Unverified80% confidenceDecision RuleTime unknown

伞面看防水优先认准PU涂层或Teflon处理并标注静水压≥1000mm，仅标'防泼水'（DWR）的伞面在大雨持续冲刷下30分钟内会渗水

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Unverified面料涂层防水指数看PU/TPU涂层，标注防泼水（DWR处理）仅能应对小雨5分钟，真正防雨需要耐水压≥5000mm的涂层面料86% similar Unverified面料标注涂层PU或加TPU膜的可实现真正防水，普通高密度棉华达呢仅防泼水（能扛小雨5-10分钟），大雨仍会渗透；查看是否标注防水指数≥5000mm才算实用防水80% similar Unverified软壳外套的防泼水依赖DWR涂层而非防水膜，静水压普遍＜1000mm，仅能应对15分钟内小雨；持续降雨或需长时间户外必须搭配硬壳或雨衣79% similar

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