Unverified80% confidenceTradeoffTime unknown
高密聚酯面料提供基础防水与UPF50+防晒,但聚酯涂层伞面在强烈阳光长期使用后涂层易老化脱落,防晒性能会随使用时间下降
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80%
Confidence
Long-term
Relevance
-
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Unverified长期户外暴晒使用需选面料防晒UPF50+且经PU/银胶双面涂层,纯聚酯无涂层面料暴晒2-3季后易脆化开裂、防水性能大幅衰减90% similarUnverifiedUPF50+遮阳能力适合夏季户外使用,但涤纶材质在长时间暴晒和反复淋雨后涂层会逐渐老化,需注意晾干存放87% similarUnverifiedUPF50+防晒为物理织物防晒,不依赖涂层,多次水洗后防晒性能衰减较小86% similarUnverified聚酯材质耐紫外线和耐湿性优于尼龙,但长期露天使用仍会因日晒导致强度下降,建议定期检查带面是否起毛或褪色严重84% similarUnverifiedUPF50+防晒依赖织物物理遮挡实现,不依赖涂层,防晒效果不会因水洗次数增加而明显衰减84% similar
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