本文讨论了性能上的变化，特别是在改进耐摩擦性和大量减少磨损时的性能变化，这种改进是通过在PA66中添加芳胺纤维达到的。
This article discusses the changes in properties, in particular with regard to frictional resistance and the enormous reduction in wear, which can be achieved by adding aramid to PA66.
该粉末产品耐磨性，耐蚀，耐滑动摩擦性好。
The powder product wear resistance, corrosion resistance, good sliding friction.
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