Corrugated paper made from waste milk

A Japanese company used waste milk packaging and leather scrap as raw materials to make a recycled corrugated paper that is stronger than conventional corrugated paper and more waterproof. The trial results showed that the strength of this recycled corrugated paper is 3-4 times that of conventional corrugated paper, and since the polyethylene used in the milk packaging material is contained intact in the corrugated paper, its waterproofness is also greatly improved. In addition, if you add charcoal and glass powder, you can also make high-strength corrugated paper with odor absorption.