Ultem is a family of polyimie thermoplastic resins, of type amorphous polyetherimide. Ultem is a registered trademark of SABIC Innovative Plastics the principal developer and manufacturer. Ultem resins are used in medical and chemical instrumentation, due to their heat resistance, solvent resistance and flame resistance. Ultem 1000 (standard, unfilled polyetherimide) high dielectric strength, natural flame resistance, and extremely low smoke generation. Ultem has exceptionally high mechanical properties and performs in continuous use to 340°F (170°C) Rated UL 94V-0. Ultem is available in glass-reinforced grades 30% (Ultem 2300), 20% (Ultem 2200), 10% (Ultem 2100).