Unverified85% confidenceCautionTime unknown
冷冻室使用不要选普通PS或PET箱，低温下变脆易开裂，冷冻储物需选标注耐低温-20℃以下的PP或PE材质
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85%
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Long-term
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Unverified冷冻室专用收纳盒必须选择PP材质且标注耐温范围-20℃以下，普通PET材质在-18℃冷冻环境下会变脆开裂89% 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89% similarUnverified冷冻室使用需选PP材质（聚丙烯）收纳盒，其耐低温可达-20℃不脆裂；避免选PS（聚苯乙烯）材质，低温下易开裂断裂88% similarUnverified冷冻室或低温环境不要用普通PP箱，PP在0度以下会变脆易裂，低温需选PP共聚料（PP-C）或PE材质的耐寒箱88% 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86% similar
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