Unverified80% confidenceTradeoffTime unknown

TPU热压焊接的完全防水袋无缝隙不漏水但偏硬且不可折叠；PVC涂层缝线袋可折叠收纳但接缝处易渗水，融冰后车内进水的多为后者

1

Sources

80%

Confidence

Long-term

Relevance

-

First Seen

Sources

Related Entities

保温保冷袋category

Related Claims

UnverifiedTPU焊接防水结构能有效应对暴雨和涉水场景，但内袋本身无硬质支撑，装载较少时箱内会晃动，需合理填充88% similar Unverified真正防水的软包应采用TPU涂层+焊接（热压）接缝工艺，仅靠PVC涂层+车缝线的软包在暴雨或高速溅水下会从针孔渗水86% similar

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