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Rubber O-rings and silicone O-rings are common sealing components that are widely used in various fields, but they have some differences in material and performance.

Rubber O-rings are usually made of natural rubber or synthetic rubber and are a type of sealing ring with an O-ring cross-section. It has excellent elasticity and resilience, and can be used for static and dynamic sealing, such as in fields such as automobiles and machinery. However, rubber O-rings are prone to oxidation at high temperatures, have poor oil resistance, acid and alkaline resistance, and are easily affected by some chemicals.

Silicone O-ring is a polymer compound composed of silicon and oxygen elements, with high elasticity and transparency. It has excellent high-temperature resistance and can be used for a long time at high temperatures. It also has excellent oil resistance, acid and alkali resistance, and chemical corrosion resistance. In addition, silicone O-rings also have self sealing properties and good motion friction resistance, which can play an excellent role in static and dynamic sealing.

Overall, both rubber O-rings and silicone O-rings have their own characteristics and application areas. When high-performance sealing applications such as high temperature, oil resistance, acid and alkali resistance, and chemical corrosion resistance are required, silicone O-rings are a better choice. In some ordinary sealing situations, rubber O-rings can meet the requirements. The specific application needs to be selected based on actual needs.