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Vacuum sealing O-ring is a rubber seal used for vacuum sealing, with a circular cross-section.

It has good vacuum sealing performance and characteristics such as high temperature resistance, oil resistance, and chemical corrosion resistance, and can work normally in high temperature, high pressure, and harsh environments.

Vacuum sealing O-rings are usually made of high-performance rubber materials, such as ethylene propylene diene rubber, fluororubber, etc. Other polymer materials can also be used.

In vacuum pump applications, vacuum sealing O-rings can be used as vacuum seals to maintain a seal between the seal and the groove, preventing gas, liquid, or solid particles from leaking from adjacent fusion surfaces, and preventing external debris such as dust and water from invading mechanical components.

It should be noted that when installing and using vacuum sealing O-rings, it is necessary to choose appropriate specifications and types, and pay attention to the correct installation method to ensure their sealing effect and service life. In addition, the price of vacuum sealing O-rings may vary depending on the material and specifications, and needs to be selected according to the actual situation.