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Label Adhesive Bleed Problems

Adhesive oozing at the label edges comes from pressure, temperature and soft adhesive, and is fixed at the die and roll, not the label.

Label adhesive bleed causes and fixes diagram
Die pressure, temperature and roll tension drive adhesive bleed at the label edge.

Quick Answer

Adhesive bleed means the adhesive oozes out past the label edge after die cutting, slitting or rewinding. It is usually caused by too much die pressure squeezing the adhesive, warm storage softening it, or a soft adhesive that flows under the pressure of a tightly wound roll. Fix it by reducing die pressure, controlling temperature and lowering rewind tension.

Material Analysis

  • Soft adhesive: low-viscosity or soft adhesives flow more easily under pressure.
  • Temperature: heat softens adhesive and makes it flow out of the edge.
  • Coating weight: a heavier adhesive coating oozes more at the cut edge.

Root-Cause Principle

The die cuts through the face and adhesive, exposing the adhesive at the label edge. If the die squeezes the adhesive, or the finished roll is wound tightly and stored warm, the adhesive flows outward and appears as a sticky ooze around the edges. This makes labels stick together and jam on the applicator.

Solutions

Reduce die pressure
Set the kiss cut to cut cleanly without squeezing the adhesive.
Control temperature
Store and convert at controlled temperature to keep adhesive firm.
Lower rewind tension
A softer finished roll squeezes the adhesive less.
Choose firmer adhesive
Use a higher-viscosity adhesive for hot or tightly wound applications.
Check coating weight
Confirm the adhesive coating matches the label and application.

Adhesive Bleed Mechanism

Label adhesive bleed mechanism diagram
Pressure, temperature and tension squeeze soft adhesive out of the label edge.

Prevention Checklist

  • Keep die pressure at the kiss-cut point, not deeper
  • Store and convert labels at controlled temperature
  • Use taper tension so the roll is not too tight
  • Confirm adhesive coating and viscosity

FAQ

Why does adhesive ooze after die cutting?

Too much die pressure squeezes the soft adhesive, which then flows out past the cut edge.

Does temperature cause bleed?

Yes. Heat softens the adhesive so it flows more easily, especially in tightly wound rolls.

How does rewind tension affect bleed?

A tightly wound roll squeezes the adhesive out of the edges, while a softer roll reduces the pressure.

Can adhesive choice prevent bleed?

Yes. A firmer, higher-viscosity adhesive resists flow better for hot or tightly wound applications.

What information should I send before asking for help?

Send the adhesive type, coating weight, die pressure, storage temperature and rewind tension.

Ask an Engineer

Still getting adhesive bleed on your labels?

Send us your adhesive type, die pressure and rewind tension. MWELLPACK can help you stop the ooze.

Ask an Engineer Send Your Adhesive and Tension Data

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