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Equipment Description:Canadian Softwood Kraft (Eastern Canada, Central and Maritime Areas) Click here to print the FactSheet on A4 paper


Equipment Description:
Canadian Softwood Kraft (Eastern Canada, Central and Maritime Areas)
Last updated: 20 December 2005
This Fact Sheet has been viewed: 3754 times.

Distribution... The pulpwoods used in Eastern Canadavary according to where the pulp is produced. The pulps produced in the maritime provinces (eg. New Brunswick and Nova Scotia) are made from Red spruce and Balsam fir, whereas those produced in Ontario and Quebec are rich in black spruce.
   
Fibre Types... Red spruce - Picea rubens
Black spruce - Picea mariana
White spruce - Picea glauca
Balsam fir - Abies balsamea
Eastern White pine - Pinus strobus
   
Fibre Properties... Fibre Length 3.3-3.5mm
Fibre Width 27-35µm
Wall Thickness 2.9-4.0µm
Fibre Coarseness 120-180µg/m
   

  Typical Pulp Properties...  
Unbleached and Bleached ECF pulps are available. These pulps are generally similar to Scandinavian softwoods, but are stronger in tensile and burst strength. They require less refining energy to develop their strength properties. They tend to be weaker in tear strength compared to pulps from Western Canada.


  Typical Uses...  

These pulps can be used in most commercial printing and writing grades. Pulps with a high balsam fir content, from the maritime area, have thin walled fibres and are particularly suited for such grades as packaging and release papers, the latter of which, requires a smooth dense sheet. Pulps produced in the inland areas, are particularly suited for tissue and towelling grades, since they develop tensile strength very quickly, without too much loss of absorbency. The limited availability of these pulps implies that they tend to be used only in premium grade disposable paper products.


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