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Kapton® FWR polyimide film is a heat‑fusible polyimide–FEP fluoropolymer composite film designed to provide durable electrical insulation in demanding environments. It offers a balanced combination of electrical performance, thermal durability, and chemical resistance, with improved hydrolysis resistance compared to commonly used polyimide materials.
| Property Group | Property Name | Value | Test Method |
|---|---|---|---|
| Appearance | Color | Amber | |
| Classification | Functional Film Type | Fluropolymer coated film w/ improved moisture resistance | |
| Regulatory | UL Flammability Rating | V-0 | UL-94 |
| Property Name | Thickness (μm) | Elongation % to Break @23°C | Dielectric Strength (kV/mm) | Dielectric Constant @ 1 kHz | Density (g/cc) | Tensile Strength @23°C (MPa) |
|---|---|---|---|---|---|---|
| Test Method | ASTM D5470 | ASTM D882 | ASTM D149 | ASTM D149 | ASTM D1505 | ASTM D882 |
| Kapton® 150FWR019 | 38.1 | 60 | 177 | 2.70 | 1.69 | 234.0 |
| Kapton® 200FWR919 | 63.5 | 63 | 197 | 2.70 | 1.83 | 207.0 |