Unverified88% confidenceDecision RuleTime unknown
烛芯材质决定烟雾量：纯棉芯或木芯优于含铅/含锌金属芯。含铅烛芯燃烧会释放铅蒸气（美国2003年已禁售），购买时确认烛芯为无铅棉芯或木芯；木芯燃烧有轻微爆裂声但烟雾更少
1
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88%
Confidence
Long-term
Relevance
-
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Unverified灯芯材质决定烟雾量：纯棉芯或木芯基本无黑烟，含铅/金属芯的蜡烛燃烧会释放重金属颗粒（部分低价进口产品仍存在），选购时应避开硬质金属丝灯芯92% similarUnverified烛芯材质决定烟雾量：木质烛芯（Wooden Wick）燃烧有轻微噼啪声、火焰稳定烟少但需宽扁形；棉芯需选无铅芯，含铅金属芯已被多国禁用但仍有低价产品使用，燃烧释放金属烟尘90% similarUnverified选择棉芯或木芯而非含铅/金属芯的烛芯，木芯燃烧有轻微噼啪声且火焰更宽，棉芯更稳定；避免燃烧时冒黑烟的产品说明烛芯过粗或蜡不纯90% similarUnverified烛芯材质影响烟雾量：纯棉芯或木芯（会有轻微噼啪声）比含铅/金属芯更清洁，选购时可看烛芯是否泛金属光泽，泛光的坚决不买90% similarUnverified看烛芯材质：选无铅纯棉芯或木芯，避免含金属芯（早期部分产品用铅芯）；木芯燃烧有轻微噼啪声、火焰较大但香味扩散好，棉芯燃烧稳定、烟雾更少90% similar
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