A4 SIZE COPY PAPER ORIGIN : THAILAND GSM : 70,75 AND 80 Parameter Methods Values Basis weight (g/m2) ISO 536 80 Thickness (gm) ISO 534 107 Whiteness CIE ISO 11475 165 D65 Brightness (%) ISO 2470 111 Opacity {%) ISO 2471 >95 Moisture content (%) ISO 287 4 Bendtsen roughness(ml/min) ISO 8791-2 70 Kodak Stiffness MD(mN.m) ISO 5629 >0.40 Kodak Stiffness CD(mN.m) ISO 5629 >0.16 Bending Stiffness MD (mN) ISO 2493 > 110 Bending Stiffnes CD (mN) ISO 2493 > 50
