Unverified85% confidenceFactTime unknown
PP（聚丙烯）材质耐低温性优于PS/PET，冷库或北方无暖气仓库存放不易脆裂，可承受约-20℃至100℃；PS材质脆、易开裂不适合承重堆叠
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85%
Confidence
Long-term
Relevance
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UnverifiedPP材质（聚丙烯）耐低温性差，冬季阳台/车库低于5度易脆裂，北方无暖气储物间或户外存放应选PP+共聚改性或PET材质，避免用普通再生料PP88% similarUnverifiedPP材质的耐低温性差异大：普通PP在-10℃以下会冷脆，共聚PP（PP-C）可耐-20℃低温，阳台、车库、北方无暖气储物间应选共聚PP款87% similarUnverifiedPP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87% similarUnverifiedPP材质收纳盒耐温范围-20℃至100℃，可用于冰箱冷冻区外挂；PS（透明脆性塑料）低温易脆裂，冷冻环境或磕碰后易断，长期放冰箱内选PP或ABS材质86% 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85% similar
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