
Fixing Agent
Dye and filler that do not fix on fibre end up in the white water loop as anionic trash.
Paper Functional Agents are essential chemical additives designed to improve the overall performance, appearance, and processing efficiency of paper and paperboard products.
Fines, fillers and dye that leave with the white water are money going down the drain, and they take sheet uniformity and drainage rate with them.
Retention and drainage aids, cationic fixing agents, polyamine and optical brighteners - the wet-end additives that keep expensive inputs in the sheet and the machine running at speed.

Dye and filler that do not fix on fibre end up in the white water loop as anionic trash.

Brightness targets are set by the buyer, not the furnish.

Retention, drainage and wet strength are usually three products and three dosing points.

Every point of first-pass retention lost is filler and fines paid for and thrown away.
4: Fixing Agent, Optical Brightener Agents, Polyamine, Retention and Drainage Aid.
Fines, fillers and dye that leave with the white water are money going down the drain, and they take sheet uniformity and drainage rate with them.
The paper grade, the furnish, your system pH and the property target. That is enough to shortlist a grade and suggest a starting dosage.
Tell us the grade, the furnish and the target. We reply with a shortlist, a dosage range and packing options.