Thickness Difference Cd % Equal To/Below 10 Brightness % 100-10Available gram mage is 70g, 75g and 80g. Our paper products are classified in grades A, B, C or D. All multipurpose copy paper iOpacity % Equal To/Below 90Breaking Length Average M Equal To/Above 3200 8 Smoothness Average Of Two Sides G 20-25 Variation Of Two Sides % Equal To/Below 30Surface Absorbing Weight G/M2 Equal To/Below 30 Shrinking Variation Cd % Equal To/Below 2.8Folding Endurance Cd Times Equal To/More Than 15 Dirt (0.2-1.5 Mm2) Point/M2 Equal To/Below 65 More Than. 5Mm2 0Moisture Content % 4.5-6.0Ash % Equal To/Below 16.0 Sizing Mm Equal To/More Than 0.75MmSubstance :80G/M2Brightness : 100% Whiteness : Cie 167 Thickness : 110 UmOpacity : 95%Roughness : 140 Ml/MinSheets/Reem : 500 SheetsQuality / Safety Certification:And in one 20FCL they will be packed.500 Sheets per Ream