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What are the performance requirements for non-metallic sealing materials in precision forging?

Release time:

2025-03-19

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Abstract

Precision forging places the following requirements on non-metallic sealing materials: 1. Within a certain operating temperature range, it should have good chemical stability, be insoluble in the working medium, have strong resistance to corrosion by the working medium, and not react with metals (such as corrosion and adhesion) upon contact. 2. Good elasticity, small permanent deformation.

The performance requirements for non-metallic sealing materials in precision forging are as follows:
1. Good chemical stability within a certain operating temperature range, insoluble in the working medium, strong resistance to corrosion by the working medium, and no interaction (such as corrosion or adhesion) when in contact with metal.
2. Good elasticity and small permanent deformation.
3. Appropriate mechanical strength and hardness, capable of withstanding high pressure.
4. Low coefficient of friction and good wear resistance.
5. Not easily aged, long lifespan.
6. Low cost, easy to manufacture, and easy to press into shape.
7. Under special working conditions, it is required that the material does not soften at high temperatures or harden at low temperatures. For this purpose, there is fluororubber that can withstand extremely high and extremely low temperatures.

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