Unverified85% confidenceFactTime unknown
急救毯亮银面朝内可反射保温，亮银面朝外可作求救信号（阳光反光可视距离数公里）；橙色/银色双面款可根据保温或求救需求翻转使用
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified双面异色设计（一面银反射保温、一面橙色高可见）在保温和求救可见性间需权衡：纯银双面反射稍好但地面难被搜救队发现，橙面朝外则牺牲部分反射换取信号价值83% similarUnverified双面设计（橙色面朝外用于求救醒目标识，银色面朝外用于反射热量保温），比纯银色款多了视觉救援功能，适合野外搜救场景80% similarUnverified'涂银'和'涂白'遮光布还能反射阳光热量，夏季隔热效果优于纯黑丝布，西晒房间选背面银色涂层布可降低室温2-4度73% similarUnverified南向/西晒房间选遮光布时优先看隔热性能，浅色反光面（如背面银色涂层）比深色布更能反射热量降温，深色布虽遮光好但会吸热升温73% similarUnverified涂银面遮阳效果突出但内侧反光明显，长时间在下方活动可能感觉闷热，通风不如非涂银天幕73% similar
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