... Pb) .............................................≤0.001% 2.Use:1)raw materials of glass, enamel, porcelain, pharmaceutical industry 2)Glass ... bronchitis, general non-poisoning. Oral acute toxicity, mainly gastrointestinal symptoms, nausea, vomiting, abdominal pain, diarrhea, followed by ... tract or a small amount of the goods can be mild gastrointestinal symptoms, dermatitis, alopecia, and liver ...