photocopy paper, A4 copy paper

They are two quality :
1. Mixed wood pulp( featuring ordinary quality , and ordinary brightness )
2. 100% wood pulp ( featuring super quality , and super brightness)
And as for the super quality , they are two quality which depend on the brightness ,
1. 98%-102% brightness ( super quality , and super brightness),
2.106%-108% brightness ( high super quality , and high super brightness),
The Spec.belowing :
1. GSM :70 \75 \80 GSM in weight
2. Size : 8.5'*11' (216mm*279mm), A4(210mm*297mm) , 8.5'*13'(216mm*330mm).
Specifications:
Super premium multi-purpose A4 papers no recycling.
Basic weight: 70 , 75, 80g/m2,
Moisture 3.5%-4.5%,
Whiteness: >98%
Thickness: 103-110 um
Surface roughness TS ml/min: 75-175
Surface roughness BS ml/min: 100-200
Bending stiffness MD: >110 Mn
Bending stiffness CD: >50 Mn
Opacity: >94%
Brightness: 101-104%
CIE whiteness: 148-152
Cobb Test: 27-33 g/m2 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
Been developed for : Photocopy Machines, Laser Printers, Ink-jet Printers, Fax