Unverified85% confidenceDecision RuleTime unknown
看重实测防晒的选原纱型(把防晒剂融入纤维),洗涤50次后仍保持UPF50+;后整理型(表面涂层)洗涤20-30次后防晒力显著衰减
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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92% similarUnverified速干与防晒后整理的耐久性矛盾:多数防晒涂层(如钛白粉整理)在30-50次水洗后衰减,宣称UPF50+的洗后可能降到30,长期用应选原纱防晒(纤维本身抗UV)而非后整理款92% similarUnverified防晒原理分'原纱型'和'涂层型':原纱型将防晒剂融入纤维,耐水洗50次以上不衰减;涂层型洗涤20-30次后防晒力明显下降,认准原纱型更持久92% similarUnverified防晒口罩水洗后UPF会衰减,选择标注'50次水洗后UPF仍≥40'或采用原纱防晒(如凉感锦纶+氨纶物理编织遮挡)而非后整理涂层的产品,涂层型洗几次防晒力就明显下降91% similarUnverified防晒口罩的UPF防护会随洗涤次数下降,选可机洗且标注洗涤后仍保持UPF50+(一般30-50次内有效)的产品,普通防晒面料洗涤20次后防护力明显衰减91% similar
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