Unverified88% confidenceDecision RuleTime unknown
真正有吸音效果的窗帘克重需≥400g/㎡，三层复合结构（面料+吸音棉/绒+背衬）比单层绒布降噪效果高出3-8分贝
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88%
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Long-term
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Unverified真正有隔音效果的窗帘克重需≥350g/㎡，多采用三层结构（正面绒布+中间无纺布/记忆棉隔音层+背面遮光涂层），单层加厚绒布的隔音效果被夸大95% similarUnverified隔音需求高时，窗帘克重应≥300g/㎡并选用绒类或加厚植绒面料，配合帘头褶皱倍数2倍以上，单薄遮光布几乎无隔音效果（仅降噪3-5分贝）92% similarUnverified追求隔音效果时布料克重需≥350g/㎡且带植绒或多层结构，同时窗帘宽度应做到窗户宽度的2倍以上形成褶皱，隔音才有实际效果，单纯薄遮光布几乎不隔音91% 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91% similarUnverified追求隔音应选克重≥300g/㎡、面料厚重且带绒毛结构（如植绒、雪尼尔）的窗帘，并做2-2.5倍褶皱打褶，褶皱越密隔音吸声越好；单薄遮光布几乎无隔音作用90% similar
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