|
| Property |
Units |
Typical Values | |||
|
Basis Wt |
fb/3000 ft^2 |
30 |
33 |
40 |
50 |
|
gsm |
48.8 |
53.7 |
65.1 |
81.4 | |
|
Caliper |
0.001 in |
2.8 |
3.0 |
3.8 |
4.6 |
|
microns |
71 |
76 |
97 |
117 | |
|
Moisture |
% |
5.5 |
5.5 |
5.5 |
5.5 |
|
Brightness |
GEB |
82 |
82 |
82 |
82 |
|
Smoothness, FS |
Sheffield |
170 |
190 |
230 |
230 |
|
Smoothness WS |
Sheffield |
170 |
190 |
230 |
230 |
|
Tear, MD |
gf |
51 |
55 |
70 |
86 |
|
mN |
500 |
539 |
686 |
843 | |
|
Tear, CD |
gf |
60 |
65 |
80 |
96 |
|
mN |
588 |
637 |
785 |
941 | |
|
Tensile, MD |
lbf/in |
18 |
19 |
25 |
34 |
|
kN/m |
3.2 |
3.3 |
4.3 |
6 | |
|
Tensile, CD |
lbf/in |
13 |
13 |
18 |
22 |
|
kN/m |
2.3 |
2.3 |
3.1 |
3.8 | |
|
Stretch, MD |
% |
2.2 |
2.2 |
2.2 |
3.3 |
|
Stretch, CD |
% |
4 |
4 |
4.5 |
5.2 |
|
TEA, MD |
ft-lbf/ft^2 |
2.4 |
2.7 |
3 |
8.2 |
|
J/m^2 |
35 |
40 |
44 |
120 | |
|
TEA, CD |
ft-lbf/ft^2 |
4.1 |
4.5 |
5.3 |
9.2 |
|
J/m^2 |
60 |
65 |
77 |
135 | |
|
Gurley Porosity |
sec |
2 |
4 |
5 |
8 |