Why can’t foamed plastic lunch boxes be used? The main raw materials of foamed plastic lunch boxes are polystyrene and foaming agent, and polystyrene is benzene. When the ethylene polymer reaches 65 degrees Celsius, some free styrene and a harmful substance called dioxins will migrate out, causing harm to the human body; in addition, the foaming agent is also a kind of harmful substance to the human body. Hazardous chemical materials. \u0026emsp;\u0026emsp;Although there are reports about the carcinogenicity of inferior disposable foaming lunch boxes every year, the citizens of the capital seem to be unmoved and still trade and use them as usual. \u0026emsp;\u0026emsp;\u0026emsp;\u0026emsp; had contact with several stall owners about a certain agricultural and sideline product wholesale market. We said that we would purchase a batch of disposable foamed plastic lunch boxes for the unit, and each introduced several kinds of lunch boxes with different prices.
The cheap one is 8.4 cents, and the expensive one is only 1 cent. There is no mark on the carton, plastic, and woven bag of the outer packaging. Even though the source of the stall owner’s goods has been repeatedly inquired, the owner’s answer is “outside,” “Beijing,” or “southern”. The \u0026emsp;\u0026emsp;\u0026emsp;\u0026emsp; survey found that in University East Street and outside the university campus, a series of snack carts are sold here every day. Sellers have been using foamed plastic lunch boxes, which are particularly soft and thin, and are often scalded by freshly fried hot rice. In the North Gate commercial area of the old city, a large number of lunch boxes gather at noon every day, and the same goes for the lunch boxes they use. \u0026emsp;\u0026emsp;\u0026emsp;\u0026emsp; The seller’s explanation for this is: ‘This kind of cheap, seven or eight cents apiece, the biodegradable one is too expensive, it costs three or four cents, how much money is our small business ‘\u0026Emsp;\u0026emsp;\u0026emsp;\u0026emsp;
The main raw materials of foamed disposable lunch boxes are polystyrene and foaming agent. Polystyrene is a polymer of styrene. When it reaches 65 degrees Celsius, there will be some free states. Styrene and a harmful substance called dioxins migrate out and cause harm to the human body; in addition, the foaming agent is also a chemical material that is harmful to the human body. \u0026emsp;\u0026emsp;\u0026emsp;\u0026emsp; Since 2002, the National Environmental Protection Product Quality Supervision and Inspection Center has conducted random inspections on disposable foamed plastic lunch boxes. The results show that the disposable foamed plastic lunch boxes used in the market are unqualified. The rate has been between 40% and 52%. Related reading: The production process of plastic lunch boxes and its 6 processes
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