Natural fibre products
- Printing and writing papers
- Paperboards
- Tissue
- Nonwovens
- Speciality papers
- Production of paper and board
- Stock and water systems
- Web forming
- Wet pressing
- Drying of natural fibre products
- Surface sizing
- Pigment coating
- Finishing
- Converting of paper and board
- Papermaking chemistry
- Paper physics
- Printing
Retention chemicals Retention chemicals are so-called process chemicals, which are used only when fully necessary. They are not used to give any direct impact on paper properties but just to ensure good machine runnability, though indirect impacts are seen e.g. in filler distribution and in paper formation. The raw materials in papermaking – pulp fibres
Authors & references
Authors:
Jonni Ahlgren and Markus Korhonen, Kemira Oyj
Videos
Exercises
This page has been updated 15.11.2020