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是具有良好弹性的密封产品，在不同介质中较小的应力就会产生较大的变形，这种变形可以提供接触压力，补偿泄漏间隙，达到密封的目的。 Rubber seal ring is a sealing product with good elasticity. Small stress in different media will cause large deformation. This deformation can provide contact pressure, compensate for leakage gap, and achieve the purpose of sealing.
在使用的过程中往往会出现老化失效的情况，除了使用过程中的工况不可改变的情况下，就需要在 橡胶密封圈 的生产设计中去加强其抗老化性能了。 In the process of using rubber seals , aging and failure often occur. Except under the condition that the working conditions during use cannot be changed, it is necessary to strengthen the anti-aging performance in the production design of rubber seals .
在反复多次变形的条件下所产生的龟裂、硬化、发粘、粉化、撕裂强度下降等老化现象，叫做疲劳老化。 The aging phenomenon such as cracking, hardening, stickiness, chalking, and reduction in tearing strength of rubber seals under repeated deformation conditions is called fatigue aging. 橡胶密封圈 ，在实际使用的橡胶制品中也有很多出现疲劳老化的，如手机配件、 防震橡胶制品 等等。 Not only rubber seals , but also many fatigue aging in the actual use of rubber products , such as mobile phone accessories, shock-proof rubber products and so on.
橡胶密封圈 时，应从胶料类型、交联剂及硫化体系、填料、防老剂类型、加工工艺等进行配方和加工工艺的设计。 Therefore, when designing rubber seals with excellent fatigue and aging resistance , the formulation and processing technology should be designed from the type of rubber , crosslinking agent and vulcanization system, filler, antioxidant, and processing technology. 防老化助剂体系设计是提高橡胶疲劳寿命的较为有效途径，其主要作用是 橡胶密封圈 疲劳过程结构变化的稳定性，特别是在较高温度条件下，防老化助剂可有效阻碍机械活化氧化反应的进行而发挥功效。 The design of anti-aging additive system for rubber seals is a more effective way to improve the fatigue life of rubber. Its main role is to stabilize the structural change of the fatigue process of rubber seals , especially under higher temperature conditions, anti-aging additives can effectively hinder The mechanically activated oxidation reaction proceeds and functions.
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