Железнодорожные тележки центр запасные части нейлон Болстер чаша износ лайнер

Product Overview

Description

Railway bogie parts, Nylon bolster bowl wear liner

 

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

 

PA66 for example:

 

General properties	Test Method	Unit	Data
Hardness	GB/T2411	HD	75
Tensile strength	GB/T1040.1	Mpa	48
Elongation at break	GB/T1040.1	%	70
Notch impact strength (23℃),   (-50℃ )	GB/T1043.1	kJ/m2	60  12
Bend strength	GB/T9341	Mpa	5
Compressive strength	GB1041	Mpa	120
Vicat softening temperature	GB/T1633	℃	210
Water absorption	GB/T1034	%	0.9
Density	ISO1183	g/cm3	1.07
Heat deflection temperature  (1.8Mpa),   (0.45Mpa)	ISO75-1/2	℃	185 205