Material Guide

Label Paper Weight and Stiffness Guide

Paper grammage and stiffness decide how the label prints, die cuts, dispenses and feels on the product.

Label paper weight and stiffness selection diagram
Grammage, thickness and finish decide paper stiffness for printing, die cutting and dispensing.

Quick Answer

Paper weight is measured in grams per square meter (gsm), while stiffness depends on both grammage and thickness. Heavier, thicker paper is stiffer and feels more premium, but it needs more die pressure and can be harder to dispense on small containers. Choose by how the label must print, die cut, apply and feel.

Key Properties

Grammage (gsm)
Paper weight per square meter; higher gsm means heavier, thicker paper.
Caliper (thickness)
Physical thickness, which sets the die cut depth and dispensing behavior.
Stiffness
Resistance to bending, driven by grammage, thickness and coating.
Finish
Coated, uncoated, gloss or matte, which affects print and feel.

How Weight Affects Production

  • Printing: coated and higher-grammage paper holds print better and feels premium.
  • Die cutting: thicker paper needs more pressure and a sharper die.
  • Dispensing: stiff paper releases more easily from the liner; thin paper can fold.
  • Container fit: stiff paper fights small or curved containers, while thin paper conforms.

Paper Weight Selection Diagram

Label paper weight and stiffness selection flow
Match grammage and stiffness to print, die cut, dispensing and container.

Buying Checklist

  • Grammage and thickness
  • Finish: coated, gloss or matte
  • Die cutting pressure and depth
  • Container size and curvature
  • Dispensing behavior on the applicator

FAQ

What does gsm mean?

Gsm is grams per square meter, the standard measure of paper weight. Higher gsm means heavier, thicker paper.

Does heavier paper always feel more premium?

Usually yes, but too stiff a paper can fight small or curved containers and be hard to dispense.

How does paper weight affect die cutting?

Thicker paper needs more die pressure and a sharper die to cut cleanly without cutting the liner.

What is caliper?

Caliper is the physical thickness of the paper, which sets the die cut depth and dispensing behavior.

What information should I send before asking for a quotation?

Send the grammage, finish, container type, die cutting needs and dispensing requirements.

Ask an Engineer

Not sure which paper weight fits your labels?

Send us your grammage, finish and container type. MWELLPACK can help you choose the right paper.

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