Unverified85% confidenceDecision RuleTime unknown
遮光衬布克重≥180g/㎡才具备明显遮光与隔热效果，但克重超过300g/㎡叠加原窗帘后，普通窗帘杆/挂钩可能承重超限导致下垂或脱落
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
Unverified免打孔伸缩杆承重通常≤3kg，仅适合轻薄纱帘或棉麻半遮帘；克重≥300g/㎡的加厚遮光门帘需打孔安装或使用顶天立地固定杆，否则易脱落塌腰84% similarUnverified遮光率越高的厚布重量越大，对伸缩杆承重和顶墙摩擦力要求越高；全遮光三层布在1.8米宽以上易导致伸缩杆下坠脱落，宽窗全遮光建议改用免打孔角码支架而非伸缩杆83% similarUnverified挂遮光加厚窗帘（单幅布重≥2kg）时应选杆体直径≥25mm的加粗铝合金杆，配2个以上粘贴支架，避免中间下垂弯曲83% similarUnverified遮光率越高的布料越厚重，对电机扭矩要求越高，超过3米宽或15kg重的窗帘需选高扭矩电机（≥1.2N·m），否则会出现拉不动或卡顿82% similarUnverified窗帘布料克重≥300g/㎡ 配合帘头褶皱比≥2.0倍（成品宽是窗宽2倍）才能兼顾垂坠感与隔音，褶皱越密集吸音效果越好82% similar
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