Core Viewpoint - Ruihua Tai stated that PI film is one of the best-performing super engineering polymer materials in the world, with excellent mechanical properties, dielectric properties, chemical stability, and high resistance to radiation, corrosion, and extreme temperatures [1] Application Areas - PI film can be widely applied in flexible circuit boards, consumer electronics, high-speed rail transportation, wind power generation, 5G communication, flexible displays, and aerospace [1] - The potential applications in nuclear energy and controlled nuclear fusion are currently unknown [1]