Basis Weight 80 + 4% (max) gsm Thickness 0.100 - 0.115 mm Tensile Strength MD 4.00 - 5.00 kg/15mm Tensile Strength CD 2.50 - 3.50 kg/15mm Tear Resistance MD 45 - 55 gf Tear Resistance CD 50 - 60 gf Brightness (white only) 100 (min) %ISO Colour Shade L 92.00 - 94.00 - Colour Shade A 2.00 - 2.70 - Colour Shade B -9.00 - (-10.00) - Opacity 90 (min) %ISO 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 -