Double A4 Paper

100% wood pulp copy paper : 210mm x 297mm, international size a4 2. Quality: imported 100% virgin wood pulp 3. Whiteness = 102-104% , natural white 4. Thickness: 103-110 um 5. Surface roughness ts ml min: 75-175 6. Surface roughness bs ml min: 100-200 7. Bending stiffness md: > 110 mn 8. Bending stiffness cd: > 50 mn 9. Cie whiteness: 161-167 10. Cobb test: 27-33 g m2