瑞华泰：聚酰亚胺本身具有优异的耐辐照性能，在高辐射和极端环境中能保持长期可靠稳定

Group 1 - The core viewpoint of the article highlights the exceptional properties of polyimide, particularly its excellent radiation resistance, which allows it to maintain long-term reliability in high radiation and extreme environments [2] - Polyimide is recognized as the best polymer material for high and low-temperature insulation, playing a crucial role in insulation systems within special and complex environments [2]