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Characteristics, advantages and disadvantages, and applications of polyetherimide (PEI)

February 10, 2024

Characteristic

Amorphous thermoplastic resin, Tg point 217 ℃, hot deformation temperature at a load of 18.6kg/cm2 at 200 ℃.

Advantages

1. High mechanical strength.

 

2. Flame retardancy.

 

3. Superior electrical characteristics.

 

4. Resistance.

 

5. Forming and processing characteristics.

 

6. Weathering resistance.

Disadvantages

Will be corroded by halogen based aliphatic compounds such as methylene chloride, trichloroethane, etc.

Applications

1. Automotive bottom cover, electrical parts, heat exchange parts.

 

2. Various fuses, connectors, and conduit types.

 

3. Seat tray, seat belt buckle, engine parts.

 

4. Medical instruments.

 

5. Printed circuit board.