UPM Pulp
 

Our bleached eucalyptus kraft (BEK) pulp UPM Euca is supplied from two world-class pulp mills located in Uruguay. We produce unique pulp quality with the total capacity of 3.4 million tonne. UPM Euca is fit for various end-use segments, such as:

  • Tissue
  • Board
  • Specialty grades
  • Printing & writing

Download product brochure (PDF) 

View technical data in the Certificate Finder

 

Unique pulp quality for our bleached eucalyptus kraft pulp comes from a blend of two eucalyptus species

 

UPM Euca is an optimal blend of two main Eucalyptus wood species – Eucalyptus grandis and Eucalyptus dunnii – which combined provide a unique set of pulp and papermaking properties to the end product. This combination together with a careful raw material selection determine the UPM Euca pulp properties to a large extent. 

When the qualities of these two wood species are properly combined, the result is a pulp with the papermaking properties desired by customers from many different segments. The pulp production process is well adjusted and controlled in order to produce stable high brightness pulp with low brightness reversion and excellent cleanliness characteristics.

Eucalyptus grandis

Eucalyptus grandis has more slender fibres which enable faster refinability, improved bonding and higher tensile strength along with a higher fibre number resulting in excellent optical properties.

Eucalyptus dunnii

Eucalyptus dunnii has higher basic density and thick walled, less collapsible fibres which provides bulk and easier dewatering properties.

 

Bleached eucalyptus pulp for various end-use segments

 

Tissue

  • High initial tensile strength
  • Good bulk at given tensile level
  • Good softness

Board

  • High brightness
  • Good refinability
  • Good smoothness

Specialty grades

  • High cleanliness
  • High brightness
  • Balanced strength properties

Printing & writing

  • Good strength
  • Good dewatering
  • Balanced optical properties
 

Eucalyptus pulp mills in Uruguay  

The 2.1 million tonne capacity Paso de los Toros mill in central Uruguay started operations in 2023, adding to the 1.3 million tonne capacity of the Fray Bentos mill in southwestern Uruguay. These two mills offer our customers the same stable quality UPM Euca with reliability and security of supply. At both mills consistent raw material from traceable sources, state-of-the-art production technology – delivered by the same main machinery supplier – excellent mill availability and strict process controls along the entire production process result in improved quality stability.

 

Constant development of pulp production

The development of UPM Euca has its roots in our tree breeding programme and our work on UPM’s three own tree nurseries, providing highquality seedlings for plantations. The aim is to enhance wood yield and fibre quality, while ensuring that trees adapt to different forestry sites and climate conditions.

The development of process efficiency is carried out at our UPM Fray Bentos R&D Lab. It covers the pulping, bleaching and drying phases as well as wood chemistry and fibre properties. The facilities are used for the evaluation and selection of clones (commercial deployment), evaluation of the wood supply to the mill and for mill process development studies.