Unverified88% confidenceDecision RuleTime unknown
长期冷冻（-18℃以下）应选用PE材质中的LDPE（低密度聚乙烯）或专用食品级硅胶，PET材质在低温下易脆裂开裂导致漏液
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified冷冻室收纳盒必须选PP或食品级共聚聚丙烯材质，PET和普通亚克力在-18℃以下易脆裂开裂；PS（聚苯乙烯）绝对禁止用于冷冻80% similarUnverified母乳存储盒/格需选耐低温至-20℃的食品级硅胶或PP材质，普通PET塑料在冷冻室易脆裂开裂75% similarUnverified冷冻/冷藏物品贴标选PET或专用低温标签胶带，普通和纸胶带在冷凝水环境下粘胶失效脱落；油污厨房区域标注选PET材质，可湿布擦拭不破损74% similarUnverified食品接触材质优先PP（聚丙烯，耐温-20℃~120℃）或PET，认准GB 4806.7食品级标识；PS材质（聚苯乙烯）低温易脆裂不适合冷冻室74% similarUnverified材质选PP（聚丙烯）或PET优于PS（聚苯乙烯），PP耐温范围-20℃至120℃可冷冻可微波，PS遇低温易脆裂开裂，认准三角回收标志内数字5(PP)或1(PET)73% similar
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