Unverified85% confidenceFactTime unknown
保鲜袋按厚度分：普通PE袋约0.01mm仅短期冷藏，加厚冷冻袋0.02-0.03mm可耐-18℃冷冻，带双封口拉链的袋子可反复使用且密封优于普通袋
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified冷冻保存优先选加厚保鲜袋（厚度≥0.02mm/双层）并选带密封拉链的自封袋，普通PE平口袋在-18℃冷冻会变脆易破90% similarUnverified冷冻专用袋厚度建议≥0.06mm（约60微米），太薄的袋在冷冻后变脆易破且防串味差；普通冷藏袋0.03-0.04mm即可90% similarUnverified冷冻专用袋厚度需≥0.06mm（60微米），普通保鲜袋约0.02mm在-18℃会脆化开裂，长期冷冻应选标注'冷冻专用'且厚度≥0.06mm的PE材质90% similarUnverified冷冻用保鲜袋应选择厚度≥0.03mm（30微米）的加厚款，耐温至-40℃仍不脆裂；薄款袋子在冷冻后易破裂漏水89% similarUnverified户外/旅行分装建议选择PE材质厚度≥0.08mm（80微米）的袋子，普通超市保鲜袋约0.01-0.03mm，装液体或冷冻反复挤压极易破漏88% similar
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