Unverified85% confidenceDecision RuleTime unknown
PP材质盒体承重上限通常约15kg可堆叠3-4层，无纺布/牛津布软体盒不建议堆叠承重，堆叠收纳场景优选PP硬壳且盒盖有凹凸嵌合防滑设计
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85%
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Long-term
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Unverified叠放使用时选PP硬壳箱且承重标注≥15kg，可叠3-4层不塌陷；布艺箱和折叠箱叠放超过2层易变形压瘪87% similarUnverified叠放式收纳盒承重需≥5kg且盒壁厚度≥2mm（PP材质）才能承受上层重量不塌陷，硬度不足的软盒叠放会挤压变形包型87% similarUnverified承重堆叠场景优先选PP材质且壁厚≥2mm的箱体，单箱静态承重需标注≥30kg才能安全叠3层以上；布艺箱无硬支撑结构，叠2层以上必塌陷变形87% similarUnverified需堆叠3层以上时，选带四角加强筋和承重卡槽的PP箱，单箱承重标注应≥15kg；软体箱堆两层以上顶层会塌陷压皱内容物86% similarUnverified承重叠加需选箱盖有凹凸卡槽互锁设计的（俗称子母扣），单纯平面堆叠3层以上易侧滑；标注可堆叠承重≥15kg/层的PP材质才适合叠放重物如书籍85% similar
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