隆华科技(300263.SZ)：在航天领域中，PMI泡沫可作整流罩防热复合材料的夹芯结构

Core Viewpoint - Longhua Technology (300263.SZ) is leveraging PMI foam as a core material for thermal protection composite structures in aerospace applications, specifically for the heat shield of fairings, providing a reliable solution for thermal insulation during high-speed impacts [1] Group 1: Product Application - PMI foam is utilized as the core layer for thermal insulation in the heat shield of fairings, offering advantages such as lightweight, high rigidity, high thermal conductivity, and low expansion rate [1] - The use of PMI foam contributes to significant weight reduction of the fairing and ensures stable engine operation [1] Group 2: Performance Benefits - The material enhances thermal insulation and noise reduction during severe landing impact processes, thereby improving the overall reliability of the system [1]