ULTEM® 1000 PEI/Polyetherimide is a high performance amorphous thermoplastic material. Stock shapes made from ULTEM® PEI resins possess a combination of useful characteristics, including high strength at elevated temperatures, high modulus and broad chemical resistance. ULTEM® PEI stock shapes are inherently flame resistant with low smoke emission. ULTEM® PEI stock shapes display property retention and resistance to environmental stress cracking when exposed to a wide variety of chemicals. The standard color of ULTEM® PEI is light amber. Glass filled grades appear tan or greenish in color.
Sheet Size |
N/A 12 x 12 in |
Thickness |
N/A 1.000 in |
Weight |
N/A 7.86 lb/ft² |
Specific Gravity (ASTM D792) |
N/A 1.51 |
Hardness - Rockwell (ASTM D785) |
N/A M114 |
Water Absorption - 24 hrs, 73°F (ASTM D570) |
N/A 0.16 % |
Water Absorption - Equilibrium, 73°F (ASTM D570) |
N/A 0.9 % |
Tensile Strength at Yield - 73°F (ASTM D638) |
N/A 24500 psi |
Tensile Strength at Break - 73°F |
N/A 23000 psi |
Tensile Modulus - 73°F (ASTM D638) |
N/A 1300000 psi |
Elongation at Break, 73°F (ASTM D638) |
N/A 3 % |
Flexural Strength - 73°F (ASTM D790) |
N/A 33000 psi |
Flexural Modulus (482ºF/250ºC) |
N/A 1300000 psi |
Compressive Strength at Yield, 73°F (ASTM D695) |
N/A 30700 psi |
Compressive Modulus |
N/A 938000 psi |
Shear Strength - Ultimate, 73°F |
N/A 14000 psi |
Impact Strength, Notched at 73°F (ASTM D256) |
N/A 2 ft·lb/in |
Impact Strength, Un-notched |
N/A 8 ft·lb/in |
Coefficient of Linear Thermal Expansion |
N/A 1.1 x 10-5 in/in/ºF |
Deflection Temperature at 66 psi, 0.250" (ASTM D648) |
N/A 414 ºF |
Deflection Temperature at 264 psi, 0.250" (ASTM D648) |
N/A 410 ºF |
Flammability Rating (UL 94) |
N/A V0 |
Dielectric Strength - In Air (ASTM D149) |
N/A 770 V/m |
Dielectric Strength - In Oil (ASTM D149) |
N/A 630 V/m |
Volume Resistivity - 0.062" (ASTM D257) |
N/A 3.0 x 1016 ohm·cm |
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