Unverified75% confidenceFactTime unknown
PP（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
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedPP（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90% similarUnverifiedPP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89% 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PP87% similarUnverifiedPP塑料工具盒在-5℃以下低温环境会明显脆化，寒冷地区户外作业或北方冬季车载存放应选ABS或PC材质，PC材质低温冲击韧性可达PP的3倍以上85% similarUnverifiedPP（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83% similar
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