Unverified85% confidenceFactTime unknown
窗帘遮光率是指布料本身阻挡光线的比例，行业常将99%及以上称为'全遮光'，涂层布多层织造可达99.9%，但整体房间遮光效果还取决于安装尺寸和边缝处理
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85%
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Long-term
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Unverified遮光窗帘遮光率分级：涂层遮光布遮光率90-95%仍会透边光，全遮光需选三层复合织造+背涂黑丝布结构，遮光率可达99%以上，且需搭配遮光盒或轨道贴墙安装才能消除四周漏光85% similarUnverified窗帘遮光效果80%取决于安装而非布料本身：布料需超出窗框两侧各15cm、顶部用遮光盒或顶封处理、底部落地，否则边缘漏光会毁掉高遮光布的效果85% similarUnverified遮光率标称90-99%，实际漏光主要来自窗帘两侧和顶部缝隙而非布面本身，需配合侧封导轨或做窗帘盒才能接近全遮光83% similarUnverified全遮光卷帘遮光率需达99%以上，且面料背面需带涂层（如三层涂层/银胶涂层）才能真正实现卧室遮光，单纯厚面料无涂层仍会透光83% similarUnverified遮光窗帘遮光率分级：全遮光需≥90%（涂层或三层织造），卧室建议85%以上；客厅/书房选70-85%半遮光保留柔和光线。纯棉麻材质天然遮光率仅30-50%，需加银涂层或黑丝里布才能达到全遮光82% similar
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