White Papers


White Papers

Stone impact

The stone impact test is a standardised test method and is used to assess the behaviour of coatings under stress. This test is required by various vehicle manufacturer standards.

A coated test specimen is bombarded in rapid succession with a standardized hard cast granulate. The impactors are accelerated onto the specimen with compressed air within a selectable period of time with defined energy at a defined impact angle. The impact resistance is then assessed and evaluated.

Standards: DIN EN ISO 20567-1, FORD FLTM BI 157-06, RENAULT D24 1702, PSA D24 1312

[Translate to English:] Elektro-pneumatisch gesteuertes Multischlag-Prüfgerät mit 3/8"
[Translate to English:] Hartgussgranulat

Society for Materials Testing
Ensuring quality | Accompanying development | Analyzing damage | Passing on knowledge

GWP Gesellschaft für Werkstoffprüfung mbH
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85604 Zorneding/München

Tel. +49 8106 994110
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Handelsregister München
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Dr. Julius Nickl