Unverified90% confidenceDecision RuleTime unknown
防水层选TPU材质优于PVC：TPU无塑化剂、透气性好、耐低温不易硬化开裂，PVC虽便宜但闷热、久用易脆化且可能含增塑剂
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Unverified防水层选TPU材质优于PVC/PEVA，TPU无异味、耐低温不易开裂、且可机洗，PVC遇冷易变硬且含增塑剂气味重96% similarUnverified内胆材质优先TPU而非PVC：TPU更耐反复折叠、低温不易脆裂、无塑料异味，适合长期携带；PVC便宜但折叠处易开裂漏气94% similarUnverifiedTPU材质（热塑聚氨酯）比PVC更柔软透明、耐低温不发脆，冬季或寒冷水域选TPU；PVC便宜但0度以下易硬化开裂93% similarUnverifiedTPU材质比PVC更耐用且更环保：TPU耐低温不脆化（-40℃仍柔软）、抗撕裂强度高、无异味，PVC低温易变硬开裂、有塑料味但成本低。冬季或长期使用选TPU93% similarUnverifiedTPU材质防水防潮性能优于PVC，且更耐低温不易脆裂、无异味，冬季或长期使用优先TPU；PVC仅适合偶尔低价入门92% similar
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