Unverified80% confidenceFactTime unknown
深色（藏蓝/黑/深灰）面料本身防晒系数比浅色高，浅色速干衫若无化学防晒涂层，实际UPF可能不足30
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified防晒衬衫的防晒能力主要靠织物密度和后整理，浅色(白/浅蓝)UPF普遍低于深色，同款深色比浅色UPF高一个等级，怕晒选深色更稳87% similarUnverified浅色速干T恤的防晒指数通常低于深色同款，白色UPF往往只有15-20，户外防晒优先选深色或标注UPF50+的浅色（需额外添加抗紫外整理剂）86% similarUnverified深色（藏青、黑、深红）防晒披肩UPF值天然高于浅色，同款面料深色比白色紫外线阻隔率高5-10%；追求极致防晒选深色，怕吸热闷则选浅色但需确认UPF达标86% similarUnverified防晒需求选UPF≥40且标注UPF50+的款式，普通深色涤纶T恤实测UPF约15-30远不达防晒标准，浅色透光更差85% 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85% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/108427API
curl https://kongchang.com/api/v1/knowledge/claims/108427MCP
get_claim(id=108427)