Kraft Paper
Parameters | Unit | Value |
Substance | gsm | 25-500 |
Tensity | g/cm3 | ≥0.7 |
Break length | km | ≥6.3 |
Smoothness | s | ≥7 |
Moisture | % | 7-8 |
COBB | g/m2 | 50 |
Color | = | brown/white |
Description
Parameters |
Unit |
Value |
Basis weight |
gsm
|
40-160±5%
|
Tensile index |
g/cm3
|
≥0.55
|
Strength |
km
|
≥6.3
|
Tear resistance |
mN
|
290-1800
|
Thickness |
mm
|
0.08-0.30
|
COBB |
g/m2
|
≤30
|
Moisture |
%
|
6±5%
|
Smoothness |
sec
|
≥60
|
PH value |
8
|
|
Color |
unbleached brown, yellowish brown
|