Unverified82% confidenceCautionTime unknown
透明PVC材质防水袋轻便可视但低温（<0度）会变硬变脆开裂，寒冷地区户外应选TPU材质
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
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86% similarUnverifiedTPU涂层材质防水性能优于PVC且更耐低温不易脆化，PVC在零下环境或反复折叠后易开裂漏水，寒冷地区户外优先选TPU86% similarUnverified储物袋防水面料（PVC/TPU涂层）密封性好但硬挺、异味重、夏季暴晒易变形；牛津布透气无味但只能防泼溅不能防浸泡，日常防洒漏用牛津布即可，放冰袋饮料才需PVC85% similarUnverified全PVC/TPU透明款虽防水，但夏季高温或长时间不透气会导致内部潮湿发霉，湿毛巾、湿牙刷不应放入密封防水层，需选带独立透气网格分区放置湿物83% similarUnverified网面（可视透气）分装袋越透气越轻，但防水性几乎为零；全封闭TPU款防水防漏但不透气、闷味重。装换洗过的衣物或潮湿衣物应选网面款以防捂馊83% similar
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