Paper (A4 80 GSM)

Basis weight 80 + 4% (max) gsm Thickness 0.100 - 0.115 mm Tensile Strength MD 4.50 - 5.00 kg/15mm Tensile Strength CD 2.50 - 3.50 kg/15mm Tear Resistance MD 50 - 60 gf Tear Resistance CD 45 - 55 gf Brightness (white only) 98 (min) %ISO Colour Shade L 92.00 - 94.00 - Colour Shade a 2.00 - 2.70 - Colour Shade b -9.00 - (-20.00) Opacity 90 (min) % Cobb Test 20 - 30 g/m2 Stiffness MD 9.00 - 12.00 gf.cm Stiffness CD 5.00 - 9.00 gf.cm Moisture Content 4.00 - 6.00 % pH 8.50 - 9.50