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窗帘遮光需求看遮光率：植绒/涂层布遮光率≥90%适合卧室，纯棉麻遮光率仅40-60%只适合客厅采光需求。全遮光需选三层复合织造或加银丝涂层，但涂层布不透气易发霉，南方潮湿地区慎用

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Unverified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94% similar Unverified全遮光窗帘需选择涂层（银胶/黑丝）遮光布，遮光率≥95%适合卧室及需午睡的婴儿房；纯棉麻材质即使加厚遮光率通常仅60-80%，只能算半遮光91% similar

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