Duplex board 1.Grammage: 250-500gsm 2. Usage:for packing industry 3.Regular Size: sheet or roll
Duplex board
1.Name: Duplex board with grey back/white back
2.Grammage: 250-500gsm
3.Usage:for packing industry
4.Regular Size: 787*1092mm,889*1194mm,700*1000mm and we can produce according to your requirements
5. Regular Packing: on pallets
6. Samples: Free
1 | Substance | g/m2 | 250 | |
2 | Substance control | g/m2 | ±8 | |
3. | Thickness | um | 295±10 | |
4 | Thickness difference control | % | 4.0 | |
5 | Surface absorbing weight | Top side | g/m2 | 50 |
Wire side | g/m2 | 120 | ||
6 | Gloss weight | % | ≥35 | |
7 | Stiffness | mN.m | 2.30 | |
8 | Dirt (0.3-1.5 mm2) >1.5mm2 Black (0.3-1.5 mm2) |
Point/m2 | ≤20 | |
0 | ||||
≤4 | ||||
9 | Moisture content | % | 6.5±1 | |
10 | Brightness | Top side | % | 80-85 |
Wire side | % | 78 | ||
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High stiffness duplex board for Express envelopes
