Duplex Board Grey Back

Duplex Board Grey Back

Our Grey Back Duplex Board is specifically engineered for packaging manufacturers, printers, and converters who require a cost-effective yet high-quality paperboard for a wide range of applications. With its characteristic grey side and premium white top surface, this board delivers the perfect balance of strength, printable, and economy.
Description

Product Overview

 

 

Our CAD Plotter Paper is specifically designed for architects, engineers, and design professionals who demand precision and reliability in their large-format printing. This professional-grade media delivers exceptional line definition, consistent ink acceptance, and dimensional stability for all your technical drawings and CAD applications.

 

Grammage

Application

230gsm - 250gsm

Lightweight packaging, medicine boxes, and small cosmetic cartons

300gsm - 350gsm

General consumer electronics, toy packaging, and shoe boxes

400gsm - 450gsm

Heavy-duty industrial packaging, hardware tool boxes, and large gift cartons

 

Technical Specifications

 

Grammage Available:

230gsm, 250gsm, 300gsm, 350gsm, 400gsm.

Material:

Multi-layer structure with recycled fiber and virgin pulp coating.

Surface:

Clay-coated top for superior ink receptivity.

Performance:

High stiffness and folding resistance to maintain box integrity.

 

Why Choose Our?

 
  • Superior Printability: The smooth top coating ensures uniform ink absorption and clear imagery.

  • Structural Strength: High bursting strength and rigidity prevent deforming under pressure.

  • Eco-Friendly: Utilizing recycled fibers; FSC certified materials safe for varied environments.

  • Reliable Packaging: Protective wrapping ensures the board remains flat and moisture-free.

1

 

Export Packaging & Loading

 

 

Sheet Packing:

100 sheets per kraft wrapped pack or bulk on pallets.

Palletization:

Reinforced wooden pallets with corner protectors and PE stretch film.

Container Loading:

Approx. 15 - 16 Tons per 20'FCL and 25 - 26 Tons per 40'FCL.

 

Duplex Board
Item Unit Standard
Basis Weight g/m² 230 250 300 350 400 450
Weight Range % ±5
Thickness   µm 280±15 310±15 370±15 440±15 505±15 565±15
Stiffness CD(Tabor 15° ) ≥ mN.m 1.7 2.0 4.0 5.5 8.5 11.0
Stiffness MD(Tabor 15° ) ≥ mN.m 3.4 4.0 8.0 11.0 17.0 22.0
MOISTURE % 7.5±2.0  
Brightness (TOP) ≥ % 77
Roughness ≤ µm 2.0
Gloss 75° ≥ % 50
Color(D65/10°) L ≥89.0
a 1.5±1.0
b -2.5 ± 1.0
COBB60 g/m2 TOP≤50, BACK≤150
INK ABSORBENCY K&N % ′5-20
>0.3mm² Dirt 个/m² ≤40
<1.5mm² Dirt 个/m² Not Allowed

 

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