Unverified80% confidenceDecision RuleTime unknown
材质优先食品级PP或Tritan(不含BPA)，避免普通PC材质；不锈钢瓶保温但重且不透明看不到剩余水量，透明PP便于监控饮水量
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80%
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Long-term
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Unverified透明PC材质瓶身可视水位方便但部分含BPA，PP和Tritan材质更安全且耐高温可沸水消毒，选购需明确标注BPA-free及材质代号，避免用回收塑料标号3/6/7的不明材料84% similarUnverified材质认准食品级PP（PP5）或Tritan，避免PC材质（可能含双酚A BPA）；Tritan耐摔透明且无异味，但价格更高，PP性价比更好且耐高温可开水消毒83% similarUnverified材质优先选择食品级PP或Tritan（无双酚A/BPA-Free），认准瓶身标注的三角回收标志5号(PP)或7号且注明Tritan；避免劣质PC材质长期装水83% similarUnverified塑料杯选材质认准Tritan（不含双酚A、耐冲击透明），避免PC材质；PP材质耐高温可装热水但不透明，PC不建议装热饮83% similarUnverified塑料水壶应认准Tritan材质并标注BPA-free，避免PC材质长期装热水；不建议用普通塑料壶装酸性饮料或超过60℃热水81% similar
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