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真正防雨需看耐水压（≥5000mm）且带压胶接缝，标注'防泼水/DWR涂层'仅能应对短时小雨，涂层洗涤10-20次后防水性会明显衰减需重新打理

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Unverified防水功能看耐水压参数：日常防小雨选5000mm以上，通勤足够；标注DWR（耐久拒水涂层）的产品洗涤10-20次后防水性会衰减，需重新喷涂保养91% similar Unverified防水面料看涂层与拒水指数：普通尼龙+DWR拒水涂层可应对小雨（约1000-3000mm水压），TPU复合面料或带防雨罩才能应对暴雨；仅靠拉链无止水处理的包在大雨中接缝会渗水91% similar Unverified面料看防水应认准杜邦特氟龙涂层或500D以上尼龙+DWR处理，并具备YKK止水拉链；普通防泼溅面料只能应对小雨，暴雨仍需外加防雨罩87% similar

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