Release Liner

Release liners are coated papers or films that carry sticky materials.

A very common everyday use are stickers and labels in the household: The shiny paper that carries the stickers is the release liner.

What is a release liner?

As stated, release liners are coated papers or films that carry sticky materials.

They have 2 key functions:

1. Serving as carriers
2. Protective covering for pressure-sensitive adhesive laminates.

That means they make sure that the self-adhesive substance doesn’t get damaged. This is crucial for a consistent label quality. Often, the terms are used interchangeably and release liners are referred to as carrier or backing.

However, release liners are a complex product.

When speaking of release liners, the base material, substrate base weight, substrate color, coating silicone technology, the thickness of the coating, release level, one-or two-side coating and performance criteria are crucial for the end-use. We will not dive into all of these in detail, but this gives you an overview of how the process of creating individual release liner products can look like.

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