Unverified90% confidenceDecision RuleTime unknown
冷冻室分隔板优先选PP（聚丙烯）材质，其脆化温度低于-20℃，能承受冷冻室-18℃至-24℃环境不开裂；避免普通PS（聚苯乙烯）或亚克力，这两种在-18℃以下易脆裂断裂
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90%
Confidence
Long-term
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UnverifiedPP聚丙烯材质耐低温可到-20℃仍不脆裂，适合冷冻室长期使用；PS聚苯乙烯材质在-5℃以下易脆断，只适合冷藏室93% 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90% similarUnverified冷冻用保鲜盒材质耐温范围需覆盖-18℃以下，优先选PP（聚丙烯）或Tritan材质，普通PS（聚苯乙烯）在-20℃冷冻库中会变脆开裂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冷藏门架长期处于2-8℃、冷冻区-18℃环境，普通PP塑料低温易脆裂，应选PET或ABS材质，冷冻区收纳需明确标注耐低温至-20℃87% similar
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