Views:0 Author:Site Editor Publish Time: 2021-03-13 Origin:Site
In our daily life, we use environmentally friendly plastic food containerto pack food. At the same time, the bottom of the plastic food containerwill be printed with numbers, so we can choose the right plastic meal box by the bottom number of the plastic food container.
Polypropylene, abbreviated as PP, is a kind of thermoplastic synthetic resin with excellent properties. It is a colorless and translucent thermoplastic light general plastic. In addition, polypropylene has chemical resistance, heat resistance, electrical insulation, high strength mechanical properties and high wear resistance processing properties.