Unverified85% confidenceDecision RuleTime unknown
长时间户外暴晒选UPF50+且深色或高密度机织面料，浅色薄款UPF往往仅15-30，湿水后防护力还会进一步下降30%以上
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85%
Confidence
Long-term
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Unverified户外场景优先选210D以上牛津布或涂层尼龙材质，防水指数需达PU1000mm以上才能应对小雨；普通聚酯纤维仅防泼溅73% similarUnverified天幕面料耐水压≥1500mm可应对小雨，≥3000mm可抗中雨，UPF50+防晒需通过银胶或黑胶涂层实现，纯色涤纶无涂层几乎不防晒72% similarUnverified轻量化优先选尼龙（如420D/500D尼龙）比同厚度帆布轻30%以上且更耐磨；帆布外观复古但吸水易脏、湿后变重，不适合多雨地区71% similarUnverified牛津布材质常见规格为210D/420D/600D，D数越高越耐磨；600D牛津布配防水涂层可用于卫浴潮湿环境70% similarUnverified面料防水看涂层与克重：500D以上Cordura尼龙或TPU涂层适合户外雨天，600D聚酯纤维日常防泼水即可；帆布腰包不防水且易脏，仅适合干燥晴天69% similar
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