Unverified90% confidenceFactTime unknown

PP材质废品桶耐酸碱耐油污、可耐70℃热水冲洗，比再生塑料/PE款更耐用不易脆裂，认准桶底5号三角标识

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90%

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Long-term

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UnverifiedPP（聚丙烯）材质耐低温可放冰箱、耐弱酸碱可水洗，PS（聚苯乙烯）虽透明度高但脆、受冷易裂，收纳盒优先选PP，看盒底回收标志为5号即PP80% similar Unverified食品级PP材质桶体应标注PP5标识且透光可观察存量，避免使用来路不明的再生塑料桶，长期储存干货可能析出异味78% similar UnverifiedPP材质坐便圈需选无异味、可耐70℃以上热水消毒的食品级PP，PVC或劣质塑料在温热潮湿环境下易释放异味和塑化剂77% similar

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