Unverified75% confidenceFactTime unknown
透气透湿性用MVTR（水蒸气透过率）衡量，薄膜敷料MVTR通常500-800g/m²/24h适合低渗液，泡沫敷料可达2000-3000g/m²/24h更适合渗液创面防止浸渍
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Unverified透气性与防水性此消彼长：透气用MVTR值衡量，≥15000g/m²/24h为高透气；20000mm以上高防水膜（如硬壳）透气普遍偏弱，长时间快走易内部凝水，压缩款优先选透气膜（如三层软壳/2.5层轻量膜）84% similarUnverified透气量（MVTR，水蒸气透过率）应≥800g/m²/24h，低于此值长期贴敷易导致皮肤浸渍发白、发痒83% similarUnverifiedMVTR透湿量≥1000g/m²/24h的敷贴可减少伤口浸渍发白，长时间贴敷（超24小时）优先选高透湿膜材82% similarUnverified透气性看透湿量MVTR：单纯膜(如DryVent)约10000-15000g，Gore-Tex/eVent膜可达20000g以上，剧烈爬升出汗多的人应选透湿量≥15000g并带侧向拉链透气口81% similarUnverified透湿量（MVTR）需≥15000g/m²/24h才能在爬升出汗时有效排湿，低于10000的硬壳在高强度运动中会内部凝水，体感和渗水一样湿78% similar
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