AKD Emulsion
Acid rosin systems corrode the machine and lose sizing over time; a neutral system needs an emulsion that stays fine and stable.
Paper grade
Packaging Paper and Board
Sizing, strength and retention chemistry for kraft, carton and corrugated grades.
What we hear
The Three Problems That Come Up
- Recycled furnish drags dry strength down while basis weight targets go the same way.
- Board that fails a Cobb test is board that fails the box.
- Brown shade has to match across mills and across seasons.
Starting points
Products Most Often Specified For Packaging Paper and Board
Dry Strength Agent
Lower basis weight targets and more recycled fibre both pull dry strength the wrong way.
Retention and Drainage Aid
Every point of first-pass retention lost is filler and fines paid for and thrown away.
Direct Brown Dyes
Packaging and kraft grades need brown that penetrates cellulose fibre evenly.
Other Paper Grades
Frequently Asked Questions
Which CHEMSUM ranges apply to packaging paper and board?
Paper Sizing Agent, Paper Strength Agent, Paper Functional Agent, Paper Coloring Agent.
Where do most packaging paper and board enquiries start?
Recycled furnish drags dry strength down while basis weight targets go the same way.
What do you need from me to recommend a product?
Paper grade, furnish, system pH, machine speed and the property you are chasing.
Chemistry for packaging paper and board
Send your grade, furnish and target property and we will shortlist from the ranges above.