Views:4 Author:Site Editor Publish Time: 2021-11-01 Origin:Site
There are many types of disposable lunch boxes. How do we choose a lunch box that suits us in real life?
Disposable lunch boxes made of plastic mainly include PP polypropylene and PS polystyrene, which are non-toxic, tasteless and odorless, suitable for holding hot meals and hot dishes. They can be heated in a microwave oven or even in a steam cabinet. It can be used for steaming and refrigeration in the refrigerator.
Wood pulp cardboard is used as raw material, and it is made by die-cutting bonding or die-cutting pressing, shaping and other processes through a stamping forming process similar to sheet processing. In order to prevent oil or water seepage, it is necessary to coat the surface or apply chemical additives. In the process of production and use, it is non-toxic and has no side effects to the human body. However, the quality requirements for cardboard are relatively high, and the cost is also increased.
Plant fiber type:
The wood pulp or reed, bagasse, wheat straw, straw and other annual herbaceous plant fiber pulp is pulverized and purified, and an appropriate amount of non-toxic chemical additives are added to form, dry, shape, shape, trim, and disinfect.
How to choose a disposable lunch box correctly:
Look at the tightness. Generally, the lunch box should be sealed in a plastic packaging bag, and the packaging bag should not be damaged. The poorly packaged lunch box is easy to be polluted by the environment, and hygiene cannot be guaranteed.
Look at the outer packaging. It is necessary to carefully check whether the package label is marked with "product name, manufacturer's name, site, product implementation standards, production date, shelf life, sanitary license" and other contents that must be marked by national regulations.
Smell the smell, there is no harmful substance if there is no pungent smell.