The o-ring is mainly used for static gap sealing of fluids (such as water,oil, air chemical solvents, chemicals,etc.). The long-term using in the temperature between -60 and 220 degrees,it depends on the material, and the static pressure is less than 20Mpa. Sometimes used for dyamic, dynamic pressures less than 5 MPa, and also used for the semiconductor vacuum seals.

PTFE O-rings, made from polytetrafluoroethylene, are renowned for their exceptional chemical resistance and thermal stability, making them an ideal choice for a wide range of applications. Their non-stick properties allow them to function effectively in environments that would degrade other materials, such as rubber or silicone. This versatility extends their usability in industries such as pharmaceuticals, food processing, and petrochemicals, where contamination and chemical reactions must be minimized. Moreover, PTFE O-rings can maintain their integrity and performance even under extreme conditions, including exposure to aggressive chemicals and high temperatures. 

The manufacturing process of PTFE O-rings often involves precision machining or molding, ensuring that they meet stringent specifications for size and tolerance. This is crucial for applications that require a perfect fit to prevent leaks and ensure optimal performance. Additionally, PTFE O-rings can be produced in various sizes and configurations, allowing engineers to select the most suitable option for their specific needs. With the growing demand for high-performance sealing solutions, the use of PTFE O-rings continues to expand, paving the way for innovations in sealing technology. As industries evolve and face new challenges, the reliability and adaptability of PTFE O-rings will play a critical role in enhancing system efficiency and safety across diverse applications.