Ferric Alum is aluminium sulphate with a small iron content. It is the standard partner to rosin size in paper mills, fixing the size onto fibres, and it is also a widely used coagulant for clarifying water and effluent.
Key Benefits
- Fixes rosin size for effective internal sizing
- Controls wet-end pH
- Economical coagulant for water treatment
- Available as solid and liquid
- Easy storage and dosing
Applications & Use Cases
- Rosin–alum sizing in kraft and writing papers
- pH adjustment in the paper machine system
- Raw water and effluent clarification
- Pitch control in some furnish systems
- Textile and leather processing
Industries Served
Writing & printing paper, kraft paper, duplex and packaging board, tissue, newsprint and specialty paper mills, along with pulp mills using agro-residue, wood or recycled fibre. Also used in water treatment plants.
Why Source Ferric Alum from Mittal Trading Company
Since 1988, Mittal Trading Company has supplied paper mills and process industries across India, Nepal and Bangladesh. We supply Ferric Alum in grades matched to your process, with consistent batch quality, dependable dispatch and technical support from our team. Share your requirement and we will send a quotation with the technical data sheet.



