Unverified80% confidenceDecision RuleTime unknown
钓鱼/涉水场景选PVC或TPU涂层防水面料，防水指数需≥5000mm；日常防泼水的DWR涂层仅能应对小雨，长时间雨中作业会渗水
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80%
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Long-term
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Unverified防水面料看涂层与拒水指数：普通尼龙+DWR拒水涂层可应对小雨（约1000-3000mm水压），TPU复合面料或带防雨罩才能应对暴雨；仅靠拉链无止水处理的包在大雨中接缝会渗水84% similarUnverified户外登山/暴雨环境优先选PU或TPU压胶涂层面料，耐水压需≥5000mm；仅日常小雨可选DWR拒水涂层（表面泼水但不耐久，需定期补喷）83% similarUnverified真正防水需看是否为TPU/PVC焊接卷口（roll-top）结构+防水拉链，普通尼龙+涂层拉链只是防泼水，暴雨中30分钟以上会渗水82% similarUnverified户外或雨天场景应选择600D以上尼龙/涤纶面料并带YKK止水拉链，防泼水面料仅能应对小雨，需长时间暴露选PVC/TPU涂层+RC焊接拉链81% similarUnverified真正防水需看面料涂层而非仅面料本身：210D以上涤纶+PU/TPU涂层+防泼水拉链才能应对雨天，普通牛津布仅防泼溅，浸水5分钟仍会渗透80% similar
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