China Duplex Board with Grey Back for Packaging, Find details about China Coated Duplex Board with Grey Back, Top Craft Liner Board from Duplex Board with Grey Back for Packaging
Item | Unit | Property |
Gramm age <= | g/m2 | 230,250,300,350,400 ,450 ,500 |
Gramme tolerance <= | % | ±5 |
Width tolerance <= | % | ±5 |
Tightness<= | g/m2 | 0.80 |
Brightness ( coating side) ≥ | % | 82 |
Roughness <= | m/s | 2.4 |
Smoothness ≥ | s | 55 |
Printing brightness ≥ | % | 55 |