WK868 friction liner for multi-rope friction elevator, the product performance is stable, and the friction coefficient is greater than 0.25 under any working condition, which fully meets the requirements of use.
Technical parameter
(1)Mechanical properties table
Density g/cm2 |
Hardness HD |
Impact strength KJ/M2 |
Tensile strength MPa |
Bending strength MPa |
Allowable surface pressure MPa |
Elongation at break% |
Compressive strength MPa |
1.42 |
60-69 |
15 |
17 |
13 |
4.6 |
61.3 |
33 |
(2)Table of friction coefficient
Status/technical parameters | Dry condition | Deluge condition | Test value of grease for wire rope coating | Under normal conditions |
Friction coefficient |
0.41 |
0.6 |
0.36 |
>0.25 |