Copy Paper A4. A4 Copy Paper. A4 Printing Paper. Office Paper (A4)
Class
A
ISO 9001
Basic Weight g/m2 ISO 536 80
Thickness mm/1000 ISO 534 111
Bending stiffness CD mN ISO 2493 145 68
Surface roughness BS ml/min ISO 8791-2 200
CIE Whiteness ISO 11475 166
UV Whiteness % ISO 2470 113
Opacity % ISO 2471 min 91,5
Moisture % ISO 287:1994 3,8-5,0
Class
B
ISO 9001
Basic Weight g/m2 ISO 536 80
Thickness mm/1000 ISO 534 106
Bending stiffness CD mN ISO 2493 125 60
Surface roughness BS ml/min ISO 8791-2 200
CIE Whiteness ISO 11475 161
UV Whiteness % ISO 2470 110
Opacity % ISO 2471 min 91
Moisture % ISO 287:1994 3,8-5,0
Class
C
ISO 9001
Basic Weight g/m2 ISO 536 80
Thickness mm/1000 ISO 534 106
Bending stiffness CD mN ISO 2493 122,5 55
Surface roughness BS ml/min ISO 8791-2 200
CIE Whiteness ISO 11475 146
UV Whiteness % ISO 2470 103,5
Opacity % ISO 2471 min 90
Moisture % ISO 287:1994 3,8-5,0