Unverified82% confidenceTradeoffTime unknown
大力马(UHMWPE)绳强度是同直径尼龙绳的3-5倍且几乎不吸水，但表面光滑打结易松，需用双套结或八字结固定；尼龙绳弹性好抗冲击但吸水后延展变松
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82%
Confidence
Long-term
Relevance
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Unverified不适合需要频繁打结固定的场景，UHMWPE材质表面极其光滑，普通绳结容易滑脱松开，必须使用特定绳结（如双渔人结、多圈绕结）或搭配绳扣/线锁使用83% similarUnverified抽绳优选扁织带（宽约1cm）而非圆形绳，圆绳在洗涤后易缩进腰道内且打结后凸起明显影响穿脱82% similarUnverified绳径与手感需平衡：绳径8-10mm湿手抓握牢固且不易勒伤，低于6mm的细绳受力时会割手且难以在水中抓取，不适合救援用途81% similarUnverified腰部选用宽幅（≥3.5cm）罗纹松紧带+双层抽绳，比薄款单层松紧带更不易翻卷、久坐不勒；纯抽绳无内置松紧的容易滑落80% similarUnverified抽绳材质选圆形涤纶绳或缎带，宽度3-5mm的圆绳抗拉扯且不易断；扁平缎带更美观但反复抽拉易磨损，高频使用场景优先圆绳80% similar
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