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防水涂层耐久性取决于DWR拒水处理与压胶工艺，全压胶(fully taped)接缝比半压胶更耐久；DWR会随洗涤磨损衰减，需定期用防水喷雾或热处理恢复

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Unverified面料采用再生防撕裂尼龙+DWR涂层，具备轻度防泼水能力，但DWR会随洗涤次数衰减，需定期用低温烘干机恢复或重新喷涂防水剂。90% similar Unverified防水涂层（DWR）经反复洗涤后会逐渐失效，需定期使用专用拒水喷雾补充处理，以维持防水性能——这是所有DWR涂层产品的共同特性。90% similar Unverified防水涂层持久性关键在于DWR(耐久拨水)处理会随洗涤和摩擦衰减，含氟C6/C8涂层比无氟环保涂层更耐久，但无氟款更符合环保趋势，需定期用专用拨水剂补喷90% similar Unverified核心优势在于保护DWR涂层不受损，延长面料防水性能寿命；但其本身不具备恢复已失效DWR的能力，若防水性已明显下降，需配合防水复效剂（如Grangers Reproofing系列）使用，单独使用本品无法修复疏水功能。89% similar

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