Xylene eye and upper respiratory tract irritation, xylene pesticides at high concentrations have a narcotic effect on the central nervous system. Acute poisoning: Short-term inhalation of high concentrations of the product can appear obvious eye and upper respiratory tract irritation, eye and throat conjunctival hyperemia, dizziness, headache, nausea, lightheadedness, weakness, confusion, staggering gait. Severe cases may have restlessness, convulsions or coma. There are some hysterical seizures. Chronic effects: Long-term exposure to a neurasthenic syndrome, women may cause menstrual abnormalities. Skin contact often dry skin, chapped, dermatitis xylene: Methyl mercury and divalent metal ions such as mercury inorganic mercury in particular the role of microbial organisms will be converted into methyl mercury and methylmercury, says this transformation biological methylation. This conversion process is called reverse biological demethylation effect. These two effects constitute a microorganism mercury cycle. Xylene resin, Wei Connaught Chemical (certified), xylene provided by Qingdao Wei Connaught Chemical Co. Qingdao Wei Connaught Chemical Co. (www.qdweinuo.com) is Qingdao, chemical products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Wei Connaught Chemical leadership with the staff warmly welcome all inquiries negotiations to create great promise a better future for the chemical.