[KongchangAI]
Unverified90% confidenceFactTime unknown

铁粉自发热贴的成分为铁粉、活性炭、蛭石、盐和水,发热依靠铁的氧化反应,因此包装拆封后需尽快使用,未拆封需密封保存,受潮后发热性能显著下降

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Long-term
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