Knowledge Center

Material Guide

Label Release Liner Guide

The release liner supports the label through die cutting and dispensing, so its release force and strength must match the label and applicator.

Label release liner selection diagram
Release force, thickness and liner strength decide clean die cutting and reliable dispensing.

Quick Answer

The release liner is the backing that carries the label until it is applied. Choose it by release force, how easily the label peels off, and by liner strength, so it survives die cutting and rewinding without breaking. A liner that is too tight is hard to dispense, while one that is too weak breaks during converting or application.

Liner Properties

Release force
How easily the label separates; light, medium or tight release matched to label size and application.
Thickness
Affects stiffness, die cutting depth and how the liner runs on the applicator.
Weight (grams per square meter)
Higher weight means a stronger, stiffer liner that resists breaking.
Silicone coating
Controls release force and must be uniform for consistent dispensing.

How the Liner Affects Production

  • Die cutting: the liner is the kiss-cut floor, so its strength sets how deep the die can cut.
  • Matrix stripping: a strong liner holds while the waste matrix is pulled away.
  • Dispensing: release force decides how cleanly the label peels on the applicator.
  • Rewinding: liner stiffness and thickness affect how the finished roll winds.

Liner Selection Diagram

Label release liner selection flow by release force and strength
Match release force and liner strength to the label and the application line.

Buying Checklist

  • Label size and shape
  • Release force needed for clean dispensing
  • Liner thickness and weight
  • Die cutting and matrix stripping requirements
  • Applicator or barcode printer compatibility

FAQ

What is release force?

Release force is how easily the label separates from the liner. Light release peels easily, while tight release holds more firmly.

Why does the liner break during die cutting?

A liner that is too thin or weak cannot support the kiss cut, or the die is cutting too deep into the liner.

Does liner weight matter?

Yes. A higher weight liner is stronger and stiffer, which helps it survive converting and run reliably on the applicator.

How does the liner affect dispensing?

Release force and stiffness decide how cleanly and reliably the label peels off on the labeling machine.

What information should I send before asking for a quotation?

Send the label size, die cutting needs, applicator type and whether you need light or tight release.

Ask an Engineer

Not sure which release liner fits your labels?

Send us your label size, die cutting needs and applicator type. MWELLPACK can help you choose the right liner.

Ask an Engineer Send Your Label and Applicator Data

Related Articles

Label Adhesive Types Guide PET, PP and BOPP Film Guide Label Material Cost Reference Die Cut Incomplete or Through Liner

Related Machines

Rotary Die Cutting Machine

Kiss cuts labels where the liner is the cut-depth floor.

View machine guide

Digital Label Finishing Machine

Finishes labels with die cutting and matrix removal over the liner.

View machine guide

Inspection Slitter Rewinder

Rewinds finished labels where liner stiffness affects roll quality.

View machine guide