另一类是以热塑性聚苯乙烯泡沫塑料和热固性聚氨酯硬泡为主的有机保温材料，通常认定为可燃性材料。
Another kind is thermoplastic polystyrene foamed plastic thermosetting and rigid polyurethane foams primarily organic heat preservation material, usually identified as combustible materials.
聚氨酯硬泡是一种高分子热固性保温材料，导热系数0.024 W/（m?。
Rigid polyurethane foam is a polymer thermosetting heat preservation material, heat conduction coefficient 0.024 W / (m?
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