As a structural material, however, it lacks certain strength and traditional fluoride-based blowing agent will destroy ozonosphere, which restrains its further application.

• 但是作为结构材料，还缺乏一定的强度，并且传统发泡剂氟化物会破坏臭氧层，这些限制了硬质聚氨酯泡沫塑料的应用。