 mm
|
|
| k2 |
3.2 mm
|
|
| H |
15 mm
|
|
| h |
2.5 mm
|
|
| T |
60 °
|
Thermal properties
| Max. long-term application temperature |
80 °C
|
|
| Lower application temperature |
-40 °C
|
