Product Description

Duplex Board grey back and white back(Triplex board)

    We can produce duplex board grey back and white back which are widely used printing industry for making various 

kinds of boxes.

1)We can produce grammages ranging from 230gsm up to 500gsm.

2)Our standard size here is 787X1092MM but customized sizes are welcome for such as 700X1000MM and rolls too.

3)MOQ:We usually load by 40GP or HQ which can load about 26 ton and MOQ is 10 ton for each special sizes and gsm.

4)Packing:Our standard packing is wood pallets with plastic films around the them and paperboard protectors around four edges.Steel plastic strip will be used to tighten up the pallets.

Technical specifications for Duplex and triplex board

Item			Unit	White back	Grey back
1	Basic Weight		g/m²	250 300 350 400 450 500
2	Tolerances of Grammage ≤		%	±5
3	Transverse Tolerances of Grammage ≤		%	4
4	Tightness ≤		g/m³	0.95	0.85
5	Brightness	surface	%	79	80
		back		70	—
6	Printing Strength ≤		m/s	4
7	Smoothness≥		s	30	50
8	Printing Gloss75° ≥		%	60
9	Ink Absorption		%	15-30
10	Printing strength on the surface ≥	Mid. viscous ink	m/s	0.8
		Low viscosity ink		2.5
11	Cobb.60s ≤	surface	m/s	55
		back		100
12	Lateral stiffness ≥	250g/m²	mN·m	2.0	2.20
		300g/m²		3.40	4.0
		350g/m²		5.0	6.50
		400g/m²		7.0	8.50
		450g/m²		9.0	12.0
		500g/m²		12.0	15.0
13	Dirt Content ≤	0.2mm²—1.0mm²	pcs/m²	40
		>1.0mm²—2.0mm²		4
		>2.0mm²		No
14	Moisture	≤300g/m²	%	6.5±1.5
		>300g/m²		8.5±1.5
15	Folding strength ≥		times	6
16	Bursting strength ≥	250g/m²	Kpa·m²/g	1.7

Payment Terms︰ TT,Western union

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