Unverified75% confidenceDecision RuleTime unknown
尼龙扎带宽度决定承重：宽度2.5mm约承重8kg，3.6mm约18kg，4.8mm约22kg，7.6mm约50kg以上，捆扎行李箱杆或重物选4.8mm起
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Unverified内径尺寸建议不超过40cm×30cm×30cm，装满A4书本后单箱重量控制在20kg以内，超过此体积单人搬运时腰背负荷过大85% similarUnverified行李绑带宽度≥5cm的抗拉承重明显优于2.5cm窄款，5cm宽带一般可承受30kg以上拉力，适合硬壳大箱托运防爆开83% similarUnverified廉航（如亚航、春秋）登机行李限重通常7kg，选空箱≤2.5kg的超轻款可留出4.5kg装物品空间；廉航同时限尺寸56×36×23cm，选18-20寸并注意外扩尺寸82% similarUnverified承重需求判断：厚度≥0.025mm(25微米)的PBAT袋可承重5-8kg适合商超购物；≤0.015mm的薄袋仅承重2-3kg，适合小件散装称重82% similarUnverified行李箱套的英寸尺寸对应箱体外框而非常规容量标注，实际购买应按箱体外部长宽高选择：20寸套适配外高约54-56cm，28寸适配约74-76cm，超出2cm即导致过紧变形或过松滑脱82% similar
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