Unverified90% confidenceFactTime unknown
标准Paracord 550伞绳直径约4mm,最小破断强度550磅(约249kg),内含7-9股尼龙芯,每股可再分为2-3细纤维
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Unverified正规军规伞绳(Type III 550 Paracord)最小拉断力为250磅(约113kg),由7股内芯组成,每股内芯又由3根纤维绞合;仅承重50kg以下的‘伪550伞绳’内芯常少于7股或使用聚乙烯替代尼龙85% similarUnverified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78% similarUnverified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%77% similarUnverified尼龙一次性扎带的抗拉强度按宽度分级:3.6mm宽约18kg(8磅),4.8mm约22kg,7.6mm约54kg,大束线缆或户外固定应选≥4.8mm,桌面理线2.5-3.6mm足够77% 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76% similar
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