Unverified90% confidenceTradeoffTime unknown
黑胶涂层遮光隔热效果突出，但相比银胶或无胶面料更重且收纳体积更大，是遮阳性能与便携性之间的取舍
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90%
Confidence
Long-term
Relevance
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Unverified银胶涂层反射热但反光刺眼且不耐紫外线老化易脱落；黑胶涂层遮光率高、降温效果好且更耐用，追求防晒降温优先黑胶而非银胶90% similarUnverified遮光原理分两类：银胶/黑胶涂层布靠背面涂层遮光（涂层可能开裂脱落，怕高温），高密度提花/黑丝布靠织物本身密度遮光（更耐用、可水洗但价格高），追求长期耐用选后者87% similarUnverified涤棉材质透气性优于银胶/黑胶涂层款，但遮光率和防水性不如涂层款，适合通风需求优先于极致遮光的场景86% similarUnverified遮光率越高的涂层面料（如银胶、黑丝涂层）通常越不透气且越厚重，夏季挂在西晒房易闷热且有涂层味；追求全遮光又怕闷可选高支高密机织全遮光（三层黑纱），透气性优于涂层款但价格更高86% similarUnverified遮光涂层布（银胶/黑丝涂层）遮光强但透气性差、易有塑料感和折痕，且涂层可能随洗涤脱落；追求质感和耐用度优先选高密度提花全遮光布而非涂层布85% similar
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