Nowadays, disposable tableware represented by paper cups has entered the lives of people. Disposable paper cups are frequently used items in our daily lives. However, there are currently some unqualified disposable paper cups on the market, and the use of these paper cups will have a certain impact on our health. It is very necessary to understand the healthy life tips on the method of choosing disposable paper cups. The whole issue of disposable paper cups has also attracted much attention. According to national regulations, disposable paper cups cannot use recycled waste paper as raw materials, and fluorescent bleaching agents cannot be added. However, many paper cups use recycled paper that violates regulations. A large amount of fluorescent bleaching agent is added to make the color white, and some industrial calcium carbonate and talc are added to increase its weight. In addition, in order to withstand high temperatures, the paper cup is covered with a layer of coated paper. According to regulations, standard non-toxic polyethylene should be selected. However, some manufacturers use industrial polyethylene or waste plastics from medical waste and chemical packaging instead.
There are three types of disposable paper cups: one is made of white cardboard, which is mainly used to hold dry foods such as french fries and popcorn, and cannot be filled with water; the second is a waxed paper cup, which is thick, waterproof, but not Pack food with a temperature higher than 40℃; the third type is a paper-plastic cup, that is, the outer wall is covered with a layer of paper and the inner wall is coated with a layer of coated paper to prevent water and oil.
The pros and cons of disposable paper cups can be distinguished by “one look, two smells and three touches”. Look at the name of the manufacturer, address, date of production, etc. on the packaging, and look at the light. If there is blue light or impurities, it is best not to buy it; if there is a pungent odor; if it feels soft to the touch, it may be a low-quality product. When using disposable paper cups, it is best to scald them with boiling water to let the harmful substances in the paper cups fully evaporate.