60/70g/80g Factory Directly Offset Printing Paper Sheet or Roll
Specifications as in the excel:
Grammage |
g/m2 |
60 |
70 |
75 |
80 |
90 |
100 |
120 |
Caliper |
mm |
75 |
85 |
89 |
94 |
105 |
114 |
134 |
Bulk |
cm3/g |
1.25 |
1.21 |
1.19 |
1.18 |
1.17 |
1.14 |
1.12 |
Brightness, ISO 2469 |
% |
99±1 |
99±1 |
99±1 |
99±1 |
99±1 |
99±1 |
99±1 |
Opacity |
% |
89 |
91 |
92 |
93 |
94 |
95 |
97 |
Smoothness |
S |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
Breaking Length |
KM |
≥3.6 |
≥3.6 |
≥3.6 |
≥3.6 |
≥3.6 |
≥3.6 |
≥3.6 |
Fold |
Times |
≥12 |
≥12 |
≥12 |
≥12 |
≥12 |
≥12 |
≥12 |
IGT |
m/s |
≥1.6 |
≥1.6 |
≥1.6 |
≥1.6 |
≥1.6 |
≥1.6 |
≥1.6 |
Cobb Sizing |
gsm |
≤40 |
≤40 |
≤40 |
≤40 |
≤40 |
≤40 |
≤40 |
Moisture |
% |
6±2 |
6±2 |
6±2 |
6±2 |
6±2 |
6±2 |
6±2 |
Offset board:55g~400g
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