The Use of Fluoro Rubber O-rings
 Sep 10, 2020|View:286

We all know that fluoro rubber O-rings are well-known for its high-temperature resistance and oil resistance. It is one of the rubber materials with better performance, and its price is relatively higher. Under what circumstances can fluoro rubber O-rings be used?

Fluoro rubber O-rings

1. Fluorine rubber O-ring sealing products are widely used in automobile and aircraft engine sealing and can be used at 250 ℃. It is suitable for the sealing of engine power output bearing. It can also be used in engine stem seal, cylinder sleeve seal, clutch seal, air filter seal, fuel pump seal, and an inner layer of the fuel hose.

2. Fluorine rubber seal can be used in high altitude conditions, below 1.33x10-7pa, other rubber can not be used for sealing, therefore, fluoro rubber has a wide range of applications in the aerospace field.

3. Fluororubber O-ring can be used for inorganic acid medium sealing. It can be used in 67% sulfuric acid at 140 ℃, concentrated hydrochloric acid at 70 ℃, and nitric acid below 90 ℃ for a long time. Fluororubber with special formula can also be used in aqua regia. In the semiconductor manufacturing industry, it can be used in media below 275 ℃ such as silicon tetrachloride, gallium arsenide, phosphorus oxychloride, etc.

There are many kinds of fluoro rubber because the fluorine content of each kind is different, so the working conditions of fluoro rubber O-ring will be different. It is also necessary to inform the seal ring manufacturer of the working condition when selecting the sealing ring material.

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