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Material guide · 5 min read

Duplex board or kraft liner: choosing board for cartons and boxes

One is built to be printed, the other to carry load. Picking the wrong one costs either shelf appeal or stacking strength.

notes from our own lines

Buyers new to paper packaging often ask for "board" and leave the choice to the supplier. The two most common recycled boards in India do very different jobs.

Duplex board

Duplex is a layered board with a lighter top surface made for printing. It is the standard material for folding cartons: medicine boxes, food cartons, cosmetics and other retail packs where the outside must look right. It is specified by GSM, caliper and top-side shade.

Kraft liner

Kraft liner is a strong board used for the faces of corrugated board. It carries the compression load in shipping boxes. It is specified by GSM and burst factor, and often by ring crush for stacking.

Using them together

Many products use both: a printed duplex carton for the shelf, packed in a corrugated shipper made with kraft liner. Specify each for its own job instead of compromising one material for both.

What to send a supplier

  • Pack type and contents weight
  • Print requirement and finish
  • Stacking and transport conditions
  • Annual volume

Questions

Can duplex board be used for shipping boxes?

It is not designed for heavy shipping loads. Use corrugated board with kraft liners for transit, and duplex for the printed retail carton inside.

Duplex board: what should buyers know?

Duplex is a layered board with a lighter top surface made for printing. It is the standard material for folding cartons: medicine boxes, food cartons, cosmetics and other retail packs where the outside must look right. It is specified by GSM, caliper and top-side shade.

Kraft liner: what should buyers know?

Kraft liner is a strong board used for the faces of corrugated board. It carries the compression load in shipping boxes. It is specified by GSM and burst factor, and often by ring crush for stacking.

Using them together: what should buyers know?

Many products use both: a printed duplex carton for the shelf, packed in a corrugated shipper made with kraft liner. Specify each for its own job instead of compromising one material for both.

What to send a supplier: what should buyers know?

Pack type and contents weightPrint requirement and finishStacking and transport conditionsAnnual volume

What does Bollant Industries make?

Recycled paper and board, industrial paper products such as cores and cones, corrugated and printed packaging, paper tableware, areca and sal leaf tableware, inks, adhesives and laminating films, and a small home and professional care range.

Where is Bollant Industries based?

The head office is in Somajiguda, Hyderabad, and the manufacturing units are in Telangana and Karnataka.

How do I request a quotation?

Use the request-a-quote form. Choose the enquiry type, the product and your market, then describe the requirement. Only the essential fields are required.

Bollant Industries · Published 2026-09-10

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Paper web on the machine

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