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银胶涂层可实现约90%遮光，但长期折叠收纳后涂层易出现细微裂纹，遮光效果会随使用次数逐渐下降

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Unverified银胶涂层遮光帘长期朝阳面使用，银胶面必须朝外（朝光源），否则银胶受紫外线直射易老化脱落、发黄开裂85% similar Unverified涂层遮光（银胶/黑丝涂层）比高密度织造遮光更彻底，但涂层长期会开裂脱落且不透气；三层高密度提花布遮光率约90%-95%但更耐用透气，追求99%全黑选涂层，追求耐用选高密度织造82% similar Unverified银胶/涂层遮光帘遮光率高但不透气、不能机洗（涂层易开裂脱落），只能手洗或擦拭；纱线本染的三层编织遮光布可机洗但遮光率略低，拆洗便利性与遮光率存在矛盾82% similar Unverified遮光帐篷的银胶涂层需选双银胶（内外双层镀银）+黑胶复合结构才能实现95%以上遮光率；单纯银胶只能遮光约80%，正午帐内仍会明显发亮81% similar Unverified涂层遮光布（背面涂银/涂黑）遮光率高但不透气、久用易开裂脱层，无涂层的高密度多层编织遮光布（如三层丝布）遮光率可达95%以上且能水洗，长期使用更耐久81% similar

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