Product Description
Duplex Board with Grey Back/Duplex Board/Grey duplex board
1. Gsm from 180 to 400g.
2. Roll and Sheet, the size can be customized
3. Delivery day: About 20-30 days
Feature
Coated duplex board is a type of boxboard with a glossy coated surface on one side for superior printability.
1. Standard weight, high standard stiffness, even thickness, coated surface, good smoothness and PPS.
2. Outstanding paper stiffness is a strong support for carton laminating and die-cutting.
3. Good surface decoration feature assures excellent calendaring, hot-stamping and laminating result.
4. with the advanced operation idea and international standard production quality insurance
Usage:
1. The coating is smooth, clean and neat, it can adapt the multicolor and high speed printing
2. with high performance corrugating medium and linerboard for the outer layer of corrugated board.
3. Good smooth and thickness, widely used and supplied in printing and packaging of food, wine, toy, drug, shoe boxes and others.
Sheet Packing:
PE plastic wrapped, then packed on strong wooden pallets, 4 angles with strong protector Normal sheet packing: PE film wrapped, packed on strong wooden pallets, 4 angles with strong protector. 2:Ream packing:100sheets wrapped with strong PE coated Kraft paper, film wrapped, packed on wooden pallets.(with angle protector) 3. Roll package on pallet, plastic film wrapped.
Product Parameters
| Weight |
g/m2 |
Average |
220 |
240 |
250 |
290 |
300 |
340 |
350 |
400 |
450 |
| (Tolerance ) |
% |
|
220±10 |
240±10 |
250±10 |
290±10 |
300±10 |
340±10 |
350±10 |
400±10 |
450±10 |
| (Thickness) |
μm |
|
255±10 |
275±10 |
280±10 |
335±15 |
340±15 |
395±15 |
400±15 |
475±15 |
530±15 |
| (Brightness) |
% |
Front / Min |
≥78 |
≥78 |
≥78 |
≥78 |
≥78 |
≥78 |
≥78 |
≥78 |
≥78 |
| (Front smoothness) |
s |
Min. |
≥120 |
≥120 |
≥120 |
≥120 |
≥120 |
≥120 |
≥120 |
≥120 |
≥120 |
| (Moisture %) |
% |
Target |
6.5±1 |
7±1 |
7.5±1 |
8.5±1 |
| (COBB,60s) |
Front(g/m2) |
Max. |
<=60 |
<=60 |
<=60 |
<=60 |
<=60 |
<=60 |
<=60 |
<=60 |
<=60 |
| Black(g/m2) |
Max. |
<=150 |
<=150 |
<=150 |
<=150 |
<=150 |
<=150 |
<=150 |
<=150 |
<=150 |
| (Horizontal Stiffness) |
mN.m |
Min |
1.8 |
2 |
2.2 |
3.5 |
4 |
5.5 |
6 |
7.5 |
10 |
| (Burst index (strength) |
N.m/g |
Min. |
1.6 |
____ |
| (Horizontal Folding resistance) |
Times |
Min. |
6 |
4 |
| (Interlayer adhesion) |
J/m2 |
Min. |
120 |
| (Ink absorption) |
% |
Target |
12±2 |
Audited Supplier 
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