Selection of sealing material
The basic requirements for sealing are good sealing, safe and reliable, long life, compact structure, convenient manufacturing and maintenance, and low cost.
- The material has good compactness and is not easy to leak the medium.
- Have proper mechanical strength and hardness.
- Good compressibility and resilience, small permanent deformation.
- No softening or decomposition at high temperature, no hardening, and no embrittlement at low temperature.
- Good corrosion resistance, long-term work in acid, alkali, oil, and other media, with small changes in volume and hardness.
- The small friction coefficient and good wear resistance.
- It has the flexibility to bond with the sealing surface.
- Good aging resistance and durability.