GM-3 lifting Hoist Head Sheave friction lining Mechanical properties | | | | | ||||
No. | Item | Unit | Measure results | Remark | ||||
1 | density | g/cm3 | 1.36 | | ||||
2 | hardness | HD | 70-74 | GB/T2411 | ||||
3 | impact strength | KJ/M2 | 9.72 | GB1843 | ||||
4 | tensile strength | Mpa | 19.10 | GB1040 | ||||
5 | Bending strength | Mpa | 26.22 | GB9341 | ||||
6 | Flexural modulus | Mpa | 920 | GB9341 | ||||
7 | elongation at break | % | 10.6 | GB1040 | ||||
8 | compressive strength | Mpa | 45.6 | GB1041 | ||||
9 | thermal decomposition temperature | ℃ | 320 | |
Comparison between GM-3 lifting Hoist Head Sheave friction lining and K25 lifting Hoist Head Sheave friction gasket equal power abrasion test | | | | | | | | |||||||
Sample No. | | Try before weight(g) | Try after weight(g) | abrasion(g) | Total abrasion(g) | (cm2) | Equal power abrasion (10-6cm3/KN.m) | |||||||
K25 | 1# | 549.70 | 549.23 | 0.47 | 0.75 | 0.481 | 5.29 | |||||||
| 2# | 548.12 | 547.84 | 0.28 | | | | |||||||
GM-3 | 3# | 513.44 | 513.15 | 0.29 | 0.56 | 0.412 | 5.29 | |||||||
| 4# | 523.22 | 522.95 | 0.27 | | | |