Norbook

Basic Properties

Basic Weight (nominal) gsm 50  
Moisture Content % 8.0  


Structural Properties

Caliper μm 120  
Roughness (max) μm 5.0  


Optical Properties

Brightness ISO 60.8  
Opacity (min) % 91.0  
L* unit 87.2  
a* unit -0.6  
b* unit 9.8  


Mechanical Properties

Tear index, CMD mN 390  
Tensile index, MD kN/m 2.5  
Stretch, MD % 1.1  
       

Note: (1) Values shown are typical values; normal operational variances occur(2) Shade controlled to L*, a*, b*, ISO approximate

Production Data

Mill of supply Boyer
Roll width range 300mm - 2060mm
Diameters (mm) 1015 - 1250
Core size 76mm (inner)

Environment

Certification