








|
Items |
Gramme Unit |
Black Paperboard |
|||||
|
|
|
110 |
150 |
250 |
300 |
350 |
400 |
|
Basis Weight |
g/㎡ |
110±5 |
150±5 |
250±5 |
300±5 |
350±5 |
400±5 |
|
Thickness |
mm |
0.13±1 |
0.19±1 |
0.31±1 |
0.37±1 |
0.44±1 |
0.50±1 |
|
Stiffness |
g/㎡ |
0.76 |
0.76 |
0.76 |
0.76 |
0.76 |
0.76 |
|
Burst Index |
Kpa.㎡/g |
2.7 |
3.5 |
5.35 |
6.2 |
6.9 |
7 |
|
Folding endurance/MD |
time |
250-350 |
350-450 |
500 |
390 |
180 |
190 |
|
Moisture |
% |
8 |
8 |
8 |
8 |
8 |
8 |
|
Ink absorption |
% |
29 |
29 |
29 |
29 |
29 |
29 |
|
Ply Bonding |
J/㎡ |
180 |
180 |
180 |
180 |
180 |
180 |






















