Unverified75% confidenceFactTime unknown
防水等级方面，完全密封焊边的PVC袋式标签可达IP65以上，可短时浸水；普通覆膜标签仅防泼溅，覆膜边缘仍会渗水导致内芯受潮
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified接触水的场景应选标注PU膜或聚氨酯薄膜材质的防水贴，普通PVC防水贴仅防溅水，泡水后仍会渗透脱胶85% similarUnverified水下持续浸泡或水管接头防漏不要用普通PVC电工胶带，PVC背胶遇水会逐渐失效脱开，应改用防水自融胶带或专用防水胶布85% similarUnverified防水需求分级：底部PVC防水膜只防溢水渗漏，全箱PVC/TPU涂层才能装冰块化水或湿泳衣；纯牛津布标注防泼水的遇积水会渗透84% similarUnverified防水密封选PVC或BOPP膜基胶带并确保胶带完整覆盖接缝，纸基胶带遇水后基材软化失去封口力，不适合雨天户外或潮湿仓储84% similarUnverified标称"防水"的收纳包多数只是防泼溅（涂层+普通拉链），真正防雨需YKK止水拉链+焊接压胶接缝，普通尼龙涂层浸水几分钟即渗透82% similar
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