1、Retention and Drainage Aid
Bentonite forms flocs with fine fibers and fillers in pulp, increasing their retention rate on the paper web, reducing raw material loss, and accelerating dewatering to boost the production efficiency of paper machines.
2.Improve Paper Performance
It fills the gaps between fibers, enhancing paper smoothness, opacity and stiffness, optimizing printability to make ink adhere more evenly and present clearer patterns.
3.Control Pitch and Stickies
With strong adsorption capacity, bentonite can capture resin and sticky substances in pulp, preventing their deposition on equipment and reducing resin spots on finished paper.
4.Papermaking Wastewater Treatment
It acts as a flocculant to adsorb organic pollutants and heavy metal ions in wastewater, lowering COD and suspended matter content to help the effluent meet discharge standards.
5.Coating and Filler Application
High-whiteness bentonite can partially replace titanium dioxide as a low-cost filler, and it also improves the rheology and stability of paper coating to enhance the gloss and water resistance of paper.