Jshow paper

Paper size: 210mm x 297mm, A4
Quality: 100% import
Whiteness : 102-104%, Natural White
Capacity: High-speed copy 100ppm, laser
Ability, inkjet ability, fax ability.
Depth: 103-110 microns
Surface roughness TS ml / min:75-175
Surface roughness BS ml / min:100-200
Bend stiffness MD: 110 Mn
Bend stiffness CD: 50 Mn
Whiteness: 102%-104
Cobb test: 27-33 g / m2 27-33
Key performance:
Photocopier No Paper Jam
No double-page feed
Keep flat after copying
Leave no dust on the copier
Nice look, white, clean
Smooth and bulky feel
I can't see the cross-print on either side.