1st shaft position
The corrugated board is named after the brown corrugated layer made from an average of 80 % recycled waste paper and 20 % virgin fibres from wood.
2. interior ceiling
A smooth sheet of paper in brown or white is glued on one side (inner ceiling).
Single-sided corrugated board or open corrugated board
brown/open or white/open
3. outer ceiling
The second side is also covered with a smooth sheet of paper in brown or white (outer cover).
Corrugated board closed on both sides
brown/brown or white/white
4. printed outer cover
The outer cover can also be covered with printed and/or finished Korsnäs lamination board.
Corrugated board closed on one side second side laminated with Korsnäs lamination board.
5. double wall corrugated board
Second corrugated layers and a smooth intermediate track. Different types of corrugation can be combined.
6. triple wall corrugated board
Wave types
A-wave (coarse wave)
t: 7.9 - 10.0 mm, h: 4.0 - 5.0 mm
C-wave (Medium wave)
t: 6.5 - 7.9 mm, h: 3.1 - 4.0 mm
B-wave (fine wave)
t: 4.8 - 6.5 mm, h: 2.2 - 3.1 mm
t: 3.5 - 4.8 mm, h: 1.9 - 2.2 mm
E-shaft (ultra-fine wave/microwave)
t: 2.6 - 3.5 mm, h: 1.0 - 1.9 mm
t: 1.8 - 2.6 mm, h: 0.6 - 1.0 mm
EB wave (twin-wall)
BC wave (twin-wall)
EBC wave (Three-shaft)
