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 %.