Unverified85% confidenceDecision RuleTime unknown
面料克重≥280g/㎡（三层复合结构）遮光与垂坠感最佳；低于200g/㎡多为单层涂层，透光漏光风险高且易变形
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85%
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Long-term
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Unverified布料克重是遮光与垂坠感的关键，全遮光布克重通常需≥280g/㎡；克重<200g/㎡的产品往往靠涂层遮光，手感薄、垂坠差、迎光看有漏光针孔83% similarUnverified遮光效果越好通常意味着面料越厚越重（三层复合可达400g/㎡以上），对伸缩杆和魔术贴的承重要求高，轻质安装方式易脱落下坠82% similarUnverified涤纶抗皱面料克重需权衡：160-220g/㎡的中等克重既有垂坠感又不透光，低于140g/㎡易透且飘但显廉价，高于250g/㎡挺括但收纳占体积81% similarUnverified面料克重是耐用度关键指标：弹力套面重≥260g/㎡为厚实款不易变形透光，＜200g/㎡的薄套穿几次就松弛且会透出底色80% similarUnverified无纺布壁纸克重≥140g/㎡才具备较好的遮盖力和抗撕裂性，低于100g/㎡的贴上后易透出墙面底色和瑕疵80% similar
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