Unverified85% confidenceDecision RuleTime unknown
锦纶（尼龙）本身分子结构就能阻挡紫外线，即使无涂层防晒性也优于纯棉；纯棉未染色织物UPF通常仅15-20，防晒披肩不建议选纯棉材质
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85%
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Long-term
Relevance
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Unverified纯棉/纯人棉材质不适合作防晒衣：棉纤维本身UPF仅5-10，湿水后紫外线透过率剧增且不速干，防晒衣应选锦纶(尼龙)或涤纶为主的合成纤维，其分子结构本身对UVA有更强阻隔92% similarUnverified纯棉、真丝等天然面料看似高级但未做涂层处理时防晒率很低，遮阳伞应选涤纶/尼龙加防晒涂层的化纤面料，不要因材质名字高级而误判防晒力85% similarUnverified涤纶(聚酯纤维)本身防晒性优于棉、麻，且吸湿快干；纯棉袖套虽亲肤但湿水后防晒力和凉感均下降，长时间户外不推荐纯棉83% similarUnverified纯棉材质贴近皮肤舒适，但不具备速干或UV防护功能，追求户外防晒或运动场景的用户不适合83% similarUnverified不建议选纯棉材质防晒衣，棉纤维本身UPF值低（约UPF5-10）、吸汗后紧贴皮肤更闷，且水洗后易变形缩水，孕妇防晒衣应选锦纶/涤纶混纺83% similar
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