28 February 2022

Monomeric, polymeric and cast – The differences in films

2022.02.28 - At Grafityp we produce three types of films, namely monomeric, polymeric and cast films. The choice for a certain type of film depends on a lot of factors, like the application and the desired life span. But what are the differences between these three qualities? We give you an explanation:

Monomeer, polymeer, cast - verschillen films

Different production methods

First of all, there is a difference in the production of the films. Monomeric and polymeric films are rolled films. This means that they are rolled or calendered to a certain thickness. A mixture of raw materials and pigments forms a PVC paste. This paste is rolled to the desired thickness and width. The film is put under tension and stretches.

The main difference between monomeric and polymeric films is in the plasticiser used. As the name suggests, the monomeric plasticiser has only one adhesion molecule. It is therefore less solid than the polymeric plasticiser. The latter is built up of a kind of chain of several molecules and ensures a more stable film that lasts longer.

Monomeric and polymeric films can shrink a little once they have been applied. The film always wants to return to its original shape. You can compare this with pizza dough that shrinks a little during baking.

PIzza dough gif

With cast films, the PVC is poured as a liquid paste onto a casting paper. This goes through a (long) oven, and after this process you have the cast film that is afterwards delaminated from its casting paper. Now the adhesive layer can be applied onto the film. The advantage? The films are shrink-resistant because they are not put under tension. Because they are thinner and more flexible, they can also be applied to three-dimensional substrates. In addition, cast films are resistant to chemical reactions (such as UV radiation from sunlight).

You can compare the production process of cast films with baking pancakes. The dough expands automatically when heated.

Pancake batter gif

In addition to PVC films, Grafityp offers an extensive range of durable non-PVC films.


So monomeric, polymeric and cast films differ in quality, but also in lifespan.
The monomeric film, for example, is suitable for a period of 2 to 5 years, while the polymeric film is suitable for a period of between 5 and 8 years. The cast film is the most dimensionally stable film on the market and can last up to 10 years.


Because of the differences in quality, you cannot use the films for every application. We would like to list the ideal applications for each film:


Monomeric films are mainly used for even and slightly curved indoor applications. They are mainly lettering films for (temporary) advertising campaigns. The application is always short-term.

monomeer, polymeer en cast - verschillen


Polymeric films are more stable and can be used for even and slightly curved surfaces. Both indoors and outdoors for long periods of time.

Monomeer, polymeer, gegoten films - verschillen

Cast films

Due to their dimensional stability, cast films are widely used for complex shapes such as 3D surfaces. Ideal for wrapping cars and vans. Suitable for both indoor and outdoor long-term applications. In addition, cast films have more and more often Air Escape Technology. A technique that ensures that no air bubbles are formed during adhesion. A good example of cast films is our new Omega Skinz collection.


Monomeer, polymeer en cast - Verschillen

Product finder

Now that you know the differences between the various types of film, you can start looking for the right film for you or your client. Need support? Use the product finder in our Grafityp app. In 6 clicks the app will suggest the ideal product.

Download the app here:
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Prefer to search via desktop? Use the product finder on our homepage.


We would like to give you an overview of all the differences in the films:


  • Production method: rolled or calendered
  • Lifespan: short (2 to 5 years)
  • Shrink resistance: < 1%
  • Application: even applications, indoors


  • Production method: rolled or calendered
  • Lifespan: longer (5 to 8 years)
  • Shrink resistance: < 0,4%
  • Application: long-term indoor and outdoor applications.
Monomeer, polymeer, gegoten films - verschillen


  • Production method: cast
  • Lifespan: long (up to 10 years)
  • Shrink resistance: < 0,25%
  • Application: suitable for application on complex 3D shapes, car wrapping, interior and exterior long-term applications.

Do you need support in choosing the right film? Let the Grafityp team guide you.