In order to save cotton cellulose, which is valuable in the republic, experiments on obtaining a new type of multi-layered paper and cardboard by adding polyester (lavsan) fiber waste to its composition were carried out in the laboratory certification department of the Global Komsco Daewoo joint venture based on technological regulations.

In the article, the physical-mechanical properties and microscopic analysis of the new type of paper are thoroughly studied. At the same time, the article shows the expediency of obtaining paper with protected properties when polyester (lavsan) fiber waste is added to paper.

In order to save cotton cellulose, which is valuable in the republic, experiments on obtaining a new type of multi-layered paper and cardboard by adding polyester (lavsan) fiber waste to its composition were carried out in the laboratory certification department of the Global Komsco Daewoo joint venture based on technological regulations.

The physical and mechanical properties of the new type of paper obtained in the article are thoroughly studied. At the same time, the article shows the feasibility of using secondary synthetic fibers in the production of a new type of paper for the printing and paper industries.