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Kapton® FWN polyimide films are composite insulation materials engineered for use in magnet wire constructions where robust processing capability and consistent insulation design are required. The product family offers multiple constructions to support different manufacturing and performance needs in electric motor applications.
| Property Group | Property Name | Value | Test Method |
|---|---|---|---|
| Appearance | Color | Off white | |
| Classification | Functional Film Type | Fluropolymer coated film | |
| Electrical | UL Electrical RTI (°C) | 240 | UL 746B |
| Mechanical | UL Mechanical Strength RTI (°C) | 200 | UL 746B |
| 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) | Tensile Modulus @23°C (GPa) |
|---|---|---|---|---|---|---|---|
| Test Method | ASTM D5470 | ASTM D882 | ASTM D149 | ASTM D149 | ASTM D1505 | ASTM D882 | ASTM D882 |
| Kapton® 120FWN616B | 33.0 | 92 | 252 | 2.60 | 1.52 | 207.0 | |
| Kapton® 150FWN019 | 38.1 | 55 | 142 | 3.00 | 1.68 | 119.0 | 1.18 |