Unverified85% confidenceFactTime unknown
TPU防水膜的防水性能优于PU涂层，PU涂层多次机洗后防水性会明显下降，TPU为整层复合膜结构耐洗性更稳定
1
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85%
Confidence
Long-term
Relevance
-
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UnverifiedTPU防水膜的防水性能远优于PU涂层，且TPU可耐反复水洗不脱膜，PU涂层洗多次后易起皮失效96% similarUnverified涂层防水（PU/TPU）比压胶膜防水（如Gore-Tex类）便宜但透气差、洗涤10-20次后防水衰减明显；高频使用选带持久防水膜款92% similarUnverified可重复水洗隔尿垫的核心看TPU防水膜而非PU涂层，TPU可耐受60℃热水洗涤且防水不老化，PU涂层洗几次就会脱落失去防水性91% similarUnverifiedTPU防水层比PUL更薄透气但耐用性略低，PUL复合工艺贴合度更好、耐反复水洗（100次+不脱层），追求长期使用和二胎接力选PUL外层90% similarUnverifiedTPU防水层比PVC/PE更透气且不易发硬发脆，长期反复水洗首选TPU；PVC材质在高温烘干后易开裂失去防水性88% similar
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