Unverified78% confidenceFactTime unknown
瓦楞纸箱的B楞（约2.5-3mm）偏薄适合缓冲和轻物，A楞（约4.5-5mm）更厚承重更强；五层箱的AB组合楞兼顾缓冲与承重，是搬家重物箱的常见规格
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78%
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Unverified五层AB瓦楞箱典型箱壁总厚度约6-7mm，三层单瓦楞约3mm；用手指按压箱壁，能明显感到硬挺回弹的通常为合格厚度，一压即扁多为薄纸偷工80% similarUnverified普通轻量纸箱选择宽度4.5-4.8cm的BOPP胶带即可；重物或多层堆叠打包应选6cm宽度以增加接触面积和承重79% similarUnverified装书籍等重物的搬家箱纸板厚度应≥5mm（五层瓦楞/AB楞），三层单瓦楞（约3mm）装书易塌底79% similarUnverified承重放锅具/罐头/书籍等重物时应选ABS+金属支撑杆结构且板厚≥3mm，纯PP塑料款超过5kg会中部下弯变形79% similarUnverified五层瓦楞纸箱箱壁约7mm，结构为面纸-瓦楞-面纸-瓦楞-面纸，抗压和缓冲性能明显优于三层箱，适合重物和长期码垛存储78% similar
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