Specification :

letter size copy paper

Basic weight: 70 , 75 , 80g/ m2,
Size : 70 , 75, 80GSM 8.5* 11, A4, 8.5* 13, A3, 11* 17, and foolscap paper sheet is 17 x 13.5inches
( 432x343 mm) .
Moisture 3.5% -4.5% ,
Whiteness: > 98%
Thickness: 103-110 um
Surface roughness TS ml/ min: 75-175
Surface roughness BS ml/ min: 100-200
Bending stiffness MD: > 110 Mn
Bending stiffness CD: > 50 Mn
Opacity: > 94%
Brightness: 101-104%
CIE whiteness: 148-15
Cobb Test: 27-33 g/ m2 27-33