Unverified85% confidenceTradeoffTime unknown
涂银天幕的遮光性和抗UV优于涂黑胶，但涂黑胶（黑胶）在天幕内部形成不反光的暗环境，正午暴晒时黑胶天幕下体感温度比涂银低3-5度，露营遮阳优先选黑胶
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Unverified黑胶(内层涂黑胶)天幕的遮光率通常可达99%以上并阻隔大部分紫外线，是目前防晒天幕的主流高端涂层，比单纯银胶更抗晒且内部体感更凉87% similarUnverified黑胶涂层防晒效果强但吸热明显、伞下闷热，钛银胶反射紫外线且降温更好；追求伞下体感凉爽优先选钛银胶或L.R.C涂层，纯遮光可选黑胶85% similarUnverified抗UV涂层看UPF值，UPF50+可阻挡98%以上紫外线；黑胶（涂黑）比涂银遮光隔热更好，正午暴晒场景优先选黑胶天幕，可降低幕下温度3-5度84% similarUnverified遮阳布UPF值≥50+才能阻挡98%以上紫外线；同时优先选择遮光涂层（黑胶/银胶）款，普通防泼水面料在正午阳光下棚下温度仅比棚外低3-5℃，黑胶涂层可降8-10℃84% similarUnverified黑胶内涂层可有效阻隔紫外线与可见光，实测遮光率普遍较高，是其防晒性能的核心来源，而非伞布本身颜色84% similar
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