Unverified85% confidenceDecision RuleTime unknown
防水层认准TPU材质而非PU或PVC：TPU更薄、透气性更好且无异味，PVC久用易变硬开裂降低防漏性
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Long-term
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Unverified防水层判断防漏能力：TPU防水膜比PVC/PU涂层更透气且更耐洗，选择标注'TPU防水层'的产品，PVC材质长期使用易开裂失效且闷热94% similarUnverified防水层选TPU材质优于PVC/PU：TPU无塑化剂、耐水解、可承受60℃以上高温机洗且不易开裂脆化；PVC复合膜洗几次后易起皱脱膜、遇高温变硬，且可能含塑化剂气味94% 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93% similarUnverified防水层选TPU（热塑性聚氨酯）优于PVC/PU涂层：TPU无塑化剂、耐水洗50次以上不脱层，PVC遇高温易析出气味且易硬化开裂93% similarUnverified防水层选TPU优于PVC/PE涂层：TPU无塑化剂、耐反复水洗和高温烘干不易开裂，PVC涂层洗3-5次后易起皮龟裂失去防水性93% similar
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