Unverified85% confidenceDecision RuleTime unknown

抗UV性能看UPF值：UPF50+可阻隔98%以上紫外线，适合夏季高原/海边强日照；普通遮阳银胶涂层UPF可达40+，PU黑胶涂层遮光更强但透气差、内部易闷热

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天幕侧围帷幕category

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Unverified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90% similar Unverified天幕遮阳性能看抗UV指数UPF值，UPF50+可阻挡98%紫外线；银胶涂层比普通涂层降温更明显但会增加重量并可能随使用脱落87% similar Unverified遮阳率优先看UPF值，UPF50+可阻挡98%紫外线；但高遮阳率银胶面料透气差，夏日午间围合后内部闷热，需搭配可开合通风口87% similar

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