Unverified75% confidenceFactTime unknown
XPE铝膜防潮垫的铝膜面朝上可反射人体热量增强保温，朝下则更利于隔绝地面湿气，寒冷天气建议铝膜朝上
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified泡沫垫一面常带铝膜反射层，铝膜面应朝上（朝向身体）以反射人体辐射热保温，很多人放反了导致保温效果打折83% similarUnverified闭孔泡沫结构不吸水、不需要维护，铝膜面朝向身体可增加保暖效果；可兼做午休坐垫或背包背板使用76% similarUnverified反射率高≠适用所有场景：镀铝薄膜不透气，长时间贴身包裹会积聚汗液导致失温加剧，正确用法是反射面朝内但需留通风口，或作外层挡风75% similarUnverified不要将急救毯直接贴身裹在潮湿或出汗的皮肤上——铝箔不透气会导致冷凝水积聚反而加速失温，正确做法是隔一层衣物或作为最外层反射面75% similarUnverified带内置隔热层（如镀铝反射膜或合成棉）的充气垫R值显著高于纯空气垫，同厚度下更保暖，但用手泵充气更佳，用嘴吹气会因湿气进入导致内部发霉和R值下降74% similar
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