光华股份：太空环境极端聚酯树脂涂料耐温及耐辐射性能不足，无法直接用于太空光伏防护用途

Group 1 - The core business of the company is polyester resin for powder coatings, which is a primary raw material for producing powder coatings [2] - Powder coatings are widely used in various fields including construction materials, general industry, home appliances, furniture, automotive, and 3C products [2] - The polyester resin coatings currently do not possess sufficient temperature and radiation resistance for direct use in space photovoltaic protection applications [2]