[KongchangAI]
Unverified85% confidenceFactTime unknown

冰包保冷时长核心取决于保温层厚度而非材质名称,普通铝箔EPE珍珠棉夹层保冷4-6小时,加厚5mm以上珍珠棉配合足量冰袋可达8-12小时,宣称24小时以上的多为VIP真空绝热板结构

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