Unverified78% confidenceDecision RuleTime unknown
防水角（接触角）≥110°才算合格防污，≥150°为超疏水（荷叶效应）。购买时可看是否标注接触角度数，无标注的多为普通DWR处理，防护力有限
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified宣称'防水'的围脖需分辨等级：多数只是DWR拨水涂层，遇小雨可短时抵御但会渗透，仅少数复合防水膜款可持续防水，日常无需为高防水付费82% similarUnverified判断防水效果看接触角：优质车蜡打完后水珠接触角应≥90°(呈明显水滴滚动)，接触角＜70°说明蜡层已失效或产品品质不足80% similarUnverified若主要使用场景是持续中雨或暴雨中长时间暴露，应优先确认DWR维护习惯；该款防水性能依赖DWR涂层状态，面料本身的防水膜并非对标专业高防水等级（如20000mm+）的极端防水产品。79% similarUnverified防泼水看DWR涂层等级，标注3级（洒水后表面成珠、可轻松抖落）应对城市小雨足够；真正防雨需要面料防水指数≥10000mm水柱且带压胶，普通城市户外裤基本不具备78% similarUnverified疏水角是判断防污自洁性的核心参数，接触角≥100°为合格，≥110°为优秀，能实现水滴快速滑落带走灰尘；低于90°的产品自洁效果差，容易积水痕78% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/89213API
curl https://kongchang.com/api/v1/knowledge/claims/89213MCP
get_claim(id=89213)