School Book publications, Annual Reports, Journals, Diaries, Leaflets / mailers, Writing Pads etc.
Properties | Unit | 58gsm | 60gsm | 64gsm | 68/70gsm | 75gsm | 80gsm | 90/95gsm | 100gsm | 120gsm* | Tolerence |
---|---|---|---|---|---|---|---|---|---|---|---|
Substance | gsm | 58 | 60 | 64 | 68/70 | 75 | 80 | 90/95 | 100 | 120 | AVG±2.5% |
Bulk | cc/g | 1.25 | 1.25 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | Min. |
Brightness, ISO | % | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | Min. |
Whiteness, CIE | % | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 | Min. |
Opacity, ISO | % | 89 | 91 | 92 | 93 | 94 | 94 | 95 | 95 | 96 | Min. |
Bendtsen Smoothness (T) | ml/min | 130 | 130 | 130 | 130 | 130 | 130 | 150 | 150 | 150 | Max. |
Bendtsen Smoothness (B) | ml/min | 150 | 150 | 150 | 150 | 150 | 150 | 200 | 200 | 200 | Max. |
Gurley Porosity | s/100ml | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | Min. |
Wax Pick | No | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | Min. |
Cobb-60 | gsm | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | Max. |
Breaking Length-MD | meter | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | Min. |
Breaking Length-CD | meter | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | Min. |