Unverified88% confidenceFactTime unknown
遮光率主要取决于面料涂层而非颜色深浅，浅色遮光帘通过背面三层黑丝/银涂层实现遮光，与深色帘遮光效果相当；不要仅凭颜色深浅判断遮光能力
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified遮光率高低主要取决于布料本身涂层/密度，与颜色深浅关系不大；浅色遮光布通过背面涂层也可达99%遮光，不必为遮光而牺牲装饰选深色91% similarUnverified遮光靠的是涂层或密织而非颜色，浅色遮光布内层加银涂或黑丝布同样能做到99%遮光，无需为遮光而牺牲选深色导致压抑90% similarUnverified深色遮光布遮光率天然高于浅色，白色/米色遮光布必须依靠中间涂层或黑丝层才能全遮光，选购浅色全遮光帘时应确认是否为三层复合结构90% similarUnverified全遮光面料的遮光原理是中间的黑色遮光丝层，而非表面颜色，因此浅色甚至白色遮光帘同样可实现99%遮光，选颜色时不必因遮光需求牺牲外观89% similarUnverified真正全遮光靠的是'黑丝'涂层或三层机织黑纱夹层，而非单纯颜色深浅——浅色窗帘只要含黑丝层也能全遮光；判断标准是把面料贴眼强光照射看是否透光，而非看克重或颜色87% similar
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