Unverified88% confidenceDecision RuleTime unknown
追求完全遮光（卧室/影音房）选可见光透过率VLT≤1%的全遮光铝箔膜，透光率5%以下的膜仍会在白天透出明显光晕
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified遮光率与透气性/采光是矛盾的：全遮光布同时会阻挡自然光和部分通风，客厅建议选70-85%半遮光保留柔和光线，或采用遮光帘+纱帘双层方案分场景使用81% similarUnverified半遮光（透光度30%-50%）适合遮挡但保留通风采光的场景如阳台储物区；全遮光（透光度＜5%）适合需完全隐藏的电器/杂物柜81% similarUnverified遮光/透光需权衡：透光率越低越遮光越隐私，但白天室内越暗需常年开灯；书房、客厅等需要采光的空间选透光率30-50%的中度膜，卧室才用低透光膜81% similarUnverified真正的全遮光需遮光率≥99.9%并配合黑色遮光涂层，普通深色PVC膜仅能达到85-95%遮光，白天仍有明显透光，追求午睡/暗房效果必须选带黑色内层的三层结构膜81% similarUnverified半遮光与遮光的权衡：全遮光换来的是白天完全依赖灯光的封闭感，客厅、书房宜选半遮光（遮光率60-80%）保留柔和自然光，仅卧室影音室需全遮光80% similar
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