Polyimide PI has characteristics such as high and low temperature resistance, high friction resistance, chemical stability, mechanical toughness, natural lubrication, and high temperature insulation. It has become an ideal material for multiple fields such as aerospace, electronic communication, and automotive industry.

The main characteristics of polyimide PI sealing rings include:

● Has good performance at high temperatures

● Good chemical resistance

● High strength, hardness, and dimensional stability

● The working temperature in the air is relatively high

● Excellent mechanical strength, stiffness, and creep resistance

● High friction resistance

● UV resistance performance

● High energy radiation resistance performance

● Inherent low flammability