Sealing material performance is the important factor to ensure efficient seal, choose sealing material, mainly according to seal components work environment, such as the use of temperature, pressure and use and the working medium of movement way, etc. The basic requirements for sealing materials are as follows:
1. Has some of the mechanical properties, such as tensile strength, elongation, etc.;
2. Proper elasticity and hardness, compression permanent deformation is small;
3. Resistance to high temperature and low temperature, high temperature not decomposition, softening temperature not hardening;
4. And working medium adapt, do not produce the swelling, decomposition, hardening, etc.;
5. Resistance to oxygen sex and aging resistance, durable;
6. Wear resistance, anti-corrosion metal;
7. Easy to forming, the price is cheap;



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