Unverified85% confidenceDecision RuleTime unknown
PP聚丙烯材质在低温环境（≤5℃）下会变脆，冬季存放于阳台、地下室或车内的储物盒建议选PP共聚料或添加抗冲改性剂的材质，否则卡扣和箱角易开裂
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedPP（聚丙烯）材质收纳箱耐低温性差，冬季户外或车库环境下低于-5℃易变脆开裂，需存户外选PC或加纤维增强款89% similarUnverifiedPP（聚丙烯）材质盖低温脆化临界点约-5℃，冬季阳台/车库/冷库存放建议选PP+改性或PC材质，低温下不易开裂87% similarUnverifiedPP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PP85% 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83% similarUnverifiedPP聚丙烯材质耐温范围约-20℃至100℃，冬季无供暖低温环境比PVC材质更抗脆裂，是床底长期存储的常见优选材质82% similar
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