Unverified82% confidenceCautionTime unknown

带DWR拒水涂层的耐磨裤经多次洗涤和摩擦后拒水性会衰减，需定期用专用免洗喷剂补涂恢复，不能视为永久防水

1

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82%

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Long-term

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耐磨裤category

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Unverified防水裤的防水失效多来自DWR（耐久拒水涂层）衰减而非防水膜损坏，出现表面'湿透吸水'现象时可用洗涤后低温烘干或补喷DWR恢复，而非直接更换92% similar Unverified防泼水（DWR涂层）不等于防水，洗涤后逐渐失效，一般30-50次洗涤后需重新喷涂免洗防泼水剂恢复；把DWR当防水裤买用于雨天会失望91% similar Unverified防水面层依赖DWR拒水涂层，使用后期会失效导致面料'湿透'（实为吸水而非渗漏），需定期用专用清洗剂+热风恢复拒水性，不能用普通洗衣液91% similar

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