| About |
|---|
| 35N is a pure polyimide laminate and prepreg system for applications requiring high temperature performance. High Tg (250°C) results in low Z-direction expansion for resistance to PTH failure during PWB processing, and minimizes risk of latent PTH defects in-service. Reduced temperature and time to cure offers improved throughput compared to traditional polyimide cycles.&& |
| Product Description | |
|---|---|
| Generic | TPI |
| Material Status | Commercial: Active |
| Features | High Heat Resistance,Lead content is low to none,V-1 |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.60 | g/cm³ | ASTM D792-A |
| Water absorption rate | |||
| 24hr | 0.26 | % | Internal Method |
| decomposition temperature | Internal Method | ||
| 5% | 407 | ℃ | Internal Method |
| Intial | 363 | ℃ | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 22100 | MPa | Internal Method |
| Poisson’s ratio | 0.15 | ASTM D3039 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| peel strength | Internal Method | ||
| — | 1.1 | kN/m | Internal Method |
| — | 1.1 | kN/m | Internal Method |
| — | 1.0 | kN/m | Internal Method |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | > 250 | ℃ | Internal Method |
| Linear coefficient of thermal expansion | |||
| MD | |||
| — | 1.6E-5 | cm/cm/℃ | Internal Method |
| < 250℃ | 5.1E-5 | cm/cm/℃ | Internal Method |
| > 250℃ | 1.6E-4 | cm/cm/℃ | Internal Method |
| Thermal conductivity coefficient | |||
| 100℃ | 0.20 | W/m/K | ASTM E1461 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | Internal Method | ||
| — | 5.0E+14 | ohms | Internal Method |
| — | 3.7E+14 | ohms | Internal Method |
| Volume resistivity | Internal Method | ||
| — | 1.6E+14 | ohms·cm | Internal Method |
| — | 1.2E+14 | ohms·cm | Internal Method |
| Dielectric strength | 56 | kV/mm | Internal Method |
| Dielectric constant | |||
| 1 MHz | 4.20 | Internal Method | |
| Dissipation factor | |||
| 1 MHz | 0.010 | Internal Method | |
| Arc resistance | 165 | sec | Internal Method |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | V-1 | UL 94 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Expansion rate | |||
| 50 to 260 ℃ | 1.2 | % | Internal Method |
| T260 | > 1.0 | hr | Internal Method |
| T288 | > 1.0 | hr | Internal Method |
| T300 | 11.0 | min | Internal Method |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 23°C |
| 3. x and y direction |
| 4. After Thermal Stress |
| 5. At Elevated Temperatures |
| 6. After Process Solutions |
| 7. Y-axis |
| 8. Z-axis |
| 9. E24/125 |
| 10. C96/35/90 |
| 11. Z-Axis |
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