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Explain the advantages as a seal

Due to the different sealed media and the different working conditions of the equipment, the seals are required to have different adaptability, so the following requirements are generally required for the seals:
1. The material is dense and not easy to leak the medium;
2. Have appropriate mechanical strength and hardness
3. Good compressibility and resilience, small permanent deformation; no hardening at low temperature, no brittleness; no softening at high temperature, no decomposition;
4. Good anti-corrosion performance, long-term work in acid, alkali, oil and other media;
5. Small changes and do not adhere to the metal surface;
6. The friction coefficient is small and the wear resistance is good;
7. Has the flexibility combined with the sealing surface;
8. Good aging resistance and durability;
9. Convenient processing and manufacturing, cheaper prices, easy to draw.

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