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Polyimide (BOPI) is a polymer of imide monomers, also known as heat resistant film or high temperature film. With their high heat-resistance, polyimide enjoys diverse applications in roles demanding rugged organic materials. Polyimide film is ideal for insulating circuit boards, high temperature powder coating and transformers manufacturing.
Polyimide film provides excellent electrical, thermal, physical and chemical properties over a wide temperature range between -269ºC (-452ºF) and 400ºC (752ºF) making them superior for electrical insulation applications. Polyimide film can be laminated, metalized, punched, formed or adhesive coated. It is the recommended choice for applications that require an all-polyimide film with an excellent balance of properties.
| Properties | Unit | 12.5um(0.5mil) | 25um(1mil) | 50um(2mil) | |
|---|---|---|---|---|---|
| Density | g/cm³ | 1.42±0.2 | 1.42±0.2 | 1.42±0.2 | |
| Tensile Strength | MD≥ | MPa | 170 | 170 | 170 |
| TD≥ | MPa | 170 | 170 | 170 | |
| Elongation at rupture ≥ | % | 60 | 70 | 70 | |
| Breakdown Strength | MV/m | 250 | 240 | 240 | |
| Heat Shrinkage 200ºC 2hrs≤ | % | 0.1 | 0.1 | 0.1 | |
| Surface Resistance | Ω | 1.0×10¹³ | 1.0×10¹³ | 1.0×10¹³ | |
| Volume Resistance | Ω.m | 1.0×10¹⁰ | 1.0×10¹⁰ | 1.0×10¹⁰ | |
Widely used for Wire & cable Insulation, slot liner insulation, interlayer insulation in Motors, transformers, and more.
