Serious agingofrubber, plastic surfaces can be used dope.
严重老化之橡胶、塑料表面可使用原液。
2
This paper describes the structure and the performance of the motorcycle engine O-shaped rubber sealing ring, and the reasons and mechanism ofagingofrubber products are also elaborated.
介绍了摩托车发动机O型橡胶密封圈材料的结构、性能，阐述了橡胶老化的机理。
3
In this paper, the characteristics of natural and accelerated agingofrubber product is discussed. Also, the method and procedure of accelerated ageing tests and the test results are presented.