ALTANA Byko-Cut Universal Manual - Manual (Page 17)

16
English
Operation
6.3.1 How to measure adhesion
Tools Nr 4-5 for adhesion test have to be ordered
separately.
How to evaluate the adhesion according to
standards?
The
ASTM method D-3359 mentions
1 mm cutter for film up to 2 mils (50µm)
2 mm cutter for films between 2 – 5 mils (125µm)
The
DIN EN ISO 2409 prescribes that the numbers
of cuts shall be 6 and the cut in each direction must
be same according to the film thickness and the
kind of coating used as given as shown below:
0 - 60 µm
1 mm space for hard coating
0 - 60 µm 2 mm space for soft coating
61 - 120 µm 2 mm space for hard or soft coating
121 - 250 µm 3 mm space for hard or soft coating