Robuta

https://bioresources.cnr.ncsu.edu/resources/effect-of-surface-sizing-of-black-liquor-on-properties-of-corrugated-medium/ Effect of surface sizing of black liquor on properties of corrugated medium :: BioResources surface sizingblack liquoreffect https://publica.fraunhofer.de/entities/publication/f12aef38-d656-4984-8660-3f4dc13c1c0f Processing surface sizing starch using oxidation, enzymatic hydrolysis and ultrasonic treatment... The surface application of starch is a well-established method for increasing paper strength. In surface sizing, a solution of degraded starch is applied to... surface sizingprocessingstarchusing