| About |
|---|
| TECAPEI is a Polyetherimide based polymer, sometimes also known as PEI material, and is an amorphous thermoplastic with high mechanical strength and rigidity. Polyetherimide or PEI polymer is extruded by Ensinger in sheet and rod shapes, using Sabic Ultem® resin. Unfilled PEI thermoplastic is translucent and amber in color, and combines exceptional mechanical, thermal and electrical properties. Often referred to as Ultem® plastic, polyetherimides are very similar in their physical characteristics to the polyarylsulphones, while simultaneously offering significant advantages. This material has a remarkably high creep resistance over a wide range of temperatures and furthermore, polyetherimides have a high permanent operating temperature. Very good resistance to hydrolysis, along with dimensional stability rounds out the portfolio of typical polyetherimide properties. TECAPEI has many applications in medical, electronic/electrical, microwave, automotive, and aircraft industries. Excellent mechanical strength Outstanding heat resistance Exceptional resistance to environmental forces Inherent flame resistance with low smoke evolution High mechanical strength High dielectric strength Low dissipation factor over a wide range of frequencies Excellent machinability and finishing characteristics&& |
| Product Description | |
|---|---|
| Supplier | Ensinger |
| Generic | Polyetherimide |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Low smoke,Machinable,Flame Characteristics,Food contact compliance,High Heat Resistance,Good Tensile Strength,Amorphous,V-0 |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.27 | g/cm³ | ASTM D792 |
| Water absorption rate | ASTM D570 | ||
| 23℃，24hr | 0.25 | % | |
| Equilibrium, 23 ℃ | 1.3 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 32 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed, 6.35 mm | 210 | ℃ | |
| 1.8 MPa, unannealed, 6.35 mm | 201 | ℃ | |
| Vicat Softening Temp | 219 | ℃ | ASTM D1525 |
| Linear coefficient of thermal expansion | |||
| MD | 5.6E-5 | 1/℃ | ASTM D696 |
| Thermal conductivity coefficient | 0.22 | W/m/K |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 1.59 mm | 1.0E+17 | ohms·cm | ASTM D257 |
| Dielectric strength | ASTM D149 | ||
| In the air | 33 | kV/mm | |
| In oil | 28 | kV/mm | |
| Dielectric constant | |||
| 1 kHz | 3.15 | ASTM D150 | |
| Dissipation factor | |||
| 23℃，1 kHz | 1.3E-3 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | V-0 | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 111 | ASTM D785 | |
| Tensile modulus | |||
| 23℃ | 2960 | MPa | ASTM D638 |
| tensile strength | |||
| Fracture, 23 ℃ | 114 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 40 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 3310 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 152 | MPa | ASTM D790 |
| Compression modulus | 3310 | MPa | ASTM D695 |
| compressive strength | 151 | MPa | ASTM D695 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 50% RH |
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