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Kapton® EN polyimide film is a premium dielectric material developed for advanced flexible circuit and interconnect manufacturing. It extends the Kapton® polyimide platform with enhanced processing capability for fine‑feature circuit fabrication. The film is intended to support applications requiring precise dimensional control and reliable performance during circuit manufacturing and end use.
| Property Group | Property Name | Value | Test Method |
|---|---|---|---|
| Appearance | Color | Amber | |
| Classification | Functional Film Type | CTE matching copper electrical grade film | |
| Electrical | UL Electrical RTI (°C) | 240 | UL 746B |
| Mechanical | UL Mechanical Strength RTI (°C) | 200 | UL 746B |
| Regulatory | UL Flammability Rating | VTM-0 | UL-94 |
| Property Name | Thickness (μm) | Elongation % to Break @23°C | Dielectric Strength (kV/mm) | CTE (50-200 °C) (ppm/°C) | Tensile Strength @23°C (MPa) | Tensile Modulus @23°C (GPa) |
|---|---|---|---|---|---|---|
| Test Method | ASTM D5470 | ASTM D882 | ASTM D149 | JIS-K 7197 | ASTM D882 | ASTM D882 |
| Kapton® 20EN | 5.1 | 55 | 400 | 16 | 335.0 | 5.00 |
| Kapton® 30EN | 7.6 | 60 | 400 | 16 | 350.0 | 5.30 |
| Kapton® 50EN | 12.7 | 65 | 400 | 16 | 355.0 | 5.30 |
| Kapton® 100EN | 25.4 | 55 | 380 | 15 | 375.0 | 5.30 |
| Kapton® 200EN | 50.8 | 70 | 375 | 17 | 345.0 | 5.30 |