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Paper & Cardboard
Humic acids are used for paper coloring, which improves the fastness and eliminates the penetration of toxic substances into wastewater at the same time.
They can be used as special additives for certain types of dark colored papers, particularly those requiring the use of oils, waxes, resins, etc.
They can also be applied in modifying water-proofing agents and barrier coatings used in paper products. They should be considered as black tinting agents, special fillers, asphalt/oil/wax/resin property modifiers and can be used where it is important to prevent penetration of Nonaqueous liquids during special paper production.
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