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Is Jun porcelain teacup poisonous?
The dissolution of heavy metal lead and cadmium in Jun porcelain tea pot is 0.002 mg/L and 0.00004 mg/L respectively. The detection results of Jun porcelain teacups are as follows: the dissolution of heavy metal lead and cadmium is 0.002 mg/L. ..
In addition, from the physical point of view, it is not difficult to find that Jun porcelain, as a high-temperature glazed porcelain, has a much higher firing temperature than other blue-and-white porcelain and purple sand. The highest firing temperature in the reduction firing stage can reach 1380 degrees Celsius, and the duration of high-temperature firing varies from 12 to 48 hours. In such a continuous high temperature state, even if Jun porcelain mud or glaze contains heavy metals, it basically volatilizes, with almost no residue, and it is in a high temperature state.
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