GE Plastics Ultem® 1000 PEI, Polyetherimide, unfilled, extruded Material Notes: Ultem* l000 polyetherimide is an amorphous, high-performance polymer with exceptional flame and heat resistance. It performs continuously to 340°F (171°C), making it ideal for high strength/high heat applications, The ULTEM Resin family of amorphous thermoplastic polyetherimide (PEI) resins offers outstanding elevated thermal resistance, high strength and stiffness, and broad chemical resistance. ULTEM is available in transparent and opaque custom colors, as well as glass filled grades. pei nat ultem 1000-1000; pei black ultem 1000-7101; pei gf10% nat ultem 2100-1000; pei gf20% nat ultem 2200-1000; pei gf20% black ultem 2200-7301; pei gf30% nat ultem 2300-1000; pei gf30% black ultem 2300-7301; pei gf40% nat ultem 2400-1000; pei gf40% black ultem 2400-7301; pei gf45% nat ultem 3452-1000; msds and datasheet - pei; pps ... ULTEM™ 1010F is an amorphous polyetherimide (PEI) grade. Offers high flow, durability, excellent mechanical properties, excellent dimensional stability and easy processability with low toxicity and smoke evolution.