Unverified82% confidenceFactTime unknown
PP聚丙烯材质耐温范围约-20℃至100℃，低温脆性较好，适合冷环境；PET材质透明度更高但低温易脆裂，北方阳台储物慎用
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82%
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Long-term
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UnverifiedPP聚丙烯与PET材质耐温不同：PP可耐约-20℃至100℃，PET约0℃至60℃，冷冻或高温环境存放需看材质标注92% similarUnverifiedPP聚丙烯材质耐温范围约-20℃至100℃且耐化学腐蚀，是收纳盒最常见材质；PET透明度高但耐温低于70℃，不宜放靠近发热设备处92% 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PP86% similarUnverifiedPET材质透明度高但耐温仅约60度，PP材质耐温可达100度以上适合微波和沸水清洗，长期存油脂类食材优先选PP或玻璃避免塑化剂析出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84% similar
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