Unverified75% confidenceTradeoffTime unknown
DWR拒水涂层随洗涤次数递减，一般30-50次洗涤后需重新喷补，非永久，介意保养麻烦者慎选
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75%
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Long-term
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UnverifiedDWR拒水处理在多次洗涤后会逐渐失效，若依赖拒水性能应注意定期重新处理或按护理说明洗涤92% similarUnverifiedDWR防泼水涂层会随洗涤次数递减，一般20-30次水洗后基本失效，需要长期防水的应选带持久防泼水后整理或直接选防水面料款，而非依赖初始涂层91% similarUnverifiedDWR拨水涂层会随洗涤和摩擦失效，一般30-40次洗涤后拨水性明显下降；需用专用免洗喷剂或低温烘干激活恢复，不能用普通洗衣液反复机洗90% similarUnverifiedDWR 拒水涂层经多次机洗后防泼水效果会明显下降，若习惯频繁机洗书包，这款涂层耐久性难以长期维持。90% similarUnverifiedDWR防泼水涂层经多次洗涤后会衰减，需定期用低温烘干或专用复活剂恢复，不适合期待免维护防水性能的用户。89% similar
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