A4 copy paper

We are offering a4 and a3 copy paper. Specifications copy a4 paper : description data value unit basis weight 80 + 4 % (max) gsm thickness 0.100 - 0.115 mm tensile strength md 4.00 - 5.00 kg 15 mm tensile strength cd 2.50 - 3.50 kg 15 mm tear resistance md 45 - 55 gf tear resistance cd 50 - 60 gf brightness (white only) 98 (min) % iso color shade l 92.00 - 94.00 - color shade a 2.00 - 2.70 - color shade b -9.00 - (-10.00) - opacity 90 (min) % cobb test 20 - 30 gm² stiffness md 9.00 - 12.00 gf.cm stiffness cd 5.00 -9.00 gf.cm moisture content 4.00 - 6.00