Unverified88% confidenceDecision RuleTime unknown
材质选PP（聚丙烯）优先，耐温范围-20℃到120℃，可直接从冷冻室取出且能微波/沸水消毒；PS（聚苯乙烯）和普通PET低温易脆裂，不适合冷冻湿粮存储
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88%
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Long-term
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Unverified冷冻分装（如母乳、高汤、辅食）优先选PP材质，其耐温范围-20℃至120℃可覆盖冷冻到微波，PET材质仅耐70℃不可微波不可冷冻使用88% similarUnverified冷冻使用需选PP（聚丙烯）或PET材质，耐低温至-20℃不脆裂；普通PS（聚苯乙烯）盒在冷冻环境下易开裂，仅适合冷藏区短期存放87% similarUnverified冰箱内和冷冻层收纳选耐低温不脆化的PP或PET材质并确认耐冷温度标注（一般-20℃），普通PVC和廉价塑料低温下会变脆开裂87% similarUnverified食品级PP材质耐温范围通常为-20度至120度，可微波和冷冻使用；PET材质约-40度至70度，不可用于微波加热87% similarUnverifiedPP聚丙烯与PET材质耐温不同：PP可耐约-20℃至100℃，PET约0℃至60℃，冷冻或高温环境存放需看材质标注86% similar
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