Core Viewpoint - Dinglong Technology (603004.SH) highlights the significant application value of PBO fibers in various fields, including aerospace, military defense, transportation, sports equipment, construction materials, and high-temperature protection [1] Summary by Relevant Categories Product Characteristics - PBO fibers exhibit outstanding mechanical strength, excellent high-temperature resistance, and notable lightweight advantages [1] - The fibers theoretically meet basic protective needs and can be used as outer materials for spacecraft [1] Limitations - The standalone use of PBO fibers may have limitations in high-speed impact resistance and impact toughness, necessitating the combination with other high-performance materials to form composite protective structures [1] Application Validation - While PBO fibers can theoretically be used for spacecraft outer materials, practical application to withstand impacts from space debris requires further experimental validation and downstream application testing [1]

Core Viewpoint - Dinglong Technology (603004.SH) highlights the significant application value of PBO fiber in various fields such as aerospace, military defense, transportation, sports equipment, construction materials, and high-temperature protection due to its outstanding mechanical strength, high-temperature resistance, and lightweight advantages [1] Summary by Relevant Categories Product Characteristics - PBO fiber exhibits exceptional mechanical strength, excellent high-temperature and environmental resistance, and notable lightweight advantages [1] - Theoretical applications of PBO fiber include serving as outer material for spacecraft, fulfilling basic protective needs [1] Limitations and Requirements - PBO fiber alone may have limitations in high-speed impact resistance and impact toughness, necessitating the combination with other high-performance materials to form a composite protective structure [1] - The practical application of PBO fiber as outer material for spacecraft to withstand impacts from space debris requires further experimental validation and downstream application testing [1]