An overview of paper and paper based food packaging ...
2019-7-23u2002·u2002Classification of paper. Paper can be classified into the following categories based on numerous parameters. Based on the grade: Firstly processed paper from raw wood pulp is called as virgin paper or virgin grade paper.Recycled paper is the paper obtained after reprocessing of virgin paper, recycled waste paper itself or their combination.. Based on the smoothness and …
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