PEEK

Polyetheretherketone can be used at very high temperatures (about +260 °C) and it shows an extraordinary mechanical strength, toughness, hardness, flexural strength, tensional strength. PEEK exhibits excellent chemical resistance, very good dielectric properties up to +260 °C and a very good resistance to all kinds of radiation (even ultraviolet rays only lead to a slight yellow discoloration of its self-extinguishing properties according to UL 94.)

Properties

very high mechanical strength
very high rigidity (also at low temperature)
very high thermal stability
very high creep resistance
very high dimensional stability
very high radiation resistance
very high hydrolysis resistance
relatively low notch impact-strength
low resistance to acetone

Application

Bearing shells, piston rings, valve seats, gears, seals, aviation, cog-wheels, pump vanes, fittings, plug connectors for the chromatography, wafer carriers, semiconductor industry.