Unverified85% confidenceDecision RuleTime unknown
单层气泡膜克重通常在30-45g/㎡，双层复合气泡膜可达60-80g/㎡，双层适合重量5kg以上或运输距离长、转运次数多的场景
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Long-term
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Unverified气泡膜克重（g/㎡）决定实际厚度和缓冲效果，普通经济型约40-50g/㎡，加厚型约60-80g/㎡，同样标称尺寸下克重高的更防压，选购时优先看克重而非仅看直径76% similarUnverifiedP棉（PrimaLoft）克重120-133g/㎡（约相当于100g Thinsulate）适合0至10度日常，200g/㎡以上才能应对零下环境，选购时看填充克重比看厚度更准73% similarUnverified承重看单层标称还是整体标称：整体承重50kg分5层实际单层仅10kg，放洗衣液桶（约5kg/个）时优先看单层承重是否≥8kg71% similarUnverified单份净重通常在25-50g之间，冲泡后加水复水膨胀至约150-250g，购买时应看干粉净重而非成品克重以横向比较蛋白质密度71% similarUnverified螺口气罐容量规格国际通用为100g/230g/450g三档，230g罐重约360-380g（含罐体），450g罐重约650g，罐体自重约占总重40%左右68% similar
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