Unverified85% confidenceDecision RuleTime unknown
收纳包面料看克重与工艺：210D以上涤纶或尼龙耐磨抗撕，热压/防泼水涂层能应对短暂淋雨；真正防水需看是否为TPU或PVC材质并有压胶焊接接缝
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85%
Confidence
Long-term
Relevance
-
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Unverified真正防水需看是否为焊接热压缝线+卷口式封口（IPX级或TPU/PVC涂层），普通尼龙牛津布配拉链只能防泼溅，涉水或雨天全防护需选卷封干袋89% similarUnverified收纳包面料选210D以上涤纶或尼龙+TPU/PU涂层才具备实际防泼水能力，宣称的‘防水’单层无纺布或普通网布只是防尘，遇到洗漱包漏液或雨天托运照样渗透88% similarUnverified面料涂层选PU/TPU压胶或防泼水DWR处理，静水压≥5000mm才算真防水；纯棉华达呢仅防小雨，遇暴雨会渗透87% similarUnverified充气垫面料抗撕裂看丹尼数（D值），底面≥40D较耐磨；表面PU涂层或TPU工艺影响防水，TPU比PVC更耐用环保且低温不易脆化86% similarUnverified防水优先选TPU涂层或PU涂层牛津布（600D以上），并确认底部为一体压胶而非普通缝线；普通涤纶+缝线接缝在雨天或奶瓶漏液时会渗水86% similar
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