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® 500HN Polyimide Film, 125 Micron Thickness.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.42 g/cc | 0.0513 lb/in³ | |
Water Absorption | 2.8 % | 2.8 % | 24 hr/23°C. ASTM D570 |
Moisture Absorption at Equilibrium | 1.8 % | 1.8 % | 50% RH; 23°C |
Water Vapor Transmission | 3.50 g/m²/day | 0.225 g/100 in²/day | 25 µm film; ASTM E-96-92 |
Oxygen Transmission | 9.90 cc-mm/m²-24hr-atm | 25.1 cc-mil/100 in²-24hr-atm | 25 µm film; ASTM D1434-82; 50% RH |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Film Tensile Strength at Yield, MD | 69.0 MPa | 10000 psi | 25 µm film; 3% yield point, orientation not specified; ASTM D882-91 |
Film Elongation at Break, MD | 75 % | 75 % | Orientation not specified; ASTM D882 |
Poissons Ratio | 0.34 | 0.34 | Avg. three samples elongated at 5%, 7%, 10% |
Secant Modulus | 2.80 GPa | 406 ksi | ASTM D882 |
Impact Test | 0.780 J | 0.575 ft-lb | 25 µm film; Impact strength per DuPont Pneumatic Impact Test |
Coefficient of Friction, Dynamic | 0.48 | 0.48 | film to film; ASTM D1894-90 |
Coefficient of Friction, Static | 0.63 | 0.63 | film to film; ASTM D1894-90 |
Film Tensile Strength at Break, MD | 221 MPa | 32100 psi | Orientation not specified; ASTM D882 |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 20.0 µm/m-°C @Temperature -14.0 - 38.0 °C |
11.1 µin/in-°F @Temperature 6.80 - 100 °F |
25 µm film; ASTM D696-91 |
32.0 µm/m-°C @Temperature 100 - 200 °C |
17.8 µin/in-°F @Temperature 212 - 392 °F |
25 µm film | |
40.0 µm/m-°C @Temperature 200 - 300 °C |
22.2 µin/in-°F @Temperature 392 - 572 °F |
25 µm film | |
Specific Heat Capacity | 1.09 J/g-°C | 0.261 BTU/lb-°F | Differential Calorimetry |
Thermal Conductivity | 0.120 W/m-K | 0.833 BTU-in/hr-ft²-°F | ASTM F433-77 |
Maximum Service Temperature, Air | 400 °C | 752 °F | Kapton® can function after brief exposure to 400°C (750°F). Various grades are UL rated for continuous service at 220-240°C (430-460°F). |
Minimum Service Temperature, Air | -269 °C | -452 °F | Maintains properties and flexibility |
Glass Transition Temp, Tg | 360 - 410 °C | 680 - 770 °F | A 2<sup>nd</sup> order transition occurs in Kapton® between 360-410°C (680-770°F) and is assumed to be the T<sub>g</sub> |
Flammability, UL94 | V-0 | V-0 |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Refractive Index | 1.70 @Wavelength 589.3 nm |
1.70 @Wavelength 589.3 nm |
Na D line; ASTM D542-90 |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Electrical Resistivity | 1.00e+10 ohm-cm | 1.00e+10 ohm-cm | in damp heat; IPC-TM-650; Method 2.5.17 |
1.00e+17 ohm-cm | 1.00e+17 ohm-cm | per ASTM D257-91 | |
Dielectric Constant | 3.5 @Frequency 100000 Hz |
3.5 @Frequency 100000 Hz |
|
3.6 @Frequency 1000 Hz |
3.6 @Frequency 1000 Hz |
Use evaporated metal electrodes, two terminal system of measurement at standard conditions.; ASTM D150 | |
Dielectric Strength | 154 kV/mm | 3910 kV/in | Flat sheets in air placed between 1/4 in diameter brass electrodes with 0.8 mm (1/32 in) edge radius subjected to 60 cycles AC voltage at 600V/s rate of rise to the breakdown voltage.; ASTM D149-81 |
Dissipation Factor | 0.0020 @Frequency 1000 Hz |
0.0020 @Frequency 1000 Hz |
Same test as dielectric constant. |
0.0090 @Frequency 100000 Hz |
0.0090 @Frequency 100000 Hz |