How to distinguish the advantages and disadvantages of plastic lunch boxes?
At present, most of the plastic lunch boxes on the market are polyethylene and polypropylene products. Both substances can withstand high temperatures above 100°C and are safer to use. When consumers choose goods, they should pay attention to the words PE (polyethylene) and PP (polypropylene).
In addition to looking at the brand and related test reports, you can also identify by the following methods:
1. Odor: If there is a pungent plastic smell or an odor after filling with water, there must be a problem.
2. Look at the appearance: Compared with similar lunch boxes, the more transparent, the purer.
3. Pinch hardness: You can pinch the hardness of the product, and you can eliminate too brittle and too thin; check the product identification map. Whether the logo is clear, and whether the plastic box body and lid have corresponding material logos.
