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- DuPont™ Kapton® 250FN029 Polyimide/FEP Composite Film
DuPont™ Kapton® 250FN029 Polyimide/FEP Composite Film
| Category | Polymer , Film , Thermoset , Polyimide, TS , Polyimide, Thermoset Film |
| Manufacturer | DuPont |
| Trade Name | Kapton® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | DuPont™ Kapton® 250FN029 Polyimide/FEP Composite Film.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
250 Gauge film structure consisting of a 50 µm (2 mil) base polyimide film with a 13 µm (0.5 mil) coating of Teflon® FEP on one side.Kapton® Type HN film coated with Teflon® FEP fluoropolymer resin, imparts heat sealability, provides a moisture barrier, and enhances chemical resistance.General Kapton® information: Kapton® is synthesized by polymerizing an aromatic dianhydride with an aromatic diamine. It has excellent chemical resistance; there are no known organic solvents for the film. It does not melt. It can be used at both high and low temperature extremes. Kapton® polyimide films can be used in a variety of electrical and electronic uses: wire and cable tapes, formed coil insulation, substrates for printed circuit boards, motor slot liners, magnet wire insulation, transformer and capacitor insulation, magnetic and pressure-sensitive tapes, and tubing.Data provided by DuPont High Performance Films.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.57 g/cc | 0.0567 lb/in³ | ASTM D542-90 |
| Moisture Absorption at Equilibrium | 0.40 % | 0.40 % | 50% RH; 23°C (400=FN022) |
| Water Absorption at Saturation | 1.2 % | 1.2 % | 98% RH; 23°C |
| Water Vapor Transmission | 2.40 g/m²/day | 0.155 g/100 in²/day |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Film Tensile Strength at Yield, MD | 36.0 MPa @Temperature 200 °C |
5220 psi @Temperature 392 °F |
3% yield point; Orientation not specified; ASTM D882-91 |
| 58.0 MPa @Temperature 23.0 °C |
8410 psi @Temperature 73.4 °F |
3% yield point; Orientation not specified; ASTM D882-91 | |
| Film Elongation at Break, MD | 85 % | 85 % | Orientation not specified. Value at 200°C (390°F) is 110%; ASTM D882 |
| Secant Modulus | 1.38 GPa @Temperature 200 °C |
200 ksi @Temperature 392 °F |
ASTM D882 |
| 2.62 GPa @Temperature 23.0 °C |
380 ksi @Temperature 73.4 °F |
ASTM D882 | |
| Impact Test | 1.56 J | 1.15 ft-lb | Impact strength per DuPont Pneumatic Impact Test |
| Tear Strength Test | 17.8 | 17.8 | N Graves (Initial) value; ASTM D1004-90 |
| Elmendorf Tear Strength MD | 58 g | 58 g | Orientation not specified; ASTM D1922-89 |
| Film Tensile Strength at Break, MD | 200 MPa | 29000 psi | Orientation not specified; ASTM D882 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Heat Capacity | 1.09 J/g-°C | 0.261 BTU/lb-°F | Value for Kapton® HN |
| Thermal Conductivity | 0.120 W/m-K | 0.833 BTU-in/hr-ft²-°F | Value for Kapton® HN |
| Flammability, UL94 | V-0 | V-0 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 1.90e+17 ohm-cm | 1.90e+17 ohm-cm | |
| Dielectric Constant | 3.0 | 3.0 | |
| Dielectric Strength | 197 kV/mm | 5000 kV/in | |
| Dissipation Factor | 0.0013 | 0.0013 |
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