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Colorful Pizza Box
Oct 13, 2017

As we all know, paper is a recyclable resource. Papermaking raw material is mainly plant fiber, raw materials in addition to contain cellulose, hemicellulose, lignin three main components, there are other content less components, such as resin, ash and so on. In addition, sodium sulfate and other auxiliary components. In addition to the plant fiber in the paper, it is necessary to add different fillers according to different paper materials. The commonly used plastic bags made of polyethylene are used for oil, and oil is already a scarce source of energy.

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