Unverified82% confidenceCautionTime unknown
冷冻带汤汁或液体食物不建议用普通平口保鲜袋，应选带立体扩展底（站立袋）或双层夹链密封款，否则冷冻膨胀易撑破漏液
1
Sources
82%
Confidence
Long-term
Relevance
-
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Unverified液体类（汤、高汤、母乳）分装冷冻不要装满，需留15%膨胀空间，且应选盒口略敞或直壁盒，避免收口盒因冰体膨胀撑裂盖子83% similarUnverified不要用软质凝胶冰袋直接冷冻海鲜生鲜后重复接触食品，反复冻融的软袋易破膜漏胶污染，生鲜冷链应选硬壳可拆洗冰盒81% similarUnverified生肉/冷冻食材运输选带排气阀的双拉链密封袋（如卷边+滑扣双重密封），配合硬质冰盒防漏；普通单拉链袋在冰融化后极易渗漏血水污染其他食材81% similarUnverified冷冻厨余（如临时冻存的鱼虾内脏）不宜用全降解PLA/PBAT袋，低温下降解袋更易脆裂开裂，应选普通PE加厚袋81% similarUnverified没有明确低温标注的自封袋不建议直接冷冻，室温包装型自封袋（如收纳类）遇冷脆化开裂概率高80% similar
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