PI Material

Polyimide (PI) is a high-performance aromatic heterocyclic polymer with imide rings in its main chain. Commonly known as "Golden Film", it ranks among the top-tier polymer materials. Key Properties: Extreme high temperature resistance: Continuous service temperature ranges from -200℃ to 300℃, peak temperature over 400℃ for short-term use; thermal decomposition temperature exceeds 500℃. Excellent electrical insulation: Low dielectric constant, high voltage resistance, compliant with Class F/H insulation standards. Superior mechanical toughness: High strength, excellent flex resistance and fatigue resistance. Superior stability & weather resistance: Chemical resistance, radiation resistance and low thermal expansion. Main Applications Microelectronics & semiconductors (flexible circuits, chip insulation layers), aerospace (thermal insulation, structural components), new energy (battery & motor insulation), high-end electronics (flexible displays, 5G materials).


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