A colorful highlighter attracted the attention of many students. The reporter recently learned that many students love to write with a highlighter. Experts remind that some of the components of the highlighter, especially the inferior highlighter, are harmful to the human body, and the frequent use of students may affect growth and development.
The colorful highlighters were welcomed by students in a stationery store near the city's Seventh. The reporter saw that there was a bag of highlighters on the shelves. A pack of highlighters has seven or eight different colors. The owner also introduced to the reporter a notebook dedicated to the writing of highlighters. The inside pages of such notebooks are all black, and it is difficult to express them with a general ballpoint pen or a gel pen.
In a bookstore in Xiapu, the city also found that there are more than a dozen brands of highlighters. The price of a pack of highlighters is generally around 6 yuan, and some packages are marked with "super fruit flavor."
It has been observed that many highlighters do not have the manufacturer's address, contact information, no ingredient description, and no relevant production standards.
Xiao Huang was in the fifth grade at a primary school in Jiangbei. The reporter saw that most of her textbooks were traces of fluorescent strokes. "There are many students in the class who use the highlighter to draw pictures and write diaries." Xiao Huang said.
There is no specific regulation on the amount of harmful substances in the highlighter pen. According to Zhuang Ping, a teacher in the Department of Chemical Engineering of Huizhou University, the principle of the highlighter is to generate the energy level transition of the atom through the absorbed light energy, and then release the additional energy absorbed. Some fluorescent agents are added to the highlighter. Some fluorescent substances are toxic, have potential carcinogenic ingredients, are harmful to humans for long-term use, and are inexpensive. In order to reduce costs, some small workshops use toxic fluorescent agents as raw materials for highlighters. In addition, because the fluorescent pen contains a large amount of fluorescent agent, long-term use will seriously affect the child's vision.
Zhuang Ping said that the relevant standards of the country in the field of stationery are still not standardized, resulting in the unscrupulous traders being driven by the interests, adding raw materials harmful to the human body in the product formula, and producing problematic products.
The reporter learned from the Standardization Section of the Municipal Bureau of Quality and Technical Supervision that at present, our country has not formulated relevant national standards for specific stationery products. The implementation of the highlighting pen, pencil, rubber and other stationery industries are all industry standards, and no production license system has been implemented. The market entry threshold is low, there is no corresponding technical regulations, and the production of stationery is in a state completely regulated by the market.
Zhuang Ping said that the China National Light Industry Association has set up a special management regulation for the correction fluid, which was implemented on June 1 last year. Most of these provisions are recommended, but mandatory provisions are made for the amount of hazardous substances in the correction fluid: the organic solvent in the correction fluid contains no more than 10 mg of benzene per kilogram and must not contain chlorinated hydrocarbons. However, there is currently no specific specification for highlighters.
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