Unverified75% confidenceFactTime unknown
标注'凉感/接触凉感'面料的防晒帽依赖聚酯纤维+氨纶混纺并有涼感涂层，但涂层会随洗涤衰减，追求持久防晒应以织造密度和UPF数值为准而非凉感宣传
1
Sources
75%
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87% similarUnverified涂层型防晒袖套（表面有涂层增加UPF）透气性差、洗几次涂层脱落防晒失效；原纱型（纤维本身防紫外，如添加二氧化钛的锦纶）更耐洗持久，认准原纱防晒标识86% similarUnverified遮阳篷面料的防晒性能主要来自紧密织造与涂层，纯棉/纱布类面料透气好但UPF往往不足，涤纶加涂层款UPF更高，机洗后涂层会逐渐衰减需注意保养86% similarUnverified防晒帽的UPF防护会随反复洗涤、拉伸和汗渍侵蚀而衰减，物理遮挡型（宽檐+密织）比化学涂层型耐用性更好，选购追求持久防护应看织物密度而非仅涂层85% similarUnverifiedUPF防晒性能与透气性存在矛盾：致密涂层/高密织物防晒强但闷热，蜂窝网眼款透气但需依赖织物本身UPF而非涂层，选购时优先看原纱防晒而非后整理涂层（涂层水洗后易衰减）85% similar
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