Unverified80% confidenceDecision RuleTime unknown
瓦楞纸箱克重（如K=K纸/A=A纸）比层数更影响承重，同为三层，300g以上面纸的箱子比200g普通箱承重高出一倍，购买时应问明纸质等级而非只看层数
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80%
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Long-term
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Unverified选购抽纸看单张克重而非层数：优质抽纸单张克重≥14g（原生木浆），克重低于12g的3层纸实际比高克重2层纸更薄更易破81% similarUnverified纸箱克重看瓦楞纸的每平米克重，普通搬家用200-250g克重足够，300g以上属加厚级用于反复使用或长途物流78% similarUnverified层数越多越厚实但同价下总克重不变，等于每张用纸更少更快耗完；追求耐用不如直接看每包总克重（如8包×130抽约需≥110g/包）76% similarUnverified普通纸箱封箱选宽度4.5-4.8cm（俗称60码宽胶带）+ 胶层厚度≥22微米，单层封口可承重20kg以内；重货或大箱需用宽6cm以上并采用'工'字封法75% similarUnverified别只看整箱卷数，需换算总克重：标'32卷'但单卷仅80g的整箱可能不如'27卷'单卷140g的实际纸量多75% similar
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