[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

防紫外线看UPF值，UPF≥40且UVA透过率<5%才算有效防晒（相当于阻挡97.5%以上紫外线）；西晒房、有实木家具或字画的房间应选UPF50+的阳光面料或全遮光款保护家具褪色

1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen

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Unverified东西向房间夏季暴晒选择带涂层或高密度聚酯的采光纱帘，防紫外线等级UPF≥40可阻挡95%以上UV，保护地板家具不褪色86% similar

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https://kongchang.com/claim/395088
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curl https://kongchang.com/api/v1/knowledge/claims/395088
MCP
get_claim(id=395088)