| Model: | A4 A3 B4 B5 |
|---|---|
| Brand: | Zunhuang |
| Origin: | Made In China |
| Category: | Packaging , Printing & Paper / Paper / Office Paper |
| Label: | A4 paper 80gsm , copy paper A4 , office paper A4 |
| Price: |
US $1.98
/ ream
|
| Min. Order: | 7520 ream |
| Last Online:20 Jul, 2012 |
|
Basis weight
|
gsm
|
70
|
75
|
80
|
|
|
Caliper
|
um
|
95
|
105
|
105
|
|
|
Brightness
|
%
|
92-95% 100-103% 107-110%
|
|||
|
CIE
|
|
165±5
|
|||
|
Opacity≥
|
%
|
91
|
93
|
93
|
|
|
Cobb
|
gsm
|
25～30
|
|||
|
Smoothness
|
Average of both sides ≥
|
S
|
≥25
|
||
|
Difference of both sides≤
|
%
|
≤15
|
|||
|
Roughness
|
MI/min
|
230
|
|||
|
Dirt
|
Point/ square meter
|
≤40
|
|||
|
Stiffness
|
mN
|
75
|
88
|
100
|
|
|
Moisture content
|
%
|
5.0±0.5
|
|||
|
Tensile strength
|
MD
|
Kg/mm
|
≥4.5
|
||
|
CD
|
≥2.0
|
||||
|
Wax picking
|
|
≥14
|
|||
