Superseded75% confidenceDecision RuleTime unknown
自热米饭的餐盒/加热袋应确认材质为食品级PP（聚丙烯，耐温≥100℃），避免劣质PS或未标注耐热的塑料，发热包加热时餐盒底部温度极高，材质不过关有析出风险
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This knowledge claim has been superseded by newer content
自热米饭发热包遇水后温度可达140℃以上，加热时务必放在硬质耐热平面（如瓷砖、金属桌），切勿放在玻璃桌、塑料布或车内仪表台上，高温可能导致玻璃炸裂或塑料熔化Sources
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