Two Types Of Copy Paper

Two Types Of Copy Paper

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) .
Economy type:
- grammage: ( 80 + - 3) g/ sm
- caliper: ( 106 + - 4) mm/ 1000
- stiffness L& W:
MD min 100 mN
CD min 40 mN
- roughness bendtsen: ( 200 + - 50) ml/ min
- CIE whiteness: 146 + - 3
- brightness with UV: ( 103, 5 + - 1, 5) %
- opacity: min 90 % .
Allround type:
- grammage: ( 80 + - 3) g/ sm
- caliper: ( 106 + - 3) mm/ 1000
- stiffness L& W:
MD min ( 125 + - 15) mN
CD min ( 60 + - 10) mN
- roughness bendtsen: ( 200 + - 50) ml/ min
- CIE whiteness: 160 + - 3
- brightness with UV: ( 110 + - 1, 5) %
- opacity: min 91 % .