PI film is the best and most expensive film type insulating material known in the world at present. It is called "gold film". It has excellent comprehensive properties such as high temperature resistance, corona resistance, radiation resistance, high strength, high insulation, low dielectric constant and low dielectric loss. It is widely used in high-tech fields and plays an increasingly important role. Such as aerospace, nuclear power wind power equipment, bullet train high-speed rail Microelectronic devices, wires and cables, computers, digital appliances and other industries fields.
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