Unverified80% confidenceFactTime unknown
防污涂层非永久，普通洗涤3-5次后疏水性能明显下降，选购时优先看是否标注C6/C0无氟环保长效涂层，其耐久性优于早期临时喷涂处理
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified氟素防污涂层每次干洗后防污性能会衰减，通常干洗5-8次后需重新做防护处理，选购时优先选支持商家补涂服务或家用防污喷雾可补的款式87% similarUnverified氟素防污涂层会随洗涤次数衰减，一般30-50次水洗后疏水性明显下降，选购时认准标注"耐水洗XX次"的产品，日常穿着建议3年内更换以保持防污效果86% similarUnverified涂层型防污（后整理喷涂）耐洗性差，通常洗涤20-30次后拒水效果明显衰减；纤维级防污（如聚酯纤维本身疏水或原液着色）耐洗50次以上更持久，看吊牌是否标注'耐水洗XX次'判断工艺档次84% similarUnverified防污涂层会随洗涤次数增加逐渐衰减，购买前应确认是否支持喷涂复原或可接受涂层寿命有限这一前提82% similarUnverified陈旧干涸污渍不建议只用免洗去污笔，免洗款依赖挥发溶剂，对已固化的色素渗透力弱，应选需静置5-10分钟再水洗的预处理型81% similar
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