TECAPEI™ natural (Sabic Ultem ® 1000 series)
TECAPEI natural (PEI) is an unreinforced polyetherimide, suitable for contact with foods, that exhibits high mechanical strength and rigidity. The characteristic profile includes very good hydrolysis resistance, and dimensional stability, combined with a relatively high long term service temperature.
Facts
Chemical Designation
PEI (Polyetherimide)
Color
amber transparent
Alternative colors available:
black
Density
1.27 g/cm3
PEI (Polyetherimide)
Color
amber transparent
Alternative colors available:
black
Density
1.27 g/cm3
Features
- high dielectric strength
- inherent flame retardant
- low smoke emissions
- easily machinable to tight tolerance
- high thermal and mechanical capacity
- flame retardant according to UL94 V-0
Industries
aircraft and aerospace technology
automotive industry
electronics
medical technology
semiconductor technology
food engineering
food processing
automotive industry
electronics
medical technology
semiconductor technology
food engineering
food processing
Show/Hide Mechanical Properties
| Description | value | unit | condition | test method |
| Modulus of elasticity (tensile test) | 430,000 | psi | @ 73 °F | ASTM D 638 |
| Tensile strength at break | 17,500 | psi | @ 73 °F | ASTM D 638 |
| Elongation at yield (tensile test) | 7 | % | @ 73 °F | ASTM D 638 |
| Elongation at break (tensile test) | 40 | % | @ 73 °F | ASTM D 638 |
| Flexural strength | 23,000 | psi | @ 73 °F | ASTM D 790 |
| Modulus of elasticity (flexural test) | 480,000 | psi | @ 73 °F | ASTM D 790 |
| Compression strength | 21,000 | psi | @ 10% strain | ASTM D 695 |
| Compression strength | 3,500 | psi | @ 1% strain | ASTM D 695 |
| Compression modulus | 480,000 | psi | ASTM D 695 | |
| Notched impact strength (Izod) | 0.60 | ft-lbs/in | @ 73 °F | ASTM D 256 |
| Rockwell hardness | 110 | M Scale | ASTM D 785 | |
| Rockwell hardness | 126 | R Scale | ASTM D 785 |
Show/Hide Thermal Properties
| Description | value | unit | condition | test method |
| Vicat softening point | 426 | °F | ASTM D 1525 | |
| Deflection temperature | 394 | °F | @ 264 psi | ASTM D 648 |
| Deflection temperature | 410 | °F | @ 66 psi | ASTM D 648 |
| Service temperature | 392 | °F | short term | |
| Service temperature | 338 | °F | Long Term | |
| Thermal expansion (CLTE) | 3.1*10-5 | in/in/°F | ASTM E 831 | |
| Thermal conductivity | 1.5 | BTU-in/hr-ft2 -°F | ASTM D 2214 |
Show/Hide Electrical Properties
| Description | value | unit | condition | test method |
| Volume resistance | 1.0 x 1017 | Ω*cm | 1/16 | ASTM D 257 |
| Dielectric strength | 709 | V/mil | In Oil | ASTM D 149 |
| Dielectric strength | 830 | V/mil | In Air | ASTM D 149 |
| Dissipation factor | 0.0013 | 1 kHz, 50% RH, 73 °F | ASTM D 150 | |
| Dissipation factor | 0.007 | 1 MHz, 50% RH, 73 °F | ASTM D 150 | |
| Dielectric constant | 3.15 | 1 kHz, 50% RH | ASTM D 150 | |
| Dielectric constant | 3.1 | 1 MHz, 50% RH, 73 °F | ASTM D 150 |
Show/Hide Other Properties
| Description | value | unit | condition | test method |
| Moisture absorption | .25 | % | @ 24 hrs, 73 °F | ASTM D 570 |
| Moisture absorption | 1.25 | % | @ saturation, 73 °F | ASTM D 570 |
| Flammability (UL94) | V0 | |||
| Flammability | pass | 3 mm | FAR 25.853 |
Other PEI Products: