Bulk Norbook Super

Basic Properties

Basic Weight (nominal) gsm 55 65
Moisture Content % 8.0 8.5


Structural Properties

Caliper μm 120 140
Roughness (max) μm 5.0 5.0


Optical Properties

Brightness ISO 68.9 68.9
Opacity (min) % 90.0 91.5
L* unit 91.4 91.4
a* unit -0.4 -0.4
b* unit 9.9 9.9


Mechanical Properties

Tear index, CMD mN 425 500
Tensile index, MD kN/m 2.6 2.6
Stretch, MD % 1.2 1.2
       

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