Unverified80% confidenceDecision RuleTime unknown
材质选PP（聚丙烯）或PET食品级材质，避免PS（聚苯乙烯）材质，PS脆性大易开裂且不耐反复清洗，认准底部回收标志5号（PP）或1号（PET）
1
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80%
Confidence
Long-term
Relevance
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Unverified材质优先选PP5号（聚丙烯）且标注食品级，避免选用回收塑料或无标识透明桶；PET材质长期存放油脂类犬猫粮可能析出物质，PP耐油脂性能更好90% similarUnverified材质选PP（聚丙烯，回收标志5号）或食品级PET，避免PVC和无标识杂料塑料；PP耐温性好、无双酚A，长期储存干粮最安全88% similarUnverified材质优先选PP聚丙烯（PP5）且标注食品级/FDA认证，避免PVC或来路不明的再生塑料；PET透明桶美观但阻氧性弱于PP，长期储粮建议PP材质87% similarUnverified材质优选PET或PETG（透明硬质、耐酒精化妆品）和食品级硅胶（软管挤压式）；避免PVC材质接触化妆品可能析出增塑剂，认准瓶底回收标志1(PET)或5(PP)87% similarUnverified材质选PP（聚丙烯）或PET食品级塑料，认准桶底三角回收标志内数字为5（PP）或1（PET），避免PVC（数字3）和不明再生料，PP耐温性最好可装刚晒干的粮食86% similar
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