Double Wall Paper Cup's Understanding Of Plastic Cup

• Posted by qiqi juju 1 February 2021 - Filed in Other - #double wall paper cup single wall paper cup  - 31 views

  The most commonly used on weekdays is the water cup, but there are many types of cups, such as glass cups, plastic cups, stainless steel cups, Double wall paper cup , etc. Today we will learn about plastic cups.

  Plastic cups are loved by many people because of their changeable shapes, bright colors, and the characteristics of not afraid of being beaten. They are very suitable for outdoor users and office workers. Generally speaking, the bottom of the plastic cup has a logo, which is the number on the small triangle. The common one is "05", which means that the material of the cup is PP (polypropylene). The cup made of PP has good heat resistance, the melting point is 170℃~172℃, and the chemical properties are relatively stable. In addition to being corroded by concentrated sulfuric acid and concentrated nitric acid, it is relatively stable to other chemical reagents. But the problem of ordinary plastic cups is very common. Plastic is a polymer chemical material. When hot water or boiled water is filled in a plastic cup, the polymer is easy to precipitate and dissolve into the water, which is harmful to human health after drinking. Moreover, the internal microstructure of the plastic has many pores, which hide dirt, which will breed bacteria if it is not cleaned. Therefore, the selection of plastic cups is very important for the selection of plastic materials, and food-grade plastics that meet national standards must be selected. It is made of PP.

  For more details, please learn about Single wall paper cup .