ULTEM 4000 is a reinforced polyetherimide resin with an internal lubricant. It is wear resistant and has a reduced coefficient of friction. See also ULTEM 4001 for unreinforced resin properties (Filing code P-33, 3/92). This datasheet provides information on physical properties, hardness, tensile properties, and compressive and shear strength as well as fracture toughness. It also includes information on wear resistance. Filing Code: Cp-21. Producer or source: G. E. Plastics.