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Polyetheretherketone is a linear aromatic polymer compound containing chains in the main chain of the molecule. Its structural unit is oxygen-p-phenylene-oxy-carbonyl-p-phenylene, which is semi-crystalline and thermoplastic. Polyetheretherketone has the heat resistance and chemical stability of thermosetting plastics and the molding and machining peek of thermoplastics. Polyetheretherketone also has excellent heat resistance. The heat distortion temperature is 160°C, and when reinforced with 20% to 30% glass fiber, the heat distortion temperature can be increased to 280 to 300°C. The thermal stability of polyether ether ketone is good, 420 ℃ in air. The weight loss is only 2% at 2h, 2.5% at 500°C, and significant thermal weight loss occurs only at 500°C. The electrical insulating properties of ether ether ketone are very excellent, and the volume resistivity is about 10-10 ω·cm. It still has a small dielectric constant and dielectric loss in the high frequency range. The chemical stability of polyether ether Read more