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Max Holmberg
• International paper merchant
• 43 countries, headquarters in Paris
• Antalis SwedenStockholm, Göteborg & Malmö
• 4 Business SectorsPrint, Office, Visual Communication & Packaging
• About 7000 SKU (Stock Keeping Units)
• the basics of the paper manufacturing process
• be able to take into account the importance of the choice of paper in print production
Goals
Questions?
American Psycho, Lionsgate Films, 2000.
Paper is fantastic!
• Evokes emotions
• Tactile media
• Activates senses
• Sustainable and lasting
Evokes emotions
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Activates senses
Sustainable and lasting
Källa: Skogsdata 2016, SLU
Skogsmark, 69%
Skogsmark Övrig landyta
Making of Paperboard
Källa: Iggesund, The Making of Invercote, 2014, https://youtu.be/rGPnKoMJfT0
Raw material
Spruce (Gran) Pine (Tall) & Birch (Björk)
Spruce (Gran)
Eucalyptus and Akacia
Chemical pulpMechanical pulp
Manufacture of pulp
Mechanical (grinding)
Chemical (dissolve)
Fibre from mechanical pulping Fibre from chemical pulping
Yield
Mechanical pulp
Chemical pulp
Recycled fibre
Bleach
17
Unbleached pulp
Chlorine dioxide
Oxygen
Sodium hydroxide
Peraceticacid
Hydrogen peroxide
Bleached pulp
Fillers
Clay
Titanium dioxide
Chalk
Ingredients
Fibre (~80%)
Filler (~20%)
Chemicals (~1-5%)
Process overview
Hands On!
Break?
Direction of grain
45x64
64x45
Against the grain
Creasing
Stiffness
26
Calendering
27
Pre-calendering
(before coating)
Finish calendering or Gloss calendering
(after coating)
Coating
28
• Pigment
• Binder
• Additives
Coating recipe
Under the microscope
29
Uncoated Medium coating Double coated Art coating
Ink absorbtion
Uncoated
Coated
Sustainable Forest
PEFC/05-37-77
Grammage/Weight
g/m2
Thickness / Grammage = Bulk
Uncoated
Coated
Opacity
Low High
Readability
36
Uncoated Gloss 150 lpi
Uncoated 150 lpi
Halftone screen
Coated Matt 150 lpi
Uncoated100 lpi
37
Scandia 2000 (Uncoated)
Example uncoated and coated
GalerieArt Gloss (Coated)
Reached the goal?
the basics of the paper manufacturing process
be able to take into account the importance of the choice of paper in print production
