2.2.1.2.3 High-Performance Plastics

2.2.1.2.3 High-Performance Plastics

High-performance plastics include polytetrafluoroethylene (PTFE), polyphenylene sulfide (PPS), polyphenylsulfone (PPSU), polyetheretherketone (PEEK), polyethersulfone (PES), styrene-acrylonitrile (SAN) and polyvinylidene difluoride (PVDF). These plastics play a minor role (approx. 0.2%) in global plastics production. Since one or more properties are optimised for specific applications in these types of plastics, they are clearly distinguished from engineering plastics. Temperature resistance is one of the outstanding properties of high-performance plastics, and it is used in applications up to a permanent service temperature of 260°C (500°F). Some high-performance plastics also offer excellent resistance to extremely low temperatures – as low as -200°C (-330°F) – as well as high resistance to chemicals, radioactive radiation and other environmental influences. Other superior properties include extremely high wear resistance and electrical insulation.

Figure 23 Products made of PTFE
Figure 23 Products made of PTFE

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