Unverified85% confidenceDecision RuleTime unknown
防晒速干T恤看UPF值：UPF40+且标注UVA透过率＜5%才达国标防晒纺织品标准，仅标'防晒'无UPF数值的多为营销话术
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85%
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Unverified宣称防晒的速干T恤应认准UPF值标注：UPF≥40且UVA透过率<5%才达到国标'防紫外线产品'标准，仅标'防晒'无UPF数值的多为营销话术96% similarUnverified防晒速干T恤要认准UPF≥40且标注UVA透过率＜5%才算有效防晒；深色、密织面料防晒优于浅色薄款，单纯浅色速干衣防晒能力有限91% similarUnverified防晒速干衫认准UPF≥40且标注UVA透过率＜5%才是合格防晒，仅标'防紫外线'无数值的多为营销话术89% similarUnverified防晒速干T恤的UPF值需≥40才有实际意义（UPF40+可阻挡97.5%紫外线，UPF50+阻挡98%以上），深色面料防晒优于浅色，但深色吸热更闷需搭配透气网眼设计89% similar
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