Unverified75% confidenceFactTime unknown
化纤类防晒面料的UPF不因水洗降低，可长期使用；但含棉混纺或喷涂防晒剂的口罩水洗20-30次后防护力明显衰减，看清材质标注
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified防晒效果会随洗涤和拉伸衰减：涂层型面罩水洗20-30次后UPF明显下降，追求耐用应选纤维本身致密（非涂层）的原纱型防晒面料94% similarUnverified遮阳篷的UPF防护会随水洗次数和布料老化下降，涂层类防晒布洗涤20-30次后防护力明显衰减，而纤维本身高密度织造的面料防晒更耐久93% 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92% 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92% 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92% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/373713API
curl https://kongchang.com/api/v1/knowledge/claims/373713MCP
get_claim(id=373713)