Unverified80% confidenceFactTime unknown
防水内衬选 TPU 涂层优于 PVC/PEVA：TPU 无塑化剂气味、耐低温不易硬化开裂，反复擦洗后仍防渗；PEVA 便宜但冬季易变硬发脆
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80%
Confidence
Long-term
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Unverified材质防水性中，TPU涂层比PVC/PEVA更耐低温不脆化、更环保无异味，冬季外出或冷藏后仍柔软；PEVA成本低但反复折叠后易在折痕处开裂漏液93% 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91% 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89% 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88% 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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