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What plastic is the hardest?

2023-11-23

What plastic is the hardest?

Polyetheretherketone (PEEK) is an engineering plastic and is considered one of the hardest plastics. PEEK has excellent high-temperature resistance, chemical stability, mechanical properties and wear resistance, making it widely used in high-performance applications.

The main characteristics of PEEK include:

Hardness: PEEK has very high hardness, comparable to some metal materials. This makes it excellent in some applications that require high hardness and rigidity.

High-temperature resistance: PEEK is able to maintain its mechanical properties at high temperatures, and its glass transition temperature can reach approximately 143°C (289°F). This makes PEEK suitable for engineering applications in high-temperature environments.

Chemical stability: PEEK has good corrosion resistance to many chemicals, including acids, alkalis, solvents, etc., making it an excellent material for use in harsh chemical environments.

Electrical properties: PEEK has excellent electrical insulation properties, so it is also widely used in the electrical and electronic fields.

Wear resistance: PEEK exhibits good wear resistance, making it suitable for applications requiring high wear resistance, such as bearings, gears, etc.

Due to its excellent performance, PEEK is often used in applications in high-demand fields such as aerospace, medical, electronics, automotive, and chemical industries. It should be noted that the high performance of PEEK is usually accompanied by a relatively high cost. When selecting plastic materials, various factors should be considered based on the requirements of the specific application.

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