Grey BoardDescription:
1). Grey Board is used for book cover, files clipper and packing boxes converting purpose with our quality Grey Board
2). Thickness: 0.3-5.0mm
3). Substance: 250-3500gsm
4). Laminated: 2 side grey, grey with white back, white with white back, Grey with black back ect.
5). Size: multi sizes both in sheets or in reels
Grey Board Features:
1). Good smoothness and stiffness
2). Strong folding strength
3). Multi sizes cutting available
4). Clean cutting and export packing
Grey Board Technical Data:
| Parameter |
Unit |
Value |
| Basis weight |
gsm |
250-3500gsm |
| Thickness |
mm |
0.3-5.0 |
| Tensity |
g/gm3 |
0.60 |
| Moisture |
% |
10 |
| Stiffness |
mN.m/100g |
≥5 |
| PH value |
|
6-7.5 |
