|
 |  |  |  |
| Physical Properties |
|
Material: Vtec Polyimide A superior polyimide polymer that performs like a ceramic. |
| This specification covers a new material used in the manufacture of Tecknit interconnection sockets. |
| New Material Capabilities: |
|
Below are material features provided by the manufacturer. 1. High temperature resistance. 2. Superior mechanical properties. 3. Excellent chemical resistance. 4. Outstanding electrical properties. 5. Non-abrasive to mating parts. 6. Radiation resistant. 7. Very low outgassing. 8. Extremely dimentionally stable. 9. Strength at elevated temperature. 10. High compressive strength and creep resistance. 11. Superior resistance to plasma etching. 12. Wear resistance, low friction and self lubricating. 13. Extremely low moisture absorption. 14. Compliant without deforming under load and temperature. 15. Zero metal and mineral extractables. 16. Equal thermal expansion in X, Y and Z directions. |
|
Physical Properties as provided by manufacturer: |
| Please refer to the chart below for the material specifications. |
| Vtec Polyimide |
| Physical Properties | Test Method | Unit | Vtec PI |
| Specific Gravity | D792 | - | 1.41 |
| Hardness | D785 | Durometer D | 86 |
| Tensile Strength | D 638 | kgf/cm 2 | 910 |
| Elongation | D638 | % | 6 |
| Compressive Stress (10% strain) | D695 | kgf/cm 2 | 2,560 |
| Compressive Modulus | D695 | kgf/cm 2 | 26,000 |
| Compressive Creep (23°C, 24hrs 140 kgf/cm 2 | D621 | % | 0.20 |
| Flexural Strength | D790 | kgf/cm 2 | 2,086 |
| Flexural Modulus | D790 | kgf/cm 2 | 31,135 |
| Impact Strength, Izod Notched | D256 | kg cm/cm | 6.95 |
| Coefficient of thermal expansion | D696 |
In./In.°F 10-6 |
25 |
| Dimentiosional Stability (% change, 24 hrs@ 260°C ) | - | % | 0.00 |
| Thermal Conductivity | Cence Fitch | kcal/m hr °C | 0.265 |
| Dielectric Constant (23° C,106 Hz) | D150 | - | 3.20 |
| Dissipation Factor (23°C ,106 Hz) | D150 | - | .0030 |
| Dielectric Strength (Short time, .002m thick) | D149 | MV/m | 21.5 |
| Volume Resistivity | D257 | ohms-m | 1014-1015 |
| Surface Resistivity | D257 | ohms | 1015-1016 |
| Glass Transition Temperature, Tg | DSC | °C | 300 |
| Water Absorption | D570 | % | <0.1 |
| Abrasion Coefficient | Matsubara Method |
cm3sec x105 kg/m/hr |
2.46 |
| Dynamic Friction Coefficient | - | micro m | 0.35 |
| Please Read |
|
The information contained herein are typical values intended for reference and comparison purposes only. For more information contact RBI, Inc. 610-236-1445, FAX: 610-236-1446 E-mail: mcd@rblaine.net All other information contact TECKNIT Sales and Marketing Manager. |
|