Unverified80% confidenceDecision RuleTime unknown
防漏层结构优选『TPU防水膜+吸水层』三明治结构而非纯涂层，TPU膜厚度0.02-0.03mm可兼顾防水与静音，避免翻身时塑料摩擦声影响睡眠
1
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80%
Confidence
Long-term
Relevance
-
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Unverified防水性与舒适透气性互斥：TPU防水膜越厚防渗漏越好但闷热不透气，长时间睡眠垫建议选防水层仅在底部+表面透气面料，全包防水更适合尿垫和汽车垫83% 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81% similarUnverifiedTPU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)81% similarUnverified防水层优先选TPU或PUL膜材质，透气性显著优于PVC/PE贴膜；判断标准是内裤裆部厚度≤5mm且弯折后无塑料脆响80% similarUnverified防水涂层面料越强则透气性越差，两者不可兼得：追求隔脏防水选TPU贴膜款但需接受闷汗，追求睡眠舒适选防泼水涤纶款；纯睡眠场景优先透气79% similar
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