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Ultem®Polyetheride (PEI)
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TYPICAL PROPERTIES of ULTEM® |
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ASTM or UL test |
Property |
Ultem® 1000 |
Ultem® 2300 |
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PHYSICAL |
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|
D792 |
Density (lb/in³) |
0.046 |
0.055 |
|
D570 |
Water Absorption, 24 hrs (%) |
0.25 |
0.18 |
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MECHANICAL |
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D638 |
Tensile Strength (psi) |
16,500 |
17,000 |
|
D638 |
Tensile Modulus (psi) |
475,000 |
800,000 |
|
D638 |
Tensile Elongation at Break (%) |
80 |
3.0 |
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D790 |
Flexural Strength (psi) |
20,000 |
30,000 |
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D790 |
Flexural Modulus (psi) |
500,000 |
900,000 |
|
D695 |
Compressive Strength (psi) |
22,000 |
32,000 |
|
D695 |
Compressive Modulus (psi) |
480,000 |
620,000 |
|
D785 |
Hardness, Rockwell |
M112 / R125 |
M114 / R127 |
|
D256 |
IZOD Notched Impact (ft-lb/in) |
0.5 |
1.0 |
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THERMAL |
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D696 |
Coefficient of Linear Thermal Expansion |
3.1 |
1.1 |
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D648 |
Heat Deflection Temp (°F / °C) |
392 / 200 |
410 / 210 |
|
D3418 |
Glass Transition Temp (°F / °C) |
419 / 215 |
419 / 215 |
|
- |
Max Operating Temp (°F / °C) |
340 / 171 |
340 / 171 |
|
C177 |
Thermal Conductivity |
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UL94 |
Flammability Rating |
V-O |
V-O |
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ELECTRICAL |
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D149 |
Dielectric Strength (V/mil) short time, 1/8" thick |
830 |
770 |
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D150 |
Dielectric Constant at 1 MHz |
3.15 |
3.70 |
|
D150 |
Dissipation Factor at 1 MHz |
0.0013 |
0.0015 |
|
D257 |
Volume Resistivity (ohm-cm)at 50% RH |
6.7 x 1017 |
3.0 x 1016 |
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