|
Parameters
|
45 g
|
48.8 g
|
52 g
|
|
Basis weight, g/m2
|
45 +/- 1.7
|
48.8 +/-1.7
|
52 +/-1.7
|
|
Fibre mix
|
TMP - 15% Broke - 0% Pulp - 10-12% SGW - the rest
|
|
Brightness, %
|
min 60
|
min 60
|
min 60
|
|
Thickness, mm
|
max 0.08
|
max 0.085
|
max 0.095
|
|
Density, g/cm3
|
min 0.57
|
min 0.57
|
min 0.56
|
|
Bulk, cm3/g
|
max 1.75
|
max 1.75
|
max 1.8
|
|
Moisture content, %
|
8.5 +/-1.5
|
8.5 +/-1.5
|
8.5 +/-1.5
|
|
Tear resistance in CD, mN
|
min 220
|
min 230
|
min 250
|
|
Opacity,%
|
min 93
|
min 94
|
min 96
|
|
Smoothness (Bekk), sec
|
45 +/- 10
|
45 +/- 10
|
45 +/- 10
|
|
Breaking length in MD, m
|
min 3700
|
min 3800
|
min 3800
|
|
Porosity (Bendtsen), ml/min
|
max 250
|
max 250
|
max 250
|
|
Elongation, %
|
min 0.9
|
min 0.9
|
min 0.9
|
|
Shade
|
a = - 0.35 +/- 0.15 b = 3.5 +/- 0.5
|
|
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