Unverified75% confidenceFactTime unknown
直径与强度关系：优质尼龙绳每毫米直径约提供100-150kg破断力，6mm尼龙绳约破断600-900kg；PP绳同直径强度约为尼龙的60-70%
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Unverified直径6mm的优质编织尼龙绳典型断裂强度约500-700kg，8mm约900-1200kg，PP绳同直径约低30-40%，选购时按此估算所需直径86% similarUnverified打包绳直径与承重相关：PP绳直径2mm约承重10-15kg，3-4mm约20-30kg，5mm以上可达40kg+；选购时直径比笼统的“加粗”标注更可靠83% similarUnverified尼龙扎带（一次性）拉伸强度按宽度分级：宽度2.5mm约8kg、宽度3.6mm约18kg、宽度4.8mm约22kg、宽度7.6mm约55kg，选型时留30%安全余量82% similarUnverified尼龙扎带的抗拉强度看宽度：2.5mm宽约8kg拉力，3.6mm宽约18kg拉力，4.8mm宽约22kg拉力，捆扎粗线束或户外承重选4.8mm以上82% similarUnverified常见伸缩牵引绳承重规格：3m款一般适用≤15kg，5m款细绳适用≤20kg，8m款适用≤50kg但绳锁承压是瓶颈；圆绳款承重通常低于扁带款81% similar
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