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改性沥青产品不宜作硬质聚氨酯(PU)的隔汽层:结合国情,实际施工设计应适当增加硬质聚氨酯(PU)保温层厚度。
Modified bitumen products should not be made of rigid polyurethane (PU) vapor barrier: According to the actual conditions, the actual construction design should be appropriate to increase the thickness of rigid polyurethane (PU) insulation layer.