Features:1.100% wood pulp, high stiffness, two-sided printing with high speed ,Anti-curl quality reduces paper jams;2. 500 sheets of paper guarantee in each ream.Welcome OEM.
Basis weight | g/m² | 70 | 75 | 80 | |
Caliper | um | 95 | 100 | 105 | |
Brightness | % | 103±1 | |||
CIE | 158±5 | ||||
Opacity ≥ | % | 91 | 92 | 93 | |
Cobb | g/m² | 25-30 | |||
Smoothness | average of both side ≥ | s | ≥22 | ||
difference of bothsides ≤ | % | ≤15 | |||
Roughtness ≤ | Mi/min | 200-350 | |||
Dirt/(0.3-1.5mm²) | Point/m² | ≤60 | |||
Stiffness ≥ | mN | 75 | 87 | 100 | |
Moisture | % | 5.0±0.5 | |||
Tensile stregth | MD | kg/mm | kg/mm | ≥4.5 | |
CD | ≥2.0 | ||||
Wax picking | ≥14 | ||||
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