PA PA High mechanical strength, good wear resistance, used in structural components PEEK PEEK High-temperature resistant, chemically stable, suitable for extreme environments POM POM Low friction, high rigidity, used in precision mechanical components PC PC High strength and wear resistance, suitable for complex parts PVC PVC Cost-effective, corrosion-resistant, used in general industrial applications PTFE PTFE Self-lubricating, high-temperature resistant, ideal for precision parts