Everyone has misunderstood the interpretation of disposable packaging boxes, and always think that the variety of disposable packaging boxes is just a one-time catering supplies. In fact, one-off items such as lighters, napkins, etc. that have appeared once are both practical and aesthetically im创造。一次性打包午餐盒是一个变化sity in life now. In addition to environmental protection, safety and usability, they are also in line with current fashion trends. A good product, whether it is a recycled or disposable product, must be made good enough and delicate enough. What is presented to everyone is not only the most basic use value, to improve aesthetics, but also adds a colorful taste of life.
Disposable lunch boxes made of plastic are mainly PP polypropylene and PS polystyrene. They are non-toxic, tasteless and odorless. PP is relatively soft. Generally, the temperature of PP is -6 degrees to +120 degrees, so it is special It is suitable for holding hot meals and hot dishes. It can be heated in a microwave oven or even cooked in a steam cabinet. The use temperature of modified PP can be controlled from -18 degrees to +110 degrees. The lunch box made of this PP can be heated in addition to It can be stored in the refrigerator to be used for refrigerating after being used up to 100 degrees. PS is hard and transparent, but it is easy to tear. PS starts to soften when the use temperature reaches 75 degrees, so it is not suitable for holding hot meals and hot dishes, but PS has good low temperature performance and is the best packaging material for ice cream. In order to reduce costs, some lunch box factories use PP as the box and PS as the lid. The advantage is that the lid is transparent and the PS is harder. It can be made of thinner materials to reduce costs, but consumers of this design must understand the two materials The difference, do n’t put the whole box of lunch together with the lid and heat it in the microwave.
The cardboard snack box is made of 300-350 grams of bleached sulfate wood pulp cardboard as a raw material, and is made by die-cutting bonding, die-cutting, pressing and shaping through a stamping process similar to sheet metal processing. In order to prevent oil or water seepage, it is necessary to apply a chemical additive to the surface of the film. In the process of production and use, it is non-toxic and has no side effects on the human body. However, the quality of the paperboard is higher, and the cost is also increased.