Railway bogie parts, Casting Nylon bolster bowl wear plate
Process and features:
The liquid resin mixed with certain curing agent, curing in the mold under certain conditions. General feature as follows:
coefficient of friction, high wear resistance;
good fatigue, high toughness;
high temperature resistance;
self-lubricating,
noise and shock absorption
MC Nylon for example:
General properties | Test Method | Unit | Data |
Hardness | GB/T2411 | HD | 60-85 |
Tensile strength | GB/T1040.1 | Mpa | 50-80 |
Elongation at break | GB/T1040.1 | % | 100-300 |
Notch impact strength (23℃), ( -50℃ ) |
GB/T1043.1 | kJ/m2 | 20-60 3-6 |
Bend strength | GB/T9341 | Mpa | 35-65 |
Compressive strength | GB1041 | Mpa | 90-130 |
Vicat softening temperature | GB/T1633 | ℃ | 160-200 |
Water absorption | GB/T1034 | % | 0.5-1.2 |
Density | ISO1183 | g/cm3 | 1.15-1.20 |
Heat deflection temperature (1.8Mpa), (0.45Mpa) |
ISO75-1/2 | ℃ | 160-180 180-200 |