Laufenberg GmbH | Krüserstraße 2 | 47839 Krefeld | Germany | www.laufenberg.info

Typical release values on PET fi lm. Direct comparison using 180°C at 1000 mm/min to peel off the liner from the Butyl. 24h storage at 40°C under 2 kg weight.

The following overview shows the testing of 4 different easy-release silicone systems on PET fi lm against different butyl rubbers from our customers.

Premium Standard 1 Standard 2 Standard 3

24h storage at 40°C under 2 kg weight, cooling down for 1 hour at room temperature.180°C at 1000 mm/min to peel off the liner from the Butyl.

We would be pleased to discuss your needs to fi nd the perfect liner solution for your application.

THE SOLUTION FOR YOUR ZIPPY RELEASE PROBLEMS!

PREMIUM RELEASE FOR BUTYL RUBBERS

Rel

ease

forc

e (c

N/2

0m

m)

Butyl 1 Butyl 2 Butyl 3 Butyl 4

40

35

30

25

20

15

10

5

0

Especially for applications using butyls we developed our premium release coating, suitable for PET and PP fi lms. This silicone coating shows an even and steady peel off, providing low release values.

Peel off values premium release

Peel off values standard release