Stone impact test in accordance with DIN EN ISO 20567-1 (multi-impact test)
We subject your surface to impact testing using angular iron grit under defined conditions and assess its resistance to stone chip damage using standardised reference images, which is particularly relevant for the automotive sector.
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Implementation in accordance with standards
A transparent test report
30 years’ experience in the sector

Stone-impact test
- Bombardment with angular iron splinters
- Assessment using standardised reference images
- In accordance with VW supply specifications, e.g. TL 211 and TL 256
DIN EN ISO 20567-1 MBN 10494-5
This test forms part of the following manufacturer and specification standards:
BMW
GS 94007
Daimler Buses
EVO 132.21
Liebherr
LH 11007172
Mercedes/Daimler
DBL 7381 DBL 7391 MBN 10494-5
Porsche
PTL 5580 PTL 7524
Volkswagen
TL 211 TL 227 TL 256 TL 260 TL 52451
The resistance of coatings to stone-chip damage is of particular interest to the automotive industry. To simulate stone chips, the surface is bombarded with a specified quantity of angular iron grit under defined conditions. Stone-chip resistance is assessed using standardised reference images.
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