A4 COPY PAPER
A4 copy paper
A4 copy paper Specifications 1) High Smoothness, 2) fine paper surface, colour fidelity, 3) suitable for high speed copiers and laiser printers. 1. Technical Specifications Basis Weight g/m2 70 75 80 Caliper um 95 100 105 Brightness % 100% 108% Opacity ≥ 91 92 93 Cobb G/m2 25 27 30 Smoothness Average of both sides ≥ 25s 25s 25s Difference of both sides ≤ 15% 15% 15% Roughness ≤Ml/min 330 330 330 Dirt(0.3-1.5mm2) Point/m2≤ 40 40 40 Stiffness ≥mN 75 90 100 Moisture content % 5