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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

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Unverified真正防暴雨需选PU涂层≥5000mm水压或TPU复合材质并配压胶接缝，普通涤纶硅涂（无胶条）仅能防小雨15-20分钟，长时间大雨会从缝线渗水87% similar Unverified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85% similar Unverified防泼水性能看耐久等级：入门级DWR涂层洗涤5-10次后失效需补喷，专业级(如C6/无氟长效)可维持20次以上；标注防水指数≥5000mm才能应对中雨，10000mm以上才适合持续降雨85% similar

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