Fibre Origin
Cellulose material recovered from paper and board products that have reached the end of their intended use by a consumer represents a significant resource for the packaging industry. This post-consumer recycled pulp differs from pre-consumer or mill waste because it has entered the public waste stream and been collected through municipal or commercial programs. It contains a mix of different fibre lengths and chemical residues from its previous life.
Using this material helps reduce the demand for virgin wood.
Contaminant Profile
Presence of residues from inks, adhesives and food contact often characterizes this grade of pulp. De-inking and intensive cleaning are required to make it suitable for new food packaging.
Material Value
Sustainability goals of many global brands drive the demand for high percentages of this specific fibre type in their boxes. Incorporating post-consumer recycled pulp into a sheet often requires the addition of strength agents to compensate for the shortened fibres. The quality of the final product depends on the effectiveness of the sorting and washing processes at the mill.
Certification schemes like FSC or PEFC track the chain of custody for these materials to ensure the claims are valid. Market prices for this pulp fluctuate based on the availability of high quality waste paper. Despite the processing challenges, it remains a cornerstone of the circular economy for the paper industry.
Modern mills are increasingly capable of producing clean and strong board from these mixed sources.
