Unverified80% confidenceFactTime unknown
冰丝/涤纶速干材质透气凉爽但防晒依赖后整理涂层，洗涤20-30次后涂层衰减UPF下降；原纱型防晒（纤维本身抗UV）耐水洗更持久，认准'原纱防晒'标识
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified冰丝/凉感面料的防晒依赖涂层或密度，多次洗涤后UPF会衰减；标注'织物结构本身防晒（高密度锦纶+氨纶）'的产品耐洗性优于'涂层防晒'，认准非涂层工艺90% similarUnverified防晒效果依赖织物密度和后整理涂层，涂层型口罩水洗30次后UPF会明显衰减，选择原纱防晒(如冰氧吧/凉感纱)的产品耐洗性更持久89% similarUnverified涤纶/尼龙原纱型防晒(如凉感纤维织入)水洗50次后防晒不衰减；后整理涂层型防晒衣水洗20-30次后UPF明显下降，长期使用选原纱型89% similarUnverified涂层型（后整理）防晒衣洗涤20-30次后防晒力显著衰减；原纱型（纤维本身抗紫外）水洗后防护稳定，长期反复穿洗应选原纱型并查看是否标注『防紫外线整理方式：原液着色/纤维改性』88% similarUnverified涂层型防晒（在面料表面涂UV隔离剂）洗涤20次后防护力显著衰减，原纱型（纤维内添加防晒母粒）耐水洗更持久88% similar
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