Unverified80% confidenceDecision RuleTime unknown
防水层选TPU膜优于PU/PVC涂层：TPU耐水解、耐洗次数可达80-100次仍不漏，PU涂层洗30-50次后易开裂脱层导致渗漏
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80%
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Long-term
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UnverifiedTPU防水层比PU/PVC涂层更透气耐用，TPU可承受100次以上机洗不开裂，PVC通常30-50次后易起皱漏水，长期给尿床娃用优先选TPU91% similarUnverifiedTPU防水膜的水静压防水指标可达10000mm以上，能长时间阻挡尿液渗透；普通PU涂层通常仅3000-5000mm，短时防泼溅可以但长时间浸泡会渗漏83% similarUnverified防水层克重≥90g/㎡的TPU膜可承受机洗甩干不脱膜，低于60g/㎡的薄膜多次洗涤后易起皱漏水，尿床/漏奶高频场景应选≥90g/㎡且标注可机洗的产品81% similarUnverifiedTPU防水膜透湿量普遍达3000-5000g/㎡/24h，远优于PVC(几乎不透湿)，是可透气防水垫的主流材料标准81% similarUnverified选带防水层的垫子要看是否为PU/TPU层压面料而非表面喷涂防泼水，喷涂款（DWR）在尿液长时间浸泡后会渗透，层压款防水静水压可达≥3000mm79% similar
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