What are the characteristics of PTFE oil seal? What are the advantages over ordinary rubber?

PTFE oil seals, also known as polytetrafluoroethylene (PTFE) oil seals, have the following characteristics and advantages:

 

Excellent chemical resistance: PTFE oil seal has excellent chemical corrosion resistance, can withstand a variety of strong acids, strong bases, organic solvents and corrosive media. It has amazing stability against most chemicals and can provide superior sealing results in harsh chemical environments.

Excellent high temperature resistance: The PTFE oil seal can withstand extremely high temperature ranges, usually between -200°C and +260°C with good sealing properties. It maintains stable performance even in extremely high temperature environments without deformation or damage.

Very low coefficient of friction: The PTFE oil seal has a very low coefficient of friction, showing good self-lubrication characteristics. This allows seals to reduce energy consumption, friction generation and wear during movement, thereby extending the service life of seals and equipment.

Good dimensional stability: PTFE oil seal has good dimensional stability, whether at high temperature or low temperature conditions, can maintain stable sealing performance. Its coefficient of thermal expansion is extremely low and is not easily affected by temperature changes.

High electrical insulation: PTFE oil seal is an excellent electrical insulation material, with good insulation properties and electrical breakdown resistance. This makes it applicable to electronic equipment, instrumentation and other areas that require electrical insulation properties.

Compared with ordinary rubber, PTFE oil seal has obvious advantages. First, the PTFE oil seal performs better in terms of high temperature, chemical corrosion and friction properties. Secondly, the PTFE oil seal has a lower coefficient of friction and better self-lubrication characteristics, which can reduce energy loss and wear. In addition, the dimensional stability and electrical insulation performance of the PTFE oil seal are also better. In summary, the PTFE oil seal is a high-performance sealing material suitable for a wide range of industrial fields and harsh environments.

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