A4 copy paper that we export and supply is widely used in copy machine, laser printer, inkjet printer and others machines. Our double a paper is appreciated for its smoothness, clarity, brightness and low dust content. A4 copy paper that we offer is ideal for high volume office machines. In addition, we make available a4 copy paper in bulk and at the most competitive rates. Characteristic test method : Basis weight (g/m2) 80 International size a3 (297 x 420mm.) Cie whiteness 148152 Whiteness 102104%, natural white Thickness 103110 um Surface roughness ts ml/min 75175 Surface roughness bs ml/min 100200 Bending stiffness md >110 mn Bending stiffness cd >50 mn Cobb test >2733 g/m2 2733