
PB10 · Structure & performance
Duplex Board
Coated white top and grey back paperboard for printed folding cartons.Nominal range covers documented grades. Confirm the selected grade and order specification.
Product overview
What is Duplex Board?
Duplex Board has a coated white printing face and a grey reverse. It is designed for printed folding cartons, sleeves and secondary packaging.
Select the grade by nominal grammage, caliper, stiffness and carton geometry. Confirm printing, creasing and folding against a converted sample.
Material direction
Built around the finished structure.
Select the board by thickness, construction, stiffness and the operations it must pass through.Material highlights
- Coated white face for graphics and print finishing.
- Grey reverse for general folding-carton construction.
- Grade-specific caliper and stiffness for converting.
Typical applications
- Shoe and toy boxes
- Household and hardware cartons
- Printed sleeves and secondary packaging
How to compare stiffness and Cobb values across data sheets
Start with the board grade and grammage on each sheet. Then check the test conditions before comparing the reported values.
| Metric | What to check |
|---|---|
| Bending stiffness | Test method and revision, machine or cross direction (MD or CD), bending angle and span where applicable, conditioning and reporting unit. |
| Cobb water absorptiveness | Test method and revision, exposure time, side tested (coated face or grey back), and reporting unit. |
| Acceptance | Ask whether the figures are typical values or agreed limits. Request the current technical data sheet for the grade you intend to buy. |
Buying guide for this material
Use this guide alongside the grade-specific document and physical sample when preparing your order.
- Prepare a paperboard specification for comparable quotations
Define the supplied construction, converting requirements and agreed acceptance criteria before comparing offers.
Practical questions
Before you specify.
Which nominal grades are documented?
200, 230, 250, 270, 300, 350 and 400 gsm.
Technical reference


