How to choose a disposable lunch box is better?

With the rapid development of packaging technology, edible packaging paper is an important development direction of modern food packaging. This kind of packaging has important environmental protection and economic value. At present, there are two types of edible paper abroad. One uses vegetables as the main raw material, and the vegetables are molded and then dried; From the perspective of application and development prospects, green products with vegetables as raw materials have more development potential.

Five-point grid bottom

How to tell if this material is environmentally friendly? We can touch it to find that the inner wall of the box is rough and feels astringent, which means that there are solid residues on the inner wall; when exposed to light, there are obviously irregular small black spots in the material of the box surface; if there are, it indicates that it is a low-quality product. It can also be torn. A good lunch box is made of new PP plastic, which has good toughness and high hardness, and cannot be torn by hand; the inferior lunch box feels soft and will break if it is torn lightly. It can also be identified by seeing whether there is a QS logo and number on the lunch box. From June 1, 2010, the words “quality and safety” will be changed to “production license” on the QS mark marked on the food packaging produced by all certified enterprises.

In addition, although the use of foamed lunch boxes was banned in 2001, foamed lunch boxes are still common in the catering market, and consumers are advised not to use them as much as possible. The reasons are as follows: 1. It is difficult to recycle the foamed plastic tableware after it is used up and discarded; 2. The foaming agent used in the production of some enterprises is butane (that is, the gas of the lighter), which is easy to catch fire and is unsafe; (>65°C) Hazardous substances are easy to dissolve and unsafe to use, especially in microwave ovens; 4. The product is large in size and inconvenient for transportation and storage; 5. It is not easy to decompose, pollutes the environment, and is harmful to the human body; 6. Appearance Alternative products (cornstarch cutlery).