An adhesive substance, generally a high polymer in a solid form (powder, film, fiber) or as a foam, or in a liquid form (emulsion, dispersion, solution) used for bonding the constituent elements of a web or enhancing their adhesion, in order to provide the nonwoven fabric cohesion, integrity and/or strength and additional properties.
References for this information:
https://www.inda.org/about-nonwovens/nonwovens-glossary-of-terms/
https://www.edana.org/glossary
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