Polyetherketoneketone (PEKK) is a semi-crystalline thermoplastic in the polyaryletherketone (PAEK) family, with high heat resistance, chemical resistance and the ability to withstand high mechanical loads
P 0205 (OTTO) Polyetheretherketone, PEEK, Cas no 29658-26-2 - used in its space taxis, using additive manufacturing.