Unverified85% confidenceDecision RuleTime unknown
防水款优先选表层针织棉+底层TPU结构而非全塑膜款，全塑膜完全不透气会导致床垫内部潮湿发霉，反而损伤床垫
1
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85%
Confidence
Long-term
Relevance
-
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UnverifiedTPU防水膜床罩防水但基本不透气，长期覆盖会导致床垫内部湿气无法散发发霉，防水款应选背面为透气微孔TPU膜(标注breathable/moisture-permeable)88% similarUnverified床垫面料防水层应位于透气面料下方而非表层，表层需保持透气亲肤；纯TPU防水膜表层会导致闷汗，正确结构为'透气面料+隐形防水中层+透气底'87% similarUnverified防水床垫保护垫认准TPU膜层而非PVC或PU，TPU透气孔径小于水分子但大于水蒸气分子，可在防水同时保持透气；PVC完全不透气会导致床垫内部结露发霉84% similarUnverifiedTPU复合防水床笠的核心功能是保护床垫不被液体渗透，表层面料本身吸水量有限，大量液体仍会在表面积留需及时处理84% similarUnverified防水层与透气性存在天然矛盾：全包TPU防水膜防水彻底但闷热，聚氨酯涂层防水面料透气性稍好但防水性弱。建议床垫本体保持透气+外加可拆洗防水隔尿垫，而非选择整体全防水床垫84% similar
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