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Gravel Bombardment Test according to DIN EN ISO 20567

EMCC supports you with tests around DIN EN ISO 20567!

DIN EN ISO 20567 describes a test method to simulate rockfall damage. This is done by single and / or multi-impact testing. This test, also known as the Gravel Bombardment Test, is mainly used in the automotive sector or in the rail sector, where vehicles are exposed to grit or gravel.

We support you in your tests and ensure reproducible results.

Technical specifications

  • Chamber size: 600 x 580 x 500 mm³ (l x b x h)
  • Pressure: 1 – 4 bar (100 – 400 kPa)
  • Gravel from 3 mm to 16 mm
  • Tests also possible on entire components
  • Tests acc. to ISO 20567
  • Tests acc. to ISO 16750-3
  • Tests acc. to  John-Deere standard JDQ 53.3
  • Tests acc. to Mercedes standard DBL_7399 Section 5.3.2 

Please contact us for more information >>>

Gravel Bombardment Test - Procedure

The stone chip resistance of the coating is tested by many small sharp-edged impactors. The bombardment material is defined chilled granulate, which is shot at a certain angle onto the coating with compressed air. The extent of the damage depends on the working pressure, the mass of the shelling material, the shelling time and the construction of the tester.


Multi Impact tester at EMCC
Multi impact tester acc. ISO 20567
Gravel from 3 mm to 16 mm
Gravel for testing acc. ISO 20567
Surface after a test acc. ISO 20567
After test run acc. ISO 20567

Current Seminars

2021-04-14 to 2021-04-16

  • EMC-Basics, Test and Measurement-Seminar for MIL and Avionic Standards

2021-04-15 to 2021-04-16

  • Test and Measurement-Seminar for MIL and Avionic Standards

2021-04-19 to 2021-04-21

  • EMC-Basics, HIRF/HERF – Electromagnetic Effects in Aircraft

2021-04-20 to 2021-04-21

  • HIRF/HERF – Electromagnetic Effects in Aircraft

2021-04-22 to 2021-04-23

  • Lightning Electromagnetic Effects on Aircraft

More information

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