Is the takeaway lunch box harmful?

1. Is the takeaway lunch box harmful? Most take-away packaging boxes on the market are toxic, because the materials of the packaging boxes are mainly PET, PP, PS and other materials. Among them, the packaging box made only of PP has the characteristics of high temperature resistance, and harmful substances will not be dissolved out due to high temperature after packaging meals.

In order to save costs, many enterprises only use packaging boxes made of PET and PS, and may even use irregular packaging boxes without production marks. When these boxes encounter high temperature, harmful substances or other chemical components in them will gradually precipitate, and long-term consumption of meals in these boxes may cause cancer.

The heat resistance of PET, PS and other packaging boxes is relatively low, but it will not release carcinogens at high temperature, so there is no need to worry.

Second, how to see if the takeaway lunch box is hygienic 1. After getting the plastic lunch box, it's best to check whether there are QS signs and numbers on it, and then check whether the surface of the lunch box is smooth, with or without impurities and spots. Simply put, if it is a transparent plastic lunch box, the safety factor is relatively large.

2. Don't choose brightly colored plastic lunch boxes. Because industrial paraffin and talcum powder are added in the plastic production process, calcium carbonate is easy to exceed the standard and contains heavy metals, such as lead, chromium and other harmful substances. If used for a long time, it may be harmful to the digestive tract and nervous system of human body.

You might as well smell the lunch box to see if it tastes. Qualified lunch boxes have no taste, you can smell the unique taste by rinsing them with hot water, and naturally they are unqualified.

You can also tear open the plastic lunch box by hand to see its strength. Generally speaking, unqualified plastic lunch boxes are not very strong, and they will rot if they are torn lightly.

5. Pay attention to the bottom of plastic products and look at the triangle sign, which is the plastic ID card.

Third, it is harmful to the body to use plastic bowls for a long time. Plasticizers are usually added to plastics, which contain some toxic chemicals. When the plastic bowl is filled with hot water or boiled water, toxic chemicals are easily diluted into water. There are many holes in the internal microstructure of plastic, and dust is hidden in them. If it is not cleaned, it is easy to breed bacteria. When buying plastic bowls, please be sure to choose food-grade plastic cups that meet the national standards. Among all bowls made of materials, glass bowls are the healthiest. The glass surface is smooth and easy to clean. Bacteria and dirt are not easy to breed on the cup wall, so using a glass bowl is the healthiest and safest food for people.