회사소개 제품안내 게시판 자료실 관련사웹사이트링크
Fibre Morphology

자료실 게시판
 

FIBRE

MORPHOLOGY
   Fibre Morphology
      Fibre Dimension

      Impact on pulp properties
  Coarseness (mg/100m)
      Coarseness is proportional
         to fibre wall thickness
 
Lower Coarseness = More fibre/gram of pulp
= Greater bonding area
= Higher strength
  Fibre Coarseness
  Fibre Coarseness
Species
Coarseness
(mg/100m)
Wall Thickness
(μm)
Fibre per gram
(x10^6)

   Douglas fir

24

4.0

1.8
   Hemlock 20 2.7 2.8
   Spruce/Pine 18 2.2 3.6
   Cedar 16 1.6 4.2
  Significance of Fibre Coarseness
  Low Coarseness   High Coarseness
   High wet web strength

   High breaking length

   High sheet opacity

   Good sheet formation

   Smooth sheet
   Good drainage

   High tear

   High porosity

   High sheet bulk
  Fibre Coarseness - Kajaani (mg/100m)
Southern Pine  - 30
Douglas fir - 24
Chilean Pine - 22
Hemlock - 20
Scandinavian Pine - 20
Lodgepole Pine - 18
White spruce - 18
Cedar - 16
 
  Typical Fibre Dimension
  Typical Fibre Dimension
  Typical Fibre Dimension
  Typical Fibre Dimension
  Typical Fibre Dimension



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