At the beginning of the 20th century, vinyl lunch boxes (foamed plastic lunch boxes) became the mainstream disposable lunch boxes. There are serious problems in the production, use and recycling of disposable foamed plastic tableware.
Some foaming agents used in the production process will destroy the atmospheric ozone layer, and some have serious safety hazards; Improper use at high temperature can easily produce substances harmful to human health; Discarding at will after use will cause serious environmental pollution; Buried in the soil, it is difficult to degrade, which will pollute the soil and groundwater, and it is very difficult to recycle it.
Therefore, with the approval of the State Council, the State Economic and Trade Commission issued the Catalogue of Backward Production Capacity, Processes and Products (Order No.6 of the State Economic and Trade Commission, hereinafter referred to as Order No.6), in which disposable foamed plastic tableware will be eliminated before the end of 2000.
Disposable foaming lunch box
Probably in 2003, domestic manufacturers began to introduce PP injection-molded disposable tableware. Most of them are imported machine molds. In the early days, it was mainly exported to meet the markets of developed countries such as Europe and America. With the improvement of domestic production level and the country's attention to food safety. In recent years, the domestic market has gradually prospered.
Disposable PP lunch box
With the development of the Internet, the take-away platform has penetrated into the catering industry in recent years. This kind of PP lunch box with lid gradually exposes its limitations, which will leak water and not keep warm during transportation.
Paper lunch box
In fact, there are many kinds of existing lunch boxes, such as paper lunch boxes, corn lunch boxes, starch lunch boxes and so on. But the mainstream lunch boxes are mainly PP.