A4 80gsm 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
Colour Shade L 92.00 - 94.00 -
Colour Shade a 2.00 - 2.70 -
Colour Shade b -9.00 - (-10.00) -
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 %