Unverified90% confidenceDecision RuleTime unknown
冷冻用保鲜袋优先选HDPE(高密度聚乙烯)或加厚LDPE，厚度≥0.03mm(30微米)，可耐-18℃至-40℃低温不脆裂；普通薄款袋冷冻后易撕破漏汁
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90%
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Long-term
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Unverified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85% 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83% 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83% similarUnverified冷冻保鲜选PE材质且厚度≥0.02mm（20微米）的袋子，过薄的抽取式保鲜膜袋（约0.01mm）在-18℃冷冻室易脆裂破损，导致冻烧和串味82% similarUnverified冷冻分装选择厚度≥90微米（0.09mm）的PE材质袋，可耐-20℃低温不脆裂；普通冷藏分装60微米即可81% similar
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