Flexible Kapton Polyimide Heating Film
Flexible Kapton Polyimide film is one of the best film insulating material in the world. It is made of PMDA and DDE by polycondensation in strong polar solvent, casting into film, and then sub amination. It is yellow and transparent, with a relative density of 1.39-1.45. The glass transition temperature is 280 ℃, 385 ℃ (Kapton) and above 500 ℃, respectively. The tensile strength is 200 MPa at 20 ℃ and more than 100 MPa at 200 ℃. It is especially suitable to be used as the base material of flexible printed circuit board and insulation material of high temperature resistant motor.
| Physical and electrical characteristics of PI heating film | ||||
| Operating voltage range | 1~220V AC/DC | General operating ambient temperature range | 200℃ (if back adhesive is needed, it depends on the temperature resistance of back glue) | |
| Dielectric Strength | ≥1000VAC/MIN | Operating ambient temperature range | -50~300℃ | |
| insulation resistance | ≥100MΩ | Spessore | 0.1~0.52mm | |
| Recommended power density | 0.1-0.6W/cm2 | Mechanical compressive strength | 100KG/ cm2 | |
| Max. power density | 1.0W/ cm2 | Conductor tension | ≥80N | |
| Vita utile | 5~10年 | Welding point tension | ≥20N | |
Application of Polyimide heating film:
New energy industry (battery);
Communication security industry;
Camera, hard disk video recorder;
Electric power industry, military industry and aerospace industry;
Fabric thermal tester, thermal conductivity tester;
Car industry (automobile air conditioning speed regulating resistor, automobile rear-view mirror defrosting sheet)
Kitchen and bathroom products
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