Unverified80% confidenceDecision RuleTime unknown
PP树脂堆叠收纳柜安全叠加层数上限通常为4-5层，超过5层需检查柜体是否带有卡扣互锁结构，无互锁结构叠3层以上易在抽拉时整体晃动
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80%
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Long-term
Relevance
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Unverified需长期叠放堆叠使用时，选择盒盖带凹槽卡扣互锁结构的款式，承重更稳；PP材质壁厚≥1.5mm可支撑3层以上堆叠不变形，薄壁PET盒堆叠2层以上易塌陷84% similarUnverified支撑强度看盒盖是否可叠放：600D牛津布+PP硬底板+四角PE支撑条的结构可承重堆叠3层，纯无纺布款只能单层不可叠80% similarUnverifiedPP塑料抽屉柜承重通常单层≤8kg，堆叠不宜超过4层（约1.2米高）以防重心不稳倾倒；需放重物或叠高应选钢架结构而非纯塑料卡扣式79% 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78% similarUnverified反复使用的收纳建议选PP材质折叠箱，箱体厚度≥3mm且带卡扣锁边的折叠后不易变形；≤2mm的薄壁折叠箱堆叠2层以上会侧壁鼓胀77% similar
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