Unverified83% confidenceTradeoffTime unknown
遮光率与隔音不完全绑定：银离子涂层遮光布遮光可达99%但涂层易脱落且几乎不隔音；隔音靠的是厚度和多层结构，选购时应分别确认两项指标
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83%
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Long-term
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Unverified遮光率与隔音不等价：全遮光窗帘（遮光率≥99%）靠涂银或黑丝布层实现，这类涂层布克重低、不隔音；追求隔音应看克重与层数，追求遮光应看织造密度与遮光涂层，两者需分别确认93% similarUnverified遮光率与隔音不完全正相关：全遮光（遮光率≥99%）的银涂层/黑丝布未必隔音，其黑科技涂层重在遮光；真正隔音靠中间隔音棉层。选购需分别确认遮光率和克重两个独立参数91% similarUnverified遮光率与隔音不成正比：遮光靠涂层或高密织造，隔音靠质量与多层结构，市面很多'全遮光'布只遮光不隔音，需分别确认两项指标89% similarUnverified遮光率与隔音效果不等价：银胶布遮光99%但克重可能只有200g几乎不隔音；真正隔音靠厚重面料和多层褶皱。想同时满足两者应选高克重黑丝绒布而非追求涂层88% similarUnverified隔音与遮光常由同一涂层实现，全遮光（遮光率99%+）窗帘多带黑丝或三层织造，通常隔音也更好；但纯银涂层遮光布虽遮光好，涂层薄硬、克重低，隔音反而弱于绒面吸音布87% similar
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