Unverified85% confidenceFactTime unknown
防水面料看涂层而非纹理，涤纶+PU/PVC涂层可挡溅水，但只有热压无缝（TPU焊接）工艺才真正防浸泡；普通车缝线孔仍会渗水
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85%
Confidence
Long-term
Relevance
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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91% similarUnverified防水材质看面料工艺：涂层PU/TPU面料+防泼水拉链可应对小雨溅水，但真正防雨浸泡需焊接压胶缝线，普通车缝线的收纳包缝隙仍会渗水90% similarUnverified面料标注PU涂层或TPU防泼水才有意义，普通尼龙/涤纶只是抗污不防水；真正防水需看是否有防水拉链或压胶接缝，否则拉链缝隙仍会进水90% similarUnverified真正防水看接缝工艺而非仅面料：涂层面料仅防泼溅，遇暴雨需选压胶热熔接缝+防水拉链(TPU涂层)才能防浸湿90% similarUnverified真正防水（可装洗漱湿物）需选TPU涂层或PVC材质+防水拉链或压边热压工艺，普通涤纶+YKK拉链只能防泼溅不能防浸泡89% similar
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