Features Of A4 Paper One Copy Paper 80Gsm : 
Substance G/M2 80 + - 2.5 
- Substance Variation Cd
- Thickness Difference Cd % Equal To/Below 10
- Brightness % 100-102
- Opacity % Equal To/Below 90
- Breaking Length Average M Equal To/Above 3200 8 Smoothness Average Of Two Sides G 20-25 Variation Of Two Sides % Equal To/Below 30
- Surface Absorbing Weight G/M2 Equal To/Below 30
- Shrinking Variation Cd % Equal To/Below 2.8
- Folding Endurance Cd Times Equal To/More Than 15
- Dirt (0.2-1.5 Mm2) Point/M2 Equal To/Below 65 More Than. 5Mm2 0
- Moisture Content % 4.5-6.0
- Ash % Equal To/Below 16.0
- Sizing Mm Equal To/More Than 0.75Mm
- Substance :80G/M2
- Brightness : 100%
- Whiteness : Cie 167
- Thickness : 110 Um
- Opacity : 95%
- Roughness : 140 Ml/Min
- Sheets/Reem : 500 Sheets
- Quality / Safety Certification