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Filiform corrosion test in acc. with DIN EN ISO 4623-2/DIN EN 3665

This test is used to evaluate the protective effect of coatings on aluminium against filiform corrosion. For the test, scratches are made down to the substrate of a test specimen. After that, the test specimen is placed in a test chamber that is vaporised with hydrochloric acid for a certain period of time and under certain conditions. Alternatively, hypochloric acid can also be dripped onto the scratch. After 1,000 hours in a climate chamber with constant parameters, the resulting corrosion creep is evaluated.

Area of competence

Standards

  • DIN EN ISO 4623-2
  • DIN EN 3665

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Philip Malchow

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Arno Sterzinger


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Fax +49 7171 10407-50

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