Unverified85% confidenceDecision RuleTime unknown
只标注UPF数值但无水洗次数说明的防晒衣要警惕:涂层型防晒衣(后整理喷涂二氧化钛)洗涤20-30次后防晒力显著衰减,纤维型(原纱添加防晒剂)耐水洗性更好,儿童衣物洗涤频繁应优先选纤维型
1
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85%
Confidence
Long-term
Relevance
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Unverified涤纶+氨纶(锦纶)高密度织物的物理防晒最耐久,水洗数十次UPF不衰减;靠涂层或后整理助剂实现防晒的产品洗5-10次后防护力大幅下降,儿童衣物洗涤频繁应避开91% similarUnverified物理防晒(高密度织物结构)比化学涂层防晒更耐洗,涂层型防晒衣洗涤20-30次后UPF值会明显衰减,儿童衣物洗涤频繁应优先选原纱型/物理防晒90% similarUnverified化学涂层防晒(后整理喷涂)水洗20-30次后UPF会明显衰减,原纱防晒(纤维本身含防紫外线成分如钛白粉)耐洗性更好,婴幼儿高频换洗应优先选原纱型90% 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87% similarUnverified涂层类防晒口罩水洗后UPF值会逐渐衰减,一般30-50次水洗后防晒力明显下降;纤维本征型(如高密涤纶、原液着色纱)耐洗性好,注重耐用选纤维型86% similar
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