Unverified88% confidenceDecision RuleTime unknown
真正隔热靠'三层结构'：面料+中间隔热层（发泡/棉/银膜）+背涂层，单层遮光布只挡光不挡热，选购必须确认是复合多层而非印花遮光
1
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88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified全遮光布常见结构分为三类：单层染色（可洗、遮光约95-99%）、三层复合黑丝布（遮光100%、垂感好）、涂银涂层（遮光隔热最强但不可洗）78% similarUnverified涤纶遮光布靠涂层实现遮光的三层布中，中间黑丝层是遮光核心，选购要认准环保涂层，避免PVC涂层款（可能含塑化剂），优先无涂层的纯物理三层编织遮光布78% similarUnverified遮光原理分三类：涂层遮光（背面PU/银胶涂层，遮光率高但涂层易开裂脱落、不透气）、三层织造遮光（黑丝夹层，遮光率95%左右、可水洗、更耐用）、高密度厚织（无涂层，遮光率约70-85%但手感垂坠自然）。追求久用选三层织造，追求极致全黑选涂层77% similarUnverified黑丝布三层复合结构（布+黑纱+布）遮光率高但整体克重和厚度低于涂银/涂层遮光帘，隔音和隔热效果相对涂层款偏弱76% similarUnverified蜂巢帘的遮光率与隔热性由蜂窝层数、蜂窝规格和是否含铝膜三者共同决定，单看'全遮光'标签不足以判断，需确认布料是否含反光/铝箔内衬75% similar
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