80g Print Copier Paper

Specifications:
sheet size:210mm x 297mm, international size a4
quality: imported 100% virgin wood pulp
whiteness = 102-110% brightness, natural white
capability: high speed copying100ppm, laser
capable,inkjet capable, fax capable.
Thickness: 103-110 um
surface roughness ts mlmin: 75-175
surface roughness bs mlmin: 100-200
bending stiffness md: >110 mn
bending stiffness cd: >50 mn
cie whiteness: 167
cobb test: 27-33 gm2 27-33
key performance:
no jam in photocopy machine
no double feed
stay flat after copying
leave no dust in the copy-machine
nice appearance-white and clean
nice touch-smooth and bulky
no see through-print both sides