PEI Plastic Material

Polyetherimide (PEI) is a high-performance thermoplastic with excellent high-temperature stability and mechanical strength. It maintains good performance in environments up to 170°C and has excellent resistance to acids, alkalis and solvents.PEI's low hygroscopicity and excellent electrical insulating properties have led to a wide range of applications in aerospace, automotive, electronic equipment and medical devices. Although difficult and costly to process, its excellent performance makes it indispensable in demanding application scenarios.

Main Characteristics

1.High temperature performance: PEI has very high thermal stability, long-term use temperature up to 170 ° C. It still maintains good mechanical properties and dimensional stability at high temperatures.

2.Excellent Mechanical Properties: PEI material has high tensile strength and rigidity, making it perform well under high loads.

3.Chemical resistance: PEI has excellent resistance to many chemicals such as acids, alkalis and solvents.

4.Low hygroscopicity: It has very low hygroscopicity, which makes PEI materials perform stably in humid environments.

5.Electrical Properties: PEI has excellent electrical insulation properties, making it widely used in electronic and electrical applications.

Areas of Application

1.Aerospace: Due to its high temperature and mechanical properties, PEI is commonly used in structural parts and electrical components in the aerospace sector.

2.Automotive industry: In automobiles, PEI can be used to manufacture high-temperature resistant engine parts and electronic components.

3.Electronic and electrical equipment: PEI is used in the manufacture of electrical insulation and high temperature electrical components.

4.Medical equipment: Its biocompatibility and high temperature resistance make it suitable for medical devices and instruments.

Processing Characteristics

Processing: PEI can be processed by injection molding, extrusion and machining.

Difficulty: Due to its high melting point, PEI requires a high degree of temperature control during processing and the process can be complex.

FAQ:

What is PEI plastic?

PEI (polyetherimide) is a high performance thermoplastic with excellent high temperature stability and mechanical properties.

What is the maximum service temperature of PEI plastic?

PEI plastics can be used up to 170°C in the long term.

What are the key benefits of PEI plastics?

The main advantages include high temperature stability, excellent mechanical strength, chemical resistance and low moisture absorption.

In what areas are PEI plastics widely used?

PEI plastics are widely used in aerospace, automotive industry, electronic equipment and medical devices.

How well do PEI plastics tolerate chemicals?

PEI has good resistance to a wide range of chemicals including acids, bases and solvents.

What are the electrical properties of PEI plastics?

PEI has excellent electrical insulation properties for electrical and electronic applications.

What are the main processing methods for PEI plastics?

The main processing methods include injection molding, extrusion and machining.

What do I need to pay attention to when processing PEI plastics?

Due to the high melting point of PEI, processing requires strict temperature control and can be complicated.

What are the main disadvantages of PEI plastics?

The main disadvantages are higher cost and more difficult processing.

What is the hygroscopicity of PEI plastics?

PEI plastics have very low hygroscopicity, which makes them stable in humid environments.