WISA-Birch Premium

WISA-Birch Premium

 WISA-Birch Premium is the perfect choice when a beautiful, light visual look is desired without compromising good strength properties. It makes a good base for different surface treatments such as lacquering, varnishing and wood staining. It is therefore ideal used for visually demanding applications and end uses, such as furniture and interior lining applications.

Properties

  • Stylish and sustainable
  • Strong and light
  • Naturally beautiful
  • Wide size and thickness range available with strict tolerances
  • PEFC or FSC certified
  • Meets E1 formaldehyde emission requirements (EN 120:1992)

End-uses

  • Furniture
  • Interior linings

 
Bonding

Weather resistant gluing according to EN 314-2 class 1 Exterior or interior gluing according to EN 314-2 class 1 Interior. On request deliveries according to EPA/CARB

Surface and edges

Face veneer quality Premium
Surface BB fo reverse side.

Panel size

Standard panel sizes:
1220 x 1220/2440/2500/3050 mm 
1250 x 1250/2400/2500/3000 mm 
1500 x 1500/2400/2500/3000 mm 
1525 x 1525/2440/2500/3050 mm 

Size tolerance ±1 mm/1000 mm.
Squareness tolerance ±1 mm/1000 mm.

Thicknesses and weights

Nominal thickness (mm) ​Number of plies Thickness  Weight (kg/m2) abt
    min. - max.  
6.5 5 6.1 - 6.9 4.4
9 7 8.8 - 9.5 6.1
12 9 11.5 - 12.5 8.2
15 11 14.3 - 15.3 10.2
18 13 17.1 - 18.1 12.2
21 15 20.0 - 20.9 14.3
24 17 22.9 - 23.7 16.3
​27 ​19 ​25.2 - 26.8 ​18.4
​30 ​21 ​28.1 - 29.9 ​20.4

Sizes and thicknesses relating to moisture content 8–12 %.
Thicknesses and tolerances fulfils the requirements of EN 315 (Plywood - Tolerances for dimensions) and are in part stricter.