Superseded80% confidenceDecision RuleTime unknown
材质优先选PP（聚丙烯）或食品级硅胶，可耐100℃以上，能接触冷冻和微波场景；避免用回收料的劣质PS塑料夹，低温易脆裂高温易析出
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This knowledge claim has been superseded by newer content
辅食收纳盒优先选PP（聚丙烯）或食品级硅胶材质，避免PC材质（可能含双酚A），认准盒底三角回收标志内数字5（PP）或标注BPA-Free，PP耐温范围-20℃至120℃可微波Sources
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