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Properties | Unit | 50/52gsm | 54/55gsm | 57/58gsm | 60gsm | 64gsm | 68/70gsm | 80gsm | 90gsm | 100gsm | 110/120gsm* | Tolerence |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Substance | gsm | 50/52 | 54/55 | 57/58 | 60 | 64 | 68/70 | 80 | 90 | 100 | 110/120 | AVG±2.5% |
Bulk | cc/g | 1.35 | 1.35 | 1.35 | 1.35 | 1.32 | 1.30 | 1.28 | 1.25 | 1.20 | 1.18 | Min. |
Brightness, ISO | % | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | Min. |
Whiteness, CIE | % | 130 | 130 | 130 | 130 | 130 | 130 | 130 | 130 | 130 | 130 | Min. |
Opacity, ISO | % | 84 | 86 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 94 | Min. |
Bendtsen Smoothness (T) | ml/min | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | Max. |
Bendtsen Smoothness (B) | ml/min | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | Max. |
Gurley Porosity | s/100ml | 15 | 15 | 15 | 15 | 15 | 15 | 20 | 20 | 20 | 20 | Min. |
Wax Pick | No | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 12 | Min. |
Cobb-60 | gsm | 25 | 25 | 25 | 25 | 30 | 30 | 30 | 30 | 30 | 30 | Max. |
Breaking Length-MD | meter | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 3800 | 3800 | 3800 | Min. |
Breaking Length-CD | meter | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | Min. |